Protocol
Variants seen in the corpus:
Protocolprotocol
Providers using this tag (18)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Thin 3 Limited public surface area
APIs with this tag (50)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Strong 1 Solid coverage with minor gaps
Developing 9 Usable, with meaningful gaps to close
Leia Protocol APIThe Protocol API from Leia — 1 operation(s) for protocol.Delta Lake Storage FrameworkThe Delta Lake storage framework defines the on-disk transaction log and protocol that adds ACID transactio...Golioth PouchNon-IP device-to-cloud transport protocol from Golioth, with a companion Bluetooth gateway reference implem...Ricoh USA Protocol APICore OSC protocol endpointsPocket Network Shannon Chain APICosmos SDK-based REST and gRPC API for interacting with the Pocket Network Shannon protocol chain. Provides...Interhyp protocol APIaccess to submission protocolFluentd Forward ProtocolThe Fluentd Forward Protocol is a binary protocol used to transport event streams between Fluentd nodes and...Swift Binary Protocol (SBP)The native binary protocol for Swift Navigation devices — Piksi and Duro GNSS receivers and the Starling po...TzKT Governance APIThe Governance API exposes Tezos on-chain governance data including voting periods, proposals, ballots, and...
Thin 22 Limited public surface area
Euler Finance Protocol APIProtocol-wide summary endpoints and aggregate metrics. In v3, these endpoints are explicitly summary-orient...Orca protocol APIOrca protocol information endpointsMonad Machine Payments ProtocolProtocol specification for programmable machine-to-machine payments on Monad, including account, channel, a...Opentrons Python Protocol APIThe Opentrons Python Protocol API is an open-source Python framework for writing automated biology lab prot...DeBank Protocol APIGet protocol infoApache Thrift Server APIThe Thrift Server API provides server implementations for hosting Thrift services including TSimpleServer (...Towns ProtocolTowns Protocol is an open, decentralized messaging protocol built on Base. Builders integrate via first-par...Filecoin Protocol Actor APIBuilt-in actor method interface exposed through Filecoin Virtual Machine (FVM). Covers Account, Datacap, Mi...Superform Protocol APIThe Protocol API from Superform — 3 operation(s) for protocol.docomo Mail IMAP InterfaceThe docomo Mail IMAP interface is the one machine-interface specification NTT DOCOMO publishes openly, with...Eclipse RDF4J Protocol APIProtocol version of the server.Cucumber MessagesProtocol-buffer / JSON Schema specification of the messages exchanged between Cucumber components (parsers,...Origin Protocol protocol APIThe protocol API from Origin Protocol — 8 operation(s) for protocol.Sommelier Protocol APIProtocol-wide metrics such as total value locked.Snapchain HTTP APIThe read/write REST interface a Snapchain node serves on port 3381 under the /v1 path. Read endpoints (cast...AMQPAdvanced Message Queuing Protocol. AMQP 1.0 is both an OASIS standard and an International Standard (ISO/IE...MQTTOASIS standard messaging protocol for the Internet of Things. Lightweight publish/subscribe transport for r...STOMPSimple (or Streaming) Text Oriented Messaging Protocol. Lightweight, text-based wire protocol for message-o...MCP SpecificationThe authoritative protocol definition for the Model Context Protocol, maintained at modelcontextprotocol.io...Restate Service ProtocolThe Restate Service Protocol is the wire protocol Restate Server uses to communicate with handler endpoints...Bloomberg Open API (BLPAPI)Bloomberg's proprietary socket-based API protocol for accessing Bloomberg data, providing a high-performanc...Helium Protobuf DefinitionsCanonical protocol buffer definitions for Helium message formats used across packet routing, oracles, and r...
Emerging 16 Early or largely undocumented
CoAPThe Constrained Application Protocol, defined in IETF RFC 7252, is a RESTful protocol for constrained devic...gRPC StreaminggRPC supports four call patterns — unary, server streaming, client streaming, and bidirectional streaming —...MQTTA lightweight publish/subscribe protocol standardized by OASIS, designed for constrained devices and low-ba...Server-Sent Events (SSE)A unidirectional server-to-client streaming protocol over HTTP, defined by the WHATWG HTML Living Standard....WebRTCA peer-to-peer realtime communication framework for audio, video, and arbitrary data channels, standardized...WebSocketA full-duplex communication protocol over a single TCP connection, standardized by the IETF as RFC 6455 and...gRPC StreaminggRPC defines four RPC styles, three of which are streaming: server streaming, client streaming, and bidirec...Server-Sent Events (SSE)One-directional HTTP-based streaming from server to client using the `text/event-stream` media type. Define...WebSocketFull-duplex, bidirectional streaming protocol over a single TCP connection, upgraded from HTTP. RFC 6455. F...Aave V4 Protocol (Smart Contracts)Next-generation Aave V4 protocol implementation with unified liquidity layer, hub-and-spoke architecture, a...APEX — Adaptive Payload EXchangeAPEX is Neros Technologies' open, MIT-licensed plug-and-play protocol for connecting drone platforms (hosts...MQTT Version 3.1.1 ProtocolPrevious OASIS Standard version of MQTT, still widely deployed across IoT brokers, devices, and cloud platf...MQTT Version 5.0 ProtocolOASIS Standard publish/subscribe messaging protocol for IoT and M2M communication. MQTT v5.0 defines the wi...Cap'n Proto RPC ProtocolCap'n Proto's RPC protocol is a capability-based RPC layer that supports promise pipelining, object referen...RTSP ProtocolThe Real-Time Streaming Protocol (RTSP) is a stateful protocol defined in RFC 2326 (1.0) and RFC 7826 (2.0)...LDAPLightweight Directory Access Protocol for accessing and maintaining distributed directory information servi...
Minimal 2 Almost no public developer surface
Companies reaching this through an API (33)
These companies publish an API, specification or operation carrying “Protocol” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.
Apache Thrift
Bloomberg Proprietary Technologies
Cucumber
DeBank
Delta Lake
Eclipse RDF4J
Euler Finance
Events
Filecoin
Fluentd
Golioth
Helium Network
Interhyp
Leia
Microsoft Active Directory
Model Context Protocol (MCP)
Monad
Neros
NTT Docomo
OpenLDAP
Opentrons
Orca
Origin Protocol
Pocket Network
Postfix
Realtime
Restate
Ricoh USA
Sommelier
Streaming
Superform
Swift Navigation
Tezos
Score breakdown
Frequency
51.2
log-scaled weighted occurrences
Breadth
0.5
spread across providers
Quality lift
19.9
mean composite of providers using it
Cohesion
3.3
strength of nearest seed neighbor
Related tags
IETF 6 co-occurrences
RPC 5 co-occurrences
gRPC 6 co-occurrences
Ethereum 6 co-occurrences
Blockchain 15 co-occurrences
DeFi 7 co-occurrences
Crypto 5 co-occurrences
SDK 10 co-occurrences
Where this tag comes from
Provider tag18
Api tag50
Openapi tag10
Openapi op tag26
Work with this as data
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