grpc.io

AttributeValue
443.https.dhe.support
False
443.https.dhe_export.support
False
443.https.get.body
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.82.0"><meta name=ROBOTS content="INDEX, FOLLOW"><link rel="shortcut icon" href=/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon.png><link rel=icon type=image/png href=/favicons/android-chrome-192x192.png sizes=192x192><link rel=icon type=image/png href=/favicons/android-chrome-512x512.png s
framework that can run in any environment. It can efficiently connect services
in and across data centers with pluggable support for load balancing, tracing,
health checking and authentication. It is also applicable in last mile of
distributed computing to connect devices, mobile applications and browsers to
backend services.</p></section><p><section class=bg-gray-100><div class=c-features><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-1.svg alt="Simple service definition feature icon"><div><h3>Simple service definition</h3><p class=lead>Define your service using Protocol Buffers, a powerful binary serialization toolset and language</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-2.svg alt="Start
<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |
<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |
<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |
<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4
443.https.get.body_sha256
94bc8c6e87b0fb251623498b30e452e0eee3ce62cca1ffb1d00401f60bdc8ca8
443.https.get.headers.age
50573
443.https.get.headers.alt_svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
443.https.get.headers.cache_control
public, max-age=0, must-revalidate
443.https.get.headers.connection
keep-alive
443.https.get.headers.content_type
text/html; charset=UTF-8
443.https.get.headers.server
cloudflare
443.https.get.headers.strict_transport_security
max-age=31536000; includeSubDomains
443.https.get.headers.unknown
{u'value': u'DYNAMIC', u'key': u'cf_cache_status'}, {u'value': u'Fri, 14 May 2021 09:22:15 GMT', u'key': u'date'}, {u'value': u'64f30f9d0cef3f68-ORD', u'key': u'cf_ray'}, {u'value': u'34152106-14ef-4db6-a71e-9a1c4b0007af', u'key': u'x_nf_request_id'}, {u'value': u'max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"', u'key': u'expect_ct'}, {u'value': u'{"endpoints":[{"url":"https:\\/\\/a.nel.cloudflare.com\\/report?s=Mw1xL5%2Bxo5C1qDow0waeF8yaaH0%2BqWXU3zO9SKk
443.https.get.headers.vary
Accept-Encoding
443.https.get.headers.x_content_type_options
nosniff
443.https.get.metadata.description
cloudflare
443.https.get.metadata.product
cloudflare
443.https.get.status_code
200
443.https.get.status_line
200 OK
443.https.get.title
gRPC
443.https.heartbleed.heartbeat_enabled
False
443.https.heartbleed.heartbleed_vulnerable
False
443.https.rsa_export.support
False
443.https.tls.certificate.parsed.extensions.authority_info_access.issuer_urls
443.https.tls.certificate.parsed.extensions.authority_info_access.ocsp_urls
443.https.tls.certificate.parsed.extensions.authority_key_id
a5ce37eaebb0750e946788b445fad9241087961f
443.https.tls.certificate.parsed.extensions.basic_constraints.is_ca
False
443.https.tls.certificate.parsed.extensions.certificate_policies
{u'cps': [u'https://www.digicert.com/CPS'], u'id': u'2.16.840.1.114412.1.1'}, {u'id': u'2.23.140.1.2.2'}
443.https.tls.certificate.parsed.extensions.crl_distribution_points
443.https.tls.certificate.parsed.extensions.extended_key_usage.client_auth
True
443.https.tls.certificate.parsed.extensions.extended_key_usage.server_auth
True
443.https.tls.certificate.parsed.extensions.key_usage.digital_signature
True
443.https.tls.certificate.parsed.extensions.key_usage.value
1
443.https.tls.certificate.parsed.extensions.signed_certificate_timestamps
{u'log_id': u'9lyUL9F3MCIUVBgIMJRWjuNNExkzv98MLyALzE7xZOM=', u'timestamp': 1597541099, u'version': 0, u'signature': u'BAMARjBEAiBSgVTmKd3+HNNw1GncnaIymkaWObPq+2cWrPeFqi24vAIgJO2sgFMvnqUDKAgE8d7wMY/3NYmvO470EJCKwVmQa3M='}, {u'log_id': u'XNxDkv7mq0VEsV6a1FbmEDf71fpH3KFzlLJe5vbHDso=', u'timestamp': 1597541099, u'version': 0, u'signature': u'BAMASDBGAiEAl3dQH/H3iP6bcqB+I7WLwTSEa/4E+1vwNNwC505whaoCIQC6AqIEDYtYGQPZQHs0WlA654VQxC7qSIQKhWJG5Yt5UA=='}
443.https.tls.certificate.parsed.extensions.subject_alt_name.dns_names
*.grpc.io, grpc.io, sni.cloudflaressl.com
443.https.tls.certificate.parsed.extensions.subject_key_id
8700c38f1024774ec64660f8c3b98fab7eb0ecd8
443.https.tls.certificate.parsed.fingerprint_md5
c898d8b9e8578cd54b18752341504917
443.https.tls.certificate.parsed.fingerprint_sha1
a2b595a5e1f9c65065236de34510e629e6adf007
443.https.tls.certificate.parsed.fingerprint_sha256
b2b3e558e15eda3b6b8a8d16cc4e7227a9a5a5c67c8ba839e9b2eba377f3c24d
443.https.tls.certificate.parsed.issuer.common_name
Cloudflare Inc ECC CA-3
443.https.tls.certificate.parsed.issuer.country
US
443.https.tls.certificate.parsed.issuer.organization
Cloudflare, Inc.
443.https.tls.certificate.parsed.issuer_dn
C=US, O=Cloudflare, Inc., CN=Cloudflare Inc ECC CA-3
443.https.tls.certificate.parsed.names
sni.cloudflaressl.com, *.grpc.io, grpc.io
443.https.tls.certificate.parsed.redacted
False
443.https.tls.certificate.parsed.serial_number
14741515968042599109110008765049678466
443.https.tls.certificate.parsed.signature.self_signed
False
443.https.tls.certificate.parsed.signature.signature_algorithm.name
ECDSAWithSHA256
443.https.tls.certificate.parsed.signature.signature_algorithm.oid
1.2.840.10045.4.3.2
443.https.tls.certificate.parsed.signature.valid
True
443.https.tls.certificate.parsed.signature.value
MEYCIQDd3JH5hd14tKBDE6RNED82PzpPI8U2hMBIkb2cs5s8VwIhAPdYMLKZioULmCwb/3qP0tRJu/wGEdNyJFLGnpnGbDWv
443.https.tls.certificate.parsed.signature_algorithm.name
ECDSAWithSHA256
443.https.tls.certificate.parsed.signature_algorithm.oid
1.2.840.10045.4.3.2
443.https.tls.certificate.parsed.spki_subject_fingerprint
7220a1a0604a1851646ac37907582fb5292770dd42fc9f99172b6427cd10a37b
443.https.tls.certificate.parsed.subject.common_name
sni.cloudflaressl.com
443.https.tls.certificate.parsed.subject.country
US
443.https.tls.certificate.parsed.subject.locality
San Francisco
443.https.tls.certificate.parsed.subject.organization
Cloudflare, Inc.
443.https.tls.certificate.parsed.subject.province
CA
443.https.tls.certificate.parsed.subject_dn
C=US, ST=CA, L=San Francisco, O=Cloudflare, Inc., CN=sni.cloudflaressl.com
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.b
WsY12Ko6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEs=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.curve
P-256
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.gx
axfR8uEsQkf4vOblY6RA8ncDfYEt6zOg9KE5RdiYwpY=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.gy
T+NC4v4af5uO5+tKfA+eFivOM1drMV7Oy7ZAaDe/UfU=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.length
256
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.n
/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVE=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.p
/////wAAAAEAAAAAAAAAAAAAAAD///////////////8=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.pub
BEuG8EmDhgtXpcDF+RacVO1ulXVjaezHba21cfzxTZ8teA40+F5HYmPlodtd3hRsCB8eXvML79Iy/o4Mp3ljzC4=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.x
S4bwSYOGC1elwMX5FpxU7W6VdWNp7MdtrbVx/PFNny0=
443.https.tls.certificate.parsed.subject_key_info.ecdsa_public_key.y
eA40+F5HYmPlodtd3hRsCB8eXvML79Iy/o4Mp3ljzC4=
443.https.tls.certificate.parsed.subject_key_info.fingerprint_sha256
93ede545ff6019f42ba94750bb5909f9a05e3107607455f3bc79b6accb5b32a0
443.https.tls.certificate.parsed.subject_key_info.key_algorithm.name
ECDSA
443.https.tls.certificate.parsed.tbs_fingerprint
ad7b857c59b6fa2084e43e9520a30e56a9d95b307a88af1ed3d14545045bc4ce
443.https.tls.certificate.parsed.tbs_noct_fingerprint
85d104ebbfc3fa67feb5b368afe73bee0ef8d710b98de5668a48455fb3e4ea7f
443.https.tls.certificate.parsed.validation_level
OV
443.https.tls.certificate.parsed.validity.end
2021-08-16T12:00:00Z
443.https.tls.certificate.parsed.validity.length
31579200
443.https.tls.certificate.parsed.validity.start
2020-08-16T00:00:00Z
443.https.tls.certificate.parsed.version
3
443.https.tls.chain
443.https.tls.cipher_suite.id
0xC02B
443.https.tls.cipher_suite.name
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
443.https.tls.ocsp_stapling
True
443.https.tls.server_key_exchange.ecdh_params.curve_id.id
23
443.https.tls.server_key_exchange.ecdh_params.curve_id.name
secp256r1
443.https.tls.session_ticket.length
176
443.https.tls.session_ticket.lifetime_hint
64800
443.https.tls.signature.hash_algorithm
sha256
443.https.tls.signature.signature_algorithm
ecdsa
443.https.tls.signature.valid
True
443.https.tls.validation.browser_trusted
True
443.https.tls.validation.matches_domain
True
443.https.tls.version
TLSv1.2
443.https_www.tls.certificate.parsed.extensions.authority_info_access.issuer_urls
443.https_www.tls.certificate.parsed.extensions.authority_info_access.ocsp_urls
443.https_www.tls.certificate.parsed.extensions.authority_key_id
a5ce37eaebb0750e946788b445fad9241087961f
443.https_www.tls.certificate.parsed.extensions.basic_constraints.is_ca
False
443.https_www.tls.certificate.parsed.extensions.certificate_policies
{u'cps': [u'https://www.digicert.com/CPS'], u'id': u'2.16.840.1.114412.1.1'}, {u'id': u'2.23.140.1.2.2'}
443.https_www.tls.certificate.parsed.extensions.crl_distribution_points
443.https_www.tls.certificate.parsed.extensions.extended_key_usage.client_auth
True
443.https_www.tls.certificate.parsed.extensions.extended_key_usage.server_auth
True
443.https_www.tls.certificate.parsed.extensions.key_usage.digital_signature
True
443.https_www.tls.certificate.parsed.extensions.key_usage.value
1
443.https_www.tls.certificate.parsed.extensions.signed_certificate_timestamps
{u'log_id': u'9lyUL9F3MCIUVBgIMJRWjuNNExkzv98MLyALzE7xZOM=', u'timestamp': 1597541099, u'version': 0, u'signature': u'BAMARjBEAiBSgVTmKd3+HNNw1GncnaIymkaWObPq+2cWrPeFqi24vAIgJO2sgFMvnqUDKAgE8d7wMY/3NYmvO470EJCKwVmQa3M='}, {u'log_id': u'XNxDkv7mq0VEsV6a1FbmEDf71fpH3KFzlLJe5vbHDso=', u'timestamp': 1597541099, u'version': 0, u'signature': u'BAMASDBGAiEAl3dQH/H3iP6bcqB+I7WLwTSEa/4E+1vwNNwC505whaoCIQC6AqIEDYtYGQPZQHs0WlA654VQxC7qSIQKhWJG5Yt5UA=='}
443.https_www.tls.certificate.parsed.extensions.subject_alt_name.dns_names
*.grpc.io, grpc.io, sni.cloudflaressl.com
443.https_www.tls.certificate.parsed.extensions.subject_key_id
8700c38f1024774ec64660f8c3b98fab7eb0ecd8
443.https_www.tls.certificate.parsed.fingerprint_md5
c898d8b9e8578cd54b18752341504917
443.https_www.tls.certificate.parsed.fingerprint_sha1
a2b595a5e1f9c65065236de34510e629e6adf007
443.https_www.tls.certificate.parsed.fingerprint_sha256
b2b3e558e15eda3b6b8a8d16cc4e7227a9a5a5c67c8ba839e9b2eba377f3c24d
443.https_www.tls.certificate.parsed.issuer.common_name
Cloudflare Inc ECC CA-3
443.https_www.tls.certificate.parsed.issuer.country
US
443.https_www.tls.certificate.parsed.issuer.organization
Cloudflare, Inc.
443.https_www.tls.certificate.parsed.issuer_dn
C=US, O=Cloudflare, Inc., CN=Cloudflare Inc ECC CA-3
443.https_www.tls.certificate.parsed.names
grpc.io, sni.cloudflaressl.com, *.grpc.io
443.https_www.tls.certificate.parsed.redacted
False
443.https_www.tls.certificate.parsed.serial_number
14741515968042599109110008765049678466
443.https_www.tls.certificate.parsed.signature.self_signed
False
443.https_www.tls.certificate.parsed.signature.signature_algorithm.name
ECDSAWithSHA256
443.https_www.tls.certificate.parsed.signature.signature_algorithm.oid
1.2.840.10045.4.3.2
443.https_www.tls.certificate.parsed.signature.valid
True
443.https_www.tls.certificate.parsed.signature.value
MEYCIQDd3JH5hd14tKBDE6RNED82PzpPI8U2hMBIkb2cs5s8VwIhAPdYMLKZioULmCwb/3qP0tRJu/wGEdNyJFLGnpnGbDWv
443.https_www.tls.certificate.parsed.signature_algorithm.name
ECDSAWithSHA256
443.https_www.tls.certificate.parsed.signature_algorithm.oid
1.2.840.10045.4.3.2
443.https_www.tls.certificate.parsed.spki_subject_fingerprint
7220a1a0604a1851646ac37907582fb5292770dd42fc9f99172b6427cd10a37b
443.https_www.tls.certificate.parsed.subject.common_name
sni.cloudflaressl.com
443.https_www.tls.certificate.parsed.subject.country
US
443.https_www.tls.certificate.parsed.subject.locality
San Francisco
443.https_www.tls.certificate.parsed.subject.organization
Cloudflare, Inc.
443.https_www.tls.certificate.parsed.subject.province
CA
443.https_www.tls.certificate.parsed.subject_dn
C=US, ST=CA, L=San Francisco, O=Cloudflare, Inc., CN=sni.cloudflaressl.com
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.b
WsY12Ko6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEs=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.curve
P-256
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.gx
axfR8uEsQkf4vOblY6RA8ncDfYEt6zOg9KE5RdiYwpY=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.gy
T+NC4v4af5uO5+tKfA+eFivOM1drMV7Oy7ZAaDe/UfU=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.length
256
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.n
/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVE=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.p
/////wAAAAEAAAAAAAAAAAAAAAD///////////////8=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.pub
BEuG8EmDhgtXpcDF+RacVO1ulXVjaezHba21cfzxTZ8teA40+F5HYmPlodtd3hRsCB8eXvML79Iy/o4Mp3ljzC4=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.x
S4bwSYOGC1elwMX5FpxU7W6VdWNp7MdtrbVx/PFNny0=
443.https_www.tls.certificate.parsed.subject_key_info.ecdsa_public_key.y
eA40+F5HYmPlodtd3hRsCB8eXvML79Iy/o4Mp3ljzC4=
443.https_www.tls.certificate.parsed.subject_key_info.fingerprint_sha256
93ede545ff6019f42ba94750bb5909f9a05e3107607455f3bc79b6accb5b32a0
443.https_www.tls.certificate.parsed.subject_key_info.key_algorithm.name
ECDSA
443.https_www.tls.certificate.parsed.tbs_fingerprint
ad7b857c59b6fa2084e43e9520a30e56a9d95b307a88af1ed3d14545045bc4ce
443.https_www.tls.certificate.parsed.tbs_noct_fingerprint
85d104ebbfc3fa67feb5b368afe73bee0ef8d710b98de5668a48455fb3e4ea7f
443.https_www.tls.certificate.parsed.validation_level
OV
443.https_www.tls.certificate.parsed.validity.end
2021-08-16T12:00:00Z
443.https_www.tls.certificate.parsed.validity.length
31579200
443.https_www.tls.certificate.parsed.validity.start
2020-08-16T00:00:00Z
443.https_www.tls.certificate.parsed.version
3
443.https_www.tls.chain
443.https_www.tls.cipher_suite.id
0xC02B
443.https_www.tls.cipher_suite.name
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
443.https_www.tls.ocsp_stapling
True
443.https_www.tls.server_key_exchange.ecdh_params.curve_id.id
23
443.https_www.tls.server_key_exchange.ecdh_params.curve_id.name
secp256r1
443.https_www.tls.session_ticket.length
176
443.https_www.tls.session_ticket.lifetime_hint
64800
443.https_www.tls.signature.hash_algorithm
sha256
443.https_www.tls.signature.signature_algorithm
ecdsa
443.https_www.tls.signature.valid
True
443.https_www.tls.validation.browser_trusted
True
443.https_www.tls.validation.matches_domain
True
443.https_www.tls.version
TLSv1.2
80.http.get.body
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.82.0"><meta name=ROBOTS content="INDEX, FOLLOW"><link rel="shortcut icon" href=/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon.png><link rel=icon type=image/png href=/favicons/android-chrome-192x192.png sizes=192x192><link rel=icon type=image/png href=/favicons/android-chrome-512x512.png s
framework that can run in any environment. It can efficiently connect services
in and across data centers with pluggable support for load balancing, tracing,
health checking and authentication. It is also applicable in last mile of
distributed computing to connect devices, mobile applications and browsers to
backend services.</p></section><p><section class=bg-gray-100><div class=c-features><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-1.svg alt="Simple service definition feature icon"><div><h3>Simple service definition</h3><p class=lead>Define your service using Protocol Buffers, a powerful binary serialization toolset and language</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-2.svg alt="Start
<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |
<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |
<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |
<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4
80.http.get.body_sha256
94bc8c6e87b0fb251623498b30e452e0eee3ce62cca1ffb1d00401f60bdc8ca8
80.http.get.headers.age
71924
80.http.get.headers.alt_svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
80.http.get.headers.cache_control
public, max-age=0, must-revalidate
80.http.get.headers.connection
keep-alive
80.http.get.headers.content_type
text/html; charset=UTF-8
80.http.get.headers.server
cloudflare
80.http.get.headers.strict_transport_security
max-age=31536000; includeSubDomains
80.http.get.headers.unknown
{u'value': u'{"report_to":"cf-nel","max_age":604800}', u'key': u'nel'}, {u'value': u'DYNAMIC', u'key': u'cf_cache_status'}, {u'value': u'max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"', u'key': u'expect_ct'}, {u'value': u'{"endpoints":[{"url":"https:\\/\\/a.nel.cloudflare.com\\/report?s=mXuF4gulMzDYDl3dKg3ZLNPQABMK47vSV3VNeMxeWQZLhJChnpQ76bdV3p2EZKRYHP92IPsFt76le2%2FLisyEqMEJr3BqULlB"}],"group":"cf-nel","max_age":604800}', u'key': u'report_to'}, {u'value'
80.http.get.headers.vary
Accept-Encoding
80.http.get.headers.x_content_type_options
nosniff
80.http.get.metadata.description
cloudflare
80.http.get.metadata.product
cloudflare
80.http.get.status_code
200
80.http.get.status_line
200 OK
80.http.get.title
gRPC
80.http_www.get.body
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.82.0"><meta name=ROBOTS content="INDEX, FOLLOW"><link rel="shortcut icon" href=/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon.png><link rel=icon type=image/png href=/favicons/android-chrome-192x192.png sizes=192x192><link rel=icon type=image/png href=/favicons/android-chrome-512x512.png s
framework that can run in any environment. It can efficiently connect services
in and across data centers with pluggable support for load balancing, tracing,
health checking and authentication. It is also applicable in last mile of
distributed computing to connect devices, mobile applications and browsers to
backend services.</p></section><p><section class=bg-gray-100><div class=c-features><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-1.svg alt="Simple service definition feature icon"><div><h3>Simple service definition</h3><p class=lead>Define your service using Protocol Buffers, a powerful binary serialization toolset and language</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-2.svg alt="Start
<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |
<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |
<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |
<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4
80.http_www.get.body_sha256
94bc8c6e87b0fb251623498b30e452e0eee3ce62cca1ffb1d00401f60bdc8ca8
80.http_www.get.headers.age
80862
80.http_www.get.headers.alt_svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
80.http_www.get.headers.cache_control
public, max-age=0, must-revalidate
80.http_www.get.headers.connection
keep-alive
80.http_www.get.headers.content_type
text/html; charset=UTF-8
80.http_www.get.headers.server
cloudflare
80.http_www.get.headers.strict_transport_security
max-age=31536000; includeSubDomains
80.http_www.get.headers.unknown
{u'value': u'Mon, 17 May 2021 13:42:02 GMT', u'key': u'date'}, {u'value': u'DYNAMIC', u'key': u'cf_cache_status'}, {u'value': u'max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"', u'key': u'expect_ct'}, {u'value': u'493bed21-a152-4e22-bb33-7aa27c8a952f', u'key': u'x_nf_request_id'}, {u'value': u'0a1c28ffeb00009dc55c0cf000000001', u'key': u'cf_request_id'}, {u'value': u'{"endpoints":[{"url":"https:\\/\\/a.nel.cloudflare.com\\/report?s=mvk6arww2pvjTkRe3eva9G3C
80.http_www.get.headers.vary
Accept-Encoding
80.http_www.get.headers.x_content_type_options
nosniff
80.http_www.get.status_code
200
80.http_www.get.status_line
200 OK
80.http_www.get.title
gRPC
alexa_rank
359051
domain
grpc.io
ports
80, 443
protocols
443/https_www, 443/https, 80/http_www, 80/http
tags
http, https
updated_at
2021-05-18T00:27:25+00:00

HTTP Body


<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.82.0"><meta name=ROBOTS content="INDEX, FOLLOW"><link rel="shortcut icon" href=/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon.png><link rel=icon type=image/png href=/favicons/android-chrome-192x192.png sizes=192x192><link rel=icon type=image/png href=/favicons/android-chrome-512x512.png sizes=512x512><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=manifest href=/favicons/site.webmanifest><title>gRPC</title><meta property="og:title" content><meta property="og:description" content="A high-performance, open source universal RPC framework"><meta property="og:type" content="website"><meta property="og:url" content="https://grpc.io/"><meta property="og:site_name" content="gRPC"><meta itemprop=name content><meta itemprop=description content="A high-performance, open source universal RPC framework"><meta name=twitter:card content="summary"><meta name=twitter:title content><meta name=twitter:description content="A high-performance, open source universal RPC framework"><link rel=preload href=/css/style.min.dd3f7ab3772fdd7a4f8274f13c080cc8d556aa86777f71b472b0341875b6c39d.css as=style><link href=/css/style.min.dd3f7ab3772fdd7a4f8274f13c080cc8d556aa86777f71b472b0341875b6c39d.css rel=stylesheet integrity><script src=https://code.jquery.com/jquery-3.5.1.min.js integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin=anonymous></script><script async src="https://www.googletagmanager.com/gtag/js?id=UA-163836834-2"></script><script>window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}gtag('js',new Date),gtag('config','UA-163836834-2'),gtag('config','UA-60127042-1')</script><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><link rel=alternate type=application/rss+xml href=https://grpc.io/ title=gRPC><link rel=canonical href=https://grpc.io/><meta name=twitter:card content="summary"><meta name=twitter:site content="@grpcio"><meta name=twitter:creator content="@grpcio"><meta name=twitter:image content="https://grpc.io/img/logos/grpc-icon-color.png"><meta name=twitter:image:alt content="gRPC color logo"><meta property="og:url" content="https://grpc.io/"><meta property="og:title" content="gRPC"><meta property="og:description" content="A high-performance, open source universal RPC framework"><meta property="og:type" content="website"><meta property="og:site_name" content="gRPC"><meta property="og:image" content="https://grpc.io/img/logos/grpc-icon-color.png"><meta property="og:image:type" content="image/png"><meta property="og:image:alt" content="gRPC color logo"><meta property="og:locale" content="en_US"><link rel="shortcut icon" href=/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon.png><link rel=icon type=image/png href=/favicons/android-chrome-192x192.png sizes=192x192><link rel=icon type=image/png href=/favicons/android-chrome-512x512.png sizes=512x512><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=manifest href=/favicons/site.webmanifest></head><body class=td-home><header><nav class="js-navbar-scroll navbar navbar-expand navbar-dark td-navbar-cover flex-column flex-md-row td-navbar"><a class=navbar-brand href=/><span class=navbar-logo><svg id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 288 122.3333"><style>.st0{fill:#fff}.st2,.st3{clip-path:url(#SVGID_2_);fill:#73cbcb}.st3{fill:#72cbca}.st5,.st57,.st59,.st63,.st8{clip-path:url(#SVGID_2_);fill:#70caca}.st57,.st59,.st63,.st8{fill:#6dc9c9}.st57,.st59,.st63{fill:#00b5b2}.st59,.st63{fill:#00b3b0}.st63{fill:#00b0ad}.st120,.st121,.st70{clip-path:url(#SVGID_4_);fill:#6fcac9}.st120,.st121{fill:#00bab8}.st121{fill:#00b9b7}.st123,.st126,.st128,.st129{clip-path:url(#SVGID_4_);fill:#00b8b6}.st126,.st128,.st129{fill:#00b7b4}.st128,.st129{fill:#00b6b3}.st129{fill:#00b5b2}</style><path class="st0" d="M33.8581 102.699c2.0254 2.7248 4.6635 4.9082 7.9122 6.5503 3.2493 1.641 6.865 2.4626 10.8474 2.4626 3.493.0 6.462-.5075 8.9083-1.5194 2.4451-1.014 4.4181-2.3939 5.9212-4.1396 1.502-1.7478 2.5842-3.7906 3.2492-6.1316.663-2.341.9955-4.8385.9955-7.4924v-8.8036h-.2093c-2.2369 3.353-4.9622 5.7298-8.175 7.1266-3.2143 1.3978-6.6026 2.0957-10.166 2.0957-3.5632.0-6.9002-.6291-10.0083-1.8863-3.1103-1.2583-5.8171-2.987-8.1227-5.1874-2.3055-2.2014-4.1231-4.8374-5.4496-7.9133-1.328-3.0737-1.9915-6.3928-1.9915-9.956s.6291-6.8813 1.8868-9.9567c1.2572-3.0737 2.9865-5.7641 5.1874-8.0697 2.201-2.3056 4.821-4.1036 7.8604-5.3973 3.0394-1.292 6.3754-1.9392 10.009-1.9392 1.467.0 3.0214.1412 4.6634.4193 1.641.2802 3.2837.7697 4.9257 1.4676 1.641.6989 3.2657 1.66 4.8734 2.8818 1.6066 1.2234 3.108 2.7772 4.507 4.664h.2093v-8.175h6.9173V92.429c0 2.654-.3326 5.4834-.996 8.4884-.6646 3.003-1.9567 5.7648-3.8774 8.2791-1.9228 2.5155-4.5953 4.6122-8.0174 6.2892C62.2941 117.1616 57.8221 118 52.3032 118c-4.8914.0-9.2588-.8036-13.1001-2.4097-3.8435-1.6083-7.3365-4.0878-10.4806-7.4417l5.1356-5.4496zm1.2572-35.0038c0 2.5852.4716 5.014 1.4153 7.283.9432 2.2713 2.2352 4.2633 3.8773 5.9741 1.641 1.713 3.5633 3.0759 5.7642 4.0878 2.2009 1.013 4.5937 1.5194 7.1795 1.5194 2.5149.0 4.9077-.4536 7.1789-1.363 2.2696-.9071 4.2791-2.1823 6.0259-3.8244 1.7456-1.641 3.0917-3.6162 4.0354-5.9223.9431-2.305 1.3787-4.8892 1.31-7.7546.0-2.5847-.4192-5.013-1.2577-7.2841-.8385-2.2697-2.0619-4.2612-3.6685-5.9741-1.6077-1.7113-3.5633-3.0737-5.8689-4.0872-2.3055-1.012-4.8913-1.5194-7.7551-1.5194-2.5858.0-4.9786.5075-7.1795 1.5194-2.2009 1.0135-4.1232 2.3759-5.7642 4.0872-1.642 1.713-2.9341 3.7044-3.8773 5.974-.9437 2.2713-1.4153 4.6995-1.4153 7.2842zm71.6851 25.1524h-7.5458v-74.201h22.8468c7.5458.0 13.502 1.6425 17.8693 4.9256 4.3659 3.2852 6.5504 8.2453 6.5504 14.8823.0 5.1715-1.6246 9.521-4.8734 13.0483-3.2492 3.529-7.9487 5.5723-14.0961 6.1306l21.3803 35.2142h-9.2234l-20.3319-34.4804h-12.5762v34.4804zm0-41.3976h13.4147c3.354.0 6.1998-.3484 8.5413-1.0479 2.3405-.6973 4.2088-1.6246 5.6072-2.7771 1.3968-1.153 2.4108-2.5155 3.0394-4.0872.6286-1.5723.9431-3.2657.9431-5.0833.0-1.7457-.3145-3.4063-.9431-4.978-.6286-1.5723-1.6426-2.9511-3.0394-4.1401-1.3984-1.1869-3.2667-2.112-5.6072-2.7771-2.3415-.663-5.1874-.9955-8.5413-.9955h-13.4147V51.45zm55.1253-32.8035h21.5902c7.5453.0 13.5014 1.6426 17.8683 4.9257 4.3658 3.2852 6.5503 8.2453 6.5503 14.8823.0 6.6386-2.1845 11.6167-6.5503 14.9347-4.367 3.319-10.323 4.978-17.8683 4.978H169.472v34.4804h-7.5464v-74.201zm7.5464 32.8035h12.1574c3.353.0 6.1993-.3484 8.5414-1.0479 2.3399-.6973 4.2083-1.6246 5.6071-2.7771 1.3968-1.153 2.4098-2.5155 3.0389-4.0872.6291-1.5723.9432-3.2657.9432-5.0833.0-1.7457-.314-3.4063-.9432-4.978-.6291-1.5723-1.6421-2.9511-3.0389-4.1401-1.3988-1.1869-3.2672-2.112-5.6071-2.7771-2.342-.663-5.1885-.9955-8.5414-.9955h-12.1574V51.45zM283.7057 81.1099c-1.2572 1.8863-2.8125 3.668-4.663 5.345-1.8524 1.6769-3.966 3.1276-6.3409 4.3488-2.3759 1.2234-4.9442 2.1835-7.7028 2.8824-2.7608.6978-5.678 1.0478-8.7518 1.0478-5.5194.0-10.637-.979-15.3528-2.9341-4.7169-1.9551-8.8035-4.664-12.2622-8.1227-3.4586-3.4586-6.1675-7.5622-8.1226-12.314-1.9572-4.7506-2.9341-9.9565-2.9341-15.616s.977-10.8633 2.9341-15.6156c1.955-4.7507 4.664-8.856 8.1226-12.3145s7.5453-6.1655 12.2622-8.1221c4.7158-1.9556 9.8334-2.9347 15.3528-2.9347 4.6122.0 9.2234.9088 13.8345 2.7248 4.6111 1.8176 8.5582 4.821 11.8424 9.0134l-6.6022 4.9257c-.7697-1.1874-1.8176-2.3748-3.1445-3.5633-1.328-1.1874-2.8475-2.2352-4.5583-3.144-1.713-.9072-3.5474-1.641-5.5025-2.2009-1.9571-.5588-3.9133-.8385-5.8694-.8385-4.7517.0-9.0129.8745-12.7855 2.6202-3.7727 1.7472-6.969 4.0872-9.5892 7.0213-2.6201 2.9347-4.6302 6.341-6.027 10.2189-1.3978 3.8773-2.0956 7.9486-2.0956 12.2093.0 4.2627.6978 8.332 2.0957 12.2093 1.3967 3.8783 3.4068 7.284 6.0269 10.2183 2.6201 2.9352 5.8165 5.2762 9.5892 7.0219 3.7726 1.7478 8.0338 2.62 12.7855 2.62 1.9561.0 3.8943-.1733 5.8166-.5233 1.9212-.349 3.8075-.9432 5.66-1.7816 1.8504-.8385 3.597-1.9741 5.2402-3.4068 1.641-1.4307 3.1605-3.2303 4.5583-5.3968l6.1834 4.4018z"/><defs><path id="SVGID_1_" transform="rotate(-135.2127 22.2272 23.47)" d="M8.4598 9.7025h27.535v27.535H8.4598z"/></defs><clipPath id="SVGID_2_"><use xlink:href="#SVGID_1_" overflow="visible"/></clipPath><path clip-path="url(#SVGID_2_)" fill="#74cbcb" d="M3.1017 4l-.3445 3.0493V4z"/><path class="st2" d="M3.557 4l-.7998 7.078V7.0493L3.1017 4z"/><path class="st2" d="M4.0122 4l-1.255 11.1067V11.078L3.557 4z"/><path class="st3" d="M4.4674 4 2.7572 19.1354v-4.0287L4.0122 4z"/><path class="st3" d="M4.9226 4 2.7572 23.1641v-4.0287L4.4674 4z"/><path clip-path="url(#SVGID_2_)" fill="#71caca" d="M5.3778 4 2.7572 27.1928v-4.0287L4.9226 4z"/><path class="st5" d="M5.833 4 2.7572 31.2216v-4.0288L5.3778 4z"/><path class="st5" d="M6.2882 4l-3.531 31.2503v-4.0287L5.833 4z"/><path clip-path="url(#SVGID_2_)" fill="#6fcac9" d="M6.7434 4 2.7572 39.279v-4.0287L6.2882 4z"/><path clip-path="url(#SVGID_2_)" fill="#6ecac9" d="M7.1986 4 2.8014 42.9162l-.0442-.005V39.279L6.7434 4z"/><path class="st8" d="M7.6538 4 3.2539 42.94h-.2414l-.211-.0238L7.1985 4z"/><path class="st8" d="M8.109 4 3.7092 42.94h-.4553L7.6538 4z"/><path clip-path="url(#SVGID_2_)" fill="#6cc9c8" d="M8.5642 4 4.1644 42.94h-.4552L8.109 4z"/><path clip-path="url(#SVGID_2_)" fill="#6bc9c8" d="M9.0194 4 4.6196 42.94h-.4552L8.5642 4z"/><path clip-path="url(#SVGID_2_)" fill="#6ac9c8" d="M9.4746 4 5.0748 42.94h-.4552L9.0194 4z"/><path clip-path="url(#SVGID_2_)" fill="#69c8c8" d="M9.9298 4 5.53 42.94h-.4552L9.4746 4z"/><path clip-path="url(#SVGID_2_)" fill="#68c8c7" d="M10.385 4 5.9852 42.94H5.53L9.9298 4z"/><path clip-path="url(#SVGID_2_)" fill="#67c8c7" d="M10.8402 4 6.4404 42.94h-.4552L10.385 4z"/><path clip-path="url(#SVGID_2_)" fill="#66c7c7" d="M11.2954 4 6.8956 42.94h-.4552L10.8402 4z"/><path clip-path="url(#SVGID_2_)" fill="#65c7c6" d="M11.7506 4 7.3508 42.94h-.4552L11.2954 4z"/><path clip-path="url(#SVGID_2_)" fill="#64c7c6" d="M12.2059 4 7.806 42.94h-.4552L11.7506 4z"/><path clip-path="url(#SVGID_2_)" fill="#62c7c6" d="M12.661 4 8.2613 42.94H7.806L12.2059 4z"/><path clip-path="url(#SVGID_2_)" fill="#61c6c6" d="M13.1163 4 8.7164 42.94h-.4552L12.6611 4z"/><path clip-path="url(#SVGID_2_)" fill="#60c6c5" d="M13.5715 4 9.1716 42.94h-.4552L13.1163 4z"/><path clip-path="url(#SVGID_2_)" fill="#5ec6c5" d="M14.0267 4 9.6268 42.94h-.4552L13.5715 4z"/><path clip-path="url(#SVGID_2_)" fill="#5dc5c5" d="M14.4819 4 10.082 42.94h-.4552L14.0267 4z"/><path clip-path="url(#SVGID_2_)" fill="#5bc5c4" d="M14.937 4l-4.3998 38.94h-.4552L14.482 4z"/><path clip-path="url(#SVGID_2_)" fill="#5ac5c4" d="M15.3923 4l-4.3999 38.94h-.4552L14.9371 4z"/><path clip-path="url(#SVGID_2_)" fill="#58c4c3" d="M15.8475 4l-4.3999 38.94h-.4552L15.3923 4z"/><path clip-path="url(#SVGID_2_)" fill="#57c4c3" d="M16.3027 4l-4.3998 38.94h-.4553L15.8475 4z"/><path clip-path="url(#SVGID_2_)" fill="#55c4c3" d="M16.758 4l-4.4 38.94h-.4551L16.3027 4z"/><path clip-path="url(#SVGID_2_)" fill="#53c3c2" d="M17.2131 4l-4.3998 38.94h-.4552L16.7579 4z"/><path clip-path="url(#SVGID_2_)" fill="#51c3c2" d="M17.6683 4l-4.3998 38.94h-.4552L17.213 4z"/><path clip-path="url(#SVGID_2_)" fill="#4fc3c1" d="M18.1235 4l-4.3998 38.94h-.4552L17.6683 4z"/><path clip-path="url(#SVGID_2_)" fill="#4dc2c1" d="M18.5787 4 14.179 42.94h-.4552L18.1235 4z"/><path clip-path="url(#SVGID_2_)" fill="#4bc2c0" d="M19.034 4l-4.4 38.94h-.4551L18.5787 4z"/><path clip-path="url(#SVGID_2_)" fill="#49c1c0" d="M19.4891 4l-4.3998 38.94h-.4552L19.0339 4z"/><path clip-path="url(#SVGID_2_)" fill="#46c1c0" d="M19.9443 4l-4.3998 38.94h-.4552L19.489 4z"/><path clip-path="url(#SVGID_2_)" fill="#44c0bf" d="M20.3996 4l-4.3999 38.94h-.4552L19.9443 4z"/><path clip-path="url(#SVGID_2_)" fill="#41c0bf" d="M20.8548 4l-4.3999 38.94h-.4552L20.3996 4z"/><path clip-path="url(#SVGID_2_)" fill="#3ec0be" d="M21.31 4l-4.4 38.94h-.4552L20.8548 4z"/><path clip-path="url(#SVGID_2_)" fill="#3bbfbe" d="M21.7652 4l-4.3999 38.94h-.4552L21.31 4z"/><path clip-path="url(#SVGID_2_)" fill="#38bfbd" d="M22.2204 4l-4.3999 38.94h-.4552L21.7652 4z"/><path clip-path="url(#SVGID_2_)" fill="#34bebd" d="M22.6756 4l-4.3999 38.94h-.4552L22.2204 4z"/><path clip-path="url(#SVGID_2_)" fill="#30bebc" d="M23.1308 4l-4.3999 38.94h-.4552L22.6756 4z"/><path clip-path="url(#SVGID_2_)" fill="#2cbdbb" d="M23.586 4l-4.4 38.94h-.4552L23.1308 4z"/><path clip-path="url(#SVGID_2_)" fill="#27bdbb" d="M24.0412 4l-4.3999 38.94h-.4552L23.586 4z"/><path clip-path="url(#SVGID_2_)" fill="#21bcba" d="M24.4964 4l-4.3999 38.94h-.4552L24.0412 4z"/><path clip-path="url(#SVGID_2_)" fill="#1abcba" d="M24.9516 4l-4.3998 38.94h-.4553L24.4964 4z"/><path clip-path="url(#SVGID_2_)" fill="#10bbb9" d="M25.4068 4 21.007 42.94h-.4552L24.9516 4z"/><path clip-path="url(#SVGID_2_)" fill="#00bbb9" d="M25.862 4l-4.3998 38.94h-.4552L25.4068 4z"/><path clip-path="url(#SVGID_2_)" fill="#00bab8" d="M26.3172 4l-4.3998 38.94h-.4552L25.862 4z"/><path clip-path="url(#SVGID_2_)" fill="#00bab7" d="M26.7724 4l-4.3998 38.94h-.4552L26.3172 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b9b7" d="M27.2276 4l-4.3998 38.94h-.4552L26.7724 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b9b6" d="M27.6828 4 23.283 42.94h-.4552L27.2276 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b8b6" d="M28.138 4l-4.3998 38.94h-.4552L27.6828 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b7b5" d="M28.5932 4l-4.3998 38.94h-.4552L28.138 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b7b4" d="M29.0485 4l-4.3999 38.94h-.4552L28.5932 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b6b4" d="M29.5037 4l-4.3999 38.94h-.4552L29.0485 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b6b3" d="M29.9589 4 25.559 42.94h-.4552L29.5037 4z"/><path class="st57" d="M30.414 4l-4.3998 38.94h-.4552L29.959 4z"/><path class="st57" d="M30.8693 4l-4.3999 38.94h-.4552L30.4141 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b4b1" d="M31.3245 4l-4.3999 38.94h-.4552L30.8693 4z"/><path class="st59" d="M31.7797 4l-4.3999 38.94h-.4552L31.3245 4z"/><path class="st59" d="M32.2349 4 27.835 42.94h-.4552L31.7797 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b2af" d="M32.6901 4l-4.3999 38.94h-.4552L32.235 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b2ae" d="M33.1453 4l-4.3998 38.94h-.4553L32.6901 4z"/><path clip-path="url(#SVGID_2_)" fill="#00b1ad" d="M33.6005 4l-4.3998 38.94h-.4552L33.1453 4z"/><path class="st63" d="M34.0557 4 29.656 42.94h-.4552L33.6005 4z"/><path class="st63" d="M41.442 4l.2553.0288v38.9113H29.6559L34.0557 4z"/><g><defs><path id="SVGID_3_" transform="rotate(-135.2127 75.4332 23.2399)" d="M67.3578 15.1645h16.1509v16.1509H67.3578z"/></defs><clipPath id="SVGID_4_"><use xlink:href="#SVGID_3_" overflow="visible"/></clipPath><path clip-path="url(#SVGID_4_)" fill="#74cbcb" d="M86.8535 18.4911l-.3107-6.6715h.3107z"/><path clip-path="url(#SVGID_4_)" fill="#73cbcb" d="M86.8535 25.5011l-.6372-13.6815h.3265l.3107 6.6715z"/><path clip-path="url(#SVGID_4_)" fill="#73cbca" d="M86.8535 32.5111l-.9637-20.6915h.3265l.6372 13.6815z"/><path clip-path="url(#SVGID_4_)" fill="#72cbca" d="M86.6271 34.6602l-1.0638-22.8406h.3265l.9637 20.6915v2.1491z"/><path clip-path="url(#SVGID_4_)" fill="#71caca" d="M86.3006 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#70caca" d="M85.9741 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st70" d="M85.6476 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st70" d="M85.3211 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#6ec9c9" d="M84.9946 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#6dc9c9" d="M84.6681 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#6cc9c8" d="M84.3416 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#6bc9c8" d="M84.0151 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#6ac8c8" d="M83.6886 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#69c8c8" d="M83.3621 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#68c8c7" d="M83.0356 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#67c8c7" d="M82.709 34.6602l-1.0637-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#66c7c7" d="M82.3826 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#65c7c6" d="M82.056 34.6602l-1.0637-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#63c7c6" d="M81.7296 34.6602l-1.0639-22.8406h.3266l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#62c7c6" d="M81.403 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#61c6c6" d="M81.0766 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#60c6c5" d="M80.75 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#5fc6c5" d="M80.4236 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#5dc5c5" d="M80.097 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#5cc5c4" d="M79.7706 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#5bc5c4" d="M79.444 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#59c5c4" d="M79.1176 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#58c4c3" d="M78.791 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#57c4c3" d="M78.4646 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#55c4c3" d="M78.138 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#54c3c2" d="M77.8116 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#52c3c2" d="M77.485 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#50c3c2" d="M77.1586 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#4fc2c1" d="M76.832 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#4dc2c1" d="M76.5056 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#4bc2c1" d="M76.179 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#4ac1c0" d="M75.8526 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#48c1c0" d="M75.526 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#46c1c0" d="M75.1996 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#44c1bf" d="M74.873 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#42c0bf" d="M74.5466 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#40c0be" d="M74.22 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#3ec0be" d="M73.8936 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#3cbfbe" d="M73.567 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#39bfbd" d="M73.2406 34.6602l-1.0639-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#37bfbd" d="M72.914 34.6602l-1.0638-22.8406h.3265l1.0639 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#34bebd" d="M72.5875 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#32bebc" d="M72.261 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#2fbdbc" d="M71.9345 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#2cbdbb" d="M71.608 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#28bdbb" d="M71.2815 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#25bcbb" d="M70.955 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#21bcba" d="M70.6285 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#1cbcba" d="M70.302 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#16bbba" d="M69.9755 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#0fbbb9" d="M69.649 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#04bbb9" d="M69.3225 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st120" d="M68.996 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st120" d="M68.6695 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st120" d="M68.343 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st121" d="M68.0165 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st121" d="M67.69 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#00b9b6" d="M67.3635 34.6602l-1.0638-22.8406h.3265L67.69 34.6602z"/><path class="st123" d="M67.037 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406zM66.7105 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#00b8b5" d="M66.384 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#00b7b5" d="M66.0575 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st126" d="M65.731 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st126" d="M65.4045 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path clip-path="url(#SVGID_4_)" fill="#00b6b4" d="M65.078 34.6602l-1.0638-22.8406h.3265l1.0638 22.8406z"/><path class="st128" d="M64.7515 34.6602 64.013 18.802v-6.9823h.0013l1.0638 22.8406z"/><path class="st128" d="M64.425 34.6602l-.4121-8.8483v-7.01l.7386 15.8583z"/><path class="st129" d="M64.0985 34.6602l-.0856-1.8383v-7.01l.4121 8.8483z"/><path class="st129" d="M64.0129 32.8219l.0856 1.8383h-.0856z"/></g><g><path class="st0" d="M23.0105 11.6979 11.2639 23.5324l11.8342 11.7468 10.0115-.0372-10.4982-10.4145 51.842-.1923-4.5437 4.5747 5.0057-.0186 5.8734-5.9171-5.917-5.8733-5.0057.0186 4.5776 4.5412-51.8418.1922 10.4203-10.492z"/></g></svg></span><span class="text-uppercase font-weight-bold">gRPC</span></a><div class="td-navbar-nav-scroll ml-md-auto" id=main_navbar><ul class="navbar-nav mt-2 mt-lg-0"><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/about/><span>About</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/docs/><span>Docs</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/showcase/><span>Showcase</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/blog/><span>Blog</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/community/><span>Community</span></a></li></ul></div><div class="navbar-nav d-none d-lg-block"><input type=search class="form-control td-search-input" placeholder="&#xf002 Search this site…" aria-label="Search this site…" autocomplete=off></div></nav></header><div class="container-fluid td-default td-outer"><main role=main class=td-main><section id=td-cover-block-0 class="row td-cover-block td-cover-block--height-max js-td-cover td-overlay td-overlay--dark -bg-primary"><div class="container td-overlay__inner"><div class=row><div class=col-12><div class=text-center><div class="pt-3 lead"><p><img src=/img/logos/grpc-logo.png class=grpc-logo></p><h2>A high performance, open source universal RPC framework</h2><a class="btn btn-lg btn-primary font-weight-bold my-4" href=/docs/what-is-grpc/introduction>Learn more</a><div class="h3 mt-2">Get started!</div><div class=l-get-started-buttons><ul><li><a href=/docs/languages/go/quickstart/>Go</a></li><li><a href=/docs/languages/cpp/quickstart/>C++</a></li><li><a href=/docs/languages/java/quickstart/>Java</a></li><li><a href=/docs/languages/python/quickstart/>Python</a></li><li><a href=/docs/languages/csharp/quickstart/>C#</a></li><li><a href=/docs/languages/><i class="fas fa-ellipsis-h"></i></a></li></ul></div></div></div></div></div></div></section><div class=container><section class="home--top-section why-grpc"><h2>Why gRPC?</h2><p>gRPC is a modern open source high performance Remote Procedure Call (RPC)
framework that can run in any environment. It can efficiently connect services
in and across data centers with pluggable support for load balancing, tracing,
health checking and authentication. It is also applicable in last mile of
distributed computing to connect devices, mobile applications and browsers to
backend services.</p></section><p><section class=bg-gray-100><div class=c-features><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-1.svg alt="Simple service definition feature icon"><div><h3>Simple service definition</h3><p class=lead>Define your service using Protocol Buffers, a powerful binary serialization toolset and language</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-2.svg alt="Start quickly and scale feature icon"><div><h3>Start quickly and scale</h3><p class=lead>Install runtime and dev environments with a single line and also scale to millions of RPCs per second with the framework</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-3.svg alt="Works across languages and platforms feature icon"><div><h3>Works across languages and platforms</h3><p class=lead>Automatically generate idiomatic client and server stubs for your service in a variety of languages and platforms</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-4.svg alt="Bi-directional streaming and integrated auth feature icon"><div><h3>Bi-directional streaming and integrated auth</h3><p class=lead>Bi-directional streaming and fully integrated pluggable authentication with HTTP/2-based transport</p></div></div></div></section><section class=home--top-section><h2>Used by</h2><div class=c-used-by__users><div class=c-used-by__user><a href=https://youtu.be/-2sWDr3Z0Wo target=_blank rel=noopener><img class=used-by-logo src=/img/users/square-icon.png alt="Square logo"></a></div><div class=c-used-by__user><a href=https://github.com/Netflix/ribbon target=_blank rel=noopener><img class=used-by-logo src=/img/users/netflix-logo.png alt="Netflix logo"></a></div><div class=c-used-by__user><a href=https://blog.gopheracademy.com/advent-2015/etcd-distributed-key-value-store-with-grpc-http2 target=_blank rel=noopener><img class=used-by-logo src=/img/users/coreos-1.png alt="CoreOS logo"></a></div><div class=c-used-by__user><a href=https://www.cockroachlabs.com/blog/a-tale-of-two-ports/ target=_blank rel=noopener><img class=used-by-logo src=/img/users/cockroach-1.png alt="Cockroach Labs logo"></a></div><div class=c-used-by__user><a href=https://github.com/CiscoDevNet/grpc-getting-started target=_blank rel=noopener><img class=used-by-logo src=/img/users/cisco.svg alt="Cisco logo"></a></div><div class=c-used-by__user><a href=https://forums.juniper.net/t5/Automation/OpenConfig-and-gRPC-Junos-Telemetry-Interface/ta-p/316090 target=_blank rel=noopener><img class=used-by-logo src=/img/users/juniperlogo.png alt="Juniper Networks logo"></a></div></div></section><section class=home--top-section><h4>gRPC is a <a href=https://cncf.io>CNCF</a> incubation project</h4><img class=cncf-logo src=/img/logos/cncf-horizontal-color.png alt="Cloud Native Computing Foundation logo"></section></p></div></main><footer class="bg-dark py-5 row d-print-none"><div class="container-fluid mx-sm-5"><div class=row><div class="col-6 col-sm-4 text-xs-center order-sm-2"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=Twitter aria-label=Twitter><a class=text-white target=_blank rel="noopener noreferrer" href=https://twitter.com/grpcio><i class="fab fa-twitter"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Google Groups" aria-label="Google Groups"><a class=text-white target=_blank rel="noopener noreferrer" href=https://groups.google.com/g/grpc-io><i class="fab fa-google"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=Gitter aria-label=Gitter><a class=text-white target=_blank rel="noopener noreferrer" href=https://gitter.im/grpc/grpc><i class="fab fa-gitter"></i></a></li></ul></div><div class="col-6 col-sm-4 text-right text-xs-center order-sm-3"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel="noopener noreferrer" href=https://github.com/grpc><i class="fab fa-github"></i></a></li></ul></div><div class="col-12 col-sm-4 text-center py-2 order-sm-2"><small class=text-white>&copy; 2021 gRPC Authors</small></div></div><div class="row text-center text-white small"><div class="col-12 text-center py-2 order-sm-2"><a href=https://www.linuxfoundation.org/terms target=_blank rel=noopener>Terms</a> |
<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |
<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |
<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |
<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4e3817d565b4df4abc9433e5c6e92dcdf2b8e.js integrity="sha256-iCrVY/zlngeUlSHoK6TjgX1WW030q8lDPlxuktzfK44=" crossorigin=anonymous></script></body></html>