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 →

Exemplar 23 Complete, well-documented, and agent-ready

Salesforce Streaming APIThe Salesforce Streaming API uses a publish-subscribe model based on Bayeux/CometD to push near-real-time e...87.5 OpenAI Realtime APIThe Realtime API from OpenAI — 9 operation(s) for realtime.82.9 Mux Streaming APIAPIs for streaming video content via HLS and MP4 with customizable playback options.77.7 Regal Reporting WebhooksRegal publishes 40+ reporting webhook event types covering agent activity, call lifecycle (placed, complete...77.1 RudderStack Event Stream APIThe RudderStack Event Stream API manages real-time event-stream pipelines — sources, destinations, connecti...76.2 Twelve Data WebSocket Streaming APIReal-time price streaming over a persistent, bidirectional WebSocket at wss://ws.twelvedata.com/v1/quotes/p...73.3 Apple Music APIThe Apple Music API is Apple's REST surface for Apple Music catalog, library, ratings, playlists, recommend...73.1 0xArchive WebSocket APIReal-time subscriptions for supported Hyperliquid channels and historical replay for Hyperliquid and Lighte...72.7 Canvas Live EventsCanvas Live Events stream lifecycle events emitted by Canvas (course, enrollment, assignment, submission, g...71.7 ThousandEyes Streaming APIConfigure data streaming71.2 8x8 Event Streaming APIReal-time contact center event stream delivered over the Apache Pulsar WebSocket interface. Clients connect...70.3 OPERA Cloud Business Events Streaming APIPush delivery of OPERA Cloud Business Events as a GraphQL subscription over WebSocket. Each event carries t...69.3 Service Cloud Pub/Sub APIThe gRPC event API. Publish and subscribe to platform events and Change Data Capture events (including /dat...68.6 Service Cloud Streaming APICometD/Bayeux long-polling surface for PushTopic, generic streaming and platform event subscriptions. The l...68.6 HERE Ingest API v1HERE Ingest API v1 — 6 operation(s) across 3 path(s), OpenAPI 3.0.1 version 1.1.3, harvested verbatim from ...68.4 HERE Stream API v2HERE Stream API v2 — 7 operation(s) across 6 path(s), OpenAPI 3.0.1 version 2.1.2, harvested verbatim from ...68.4 Polygon WebSocket APIReal-time streaming WebSocket clusters per asset class (stocks/options/indices/forex/crypto). Subscribers a...68.3 Crypto.com Exchange WebSocket API v1WebSocket API for the Crypto.com Exchange, split into a Market Data stream (public channels for book, ticke...68.2 Edge Impulse Remote Management APIA two-way WebSocket protocol between edge devices and Edge Impulse Studio, used to drive a connected device...68.0 fal Realtime APIWebSocket-based realtime inference for ultra-low latency interactive generative experiences such as LCM/SDX...67.6 fal Streaming APIHTTP streaming endpoint (`/{model-id}/stream`) that emits progressive partial outputs as a model runs — use...67.6 fal Streaming APIServer-sent streaming of incremental model output.67.6 Shodan Streaming APIThe Streaming API from Shodan — 5 operation(s) for streaming.67.2

Strong 53 Solid coverage with minor gaps

Adobe Analytics Livestream APIThe Livestream API is a reporting feature in Adobe Analytics that allows clients to receive traffic data pr...65.9 aedifion MQTT APIMQTT 3.1.1 broker interface at mqtt.aedifion.io for streaming building telemetry into and out of the aedifi...65.8 Dolby OptiView LiveTHEOlive API v2 - live streaming channel orchestration: channels, ingests, engines, distributions, ABR ladd...65.7 Dolby OptiView Real-time Streaming (Millicast)Millicast API - sub-second WebRTC streaming at scale: publish/subscribe tokens, streams, transcoders, media...65.7 Kensho Scribe Real Time APIReal-time streaming transcription over a WebSocket at wss://scribe.kensho.com/ws. Clients send an Authentic...65.7 Red5 Core SDKThe Red5 Core SDK is a native client library for building real-time streaming applications on Linux, Window...65.6 Red5 Pro Android Streaming SDKThe Red5 Pro Android Streaming SDK is a native Android library for integrating real-time live streaming pub...65.6 Red5 Pro iOS Streaming SDKThe Red5 Pro iOS Streaming SDK is a native iOS library for integrating real-time live streaming publish and...65.6 Red5 Pro WebRTC SDKThe Red5 Pro WebRTC SDK is a JavaScript library for integrating low-latency live streaming publish and subs...65.6 Cloudflare Pipelines APIThe Cloudflare Pipelines API enables developers to ingest events via HTTP endpoints or Worker bindings, tra...65.1 Cloudera Cruise Control REST APICruise Control on CDP exposes REST endpoints for rebalancing Kafka clusters, monitoring partition load, and...64.9 Cloudera DataFlow APIManage DataFlow projects, flow definitions, versions, readyflows and deployment requests. 66 operations.64.9 Streams Replication Manager Service REST APIStreams Replication Manager (SRM) exposes a REST API for inspecting cross-cluster Kafka replication topolog...64.9 Power BI Push Datasets APIThe Push Datasets API enables real-time data streaming by allowing applications to create push datasets and...64.8 Anbox Cloud AMS APIThe external REST API of the Anbox Management Service (AMS), the control plane of Canonical's Anbox Cloud p...64.4 Anbox Stream Gateway APIThe Anbox Cloud streaming control API — creates and manages streaming sessions between clients and Android ...64.4 Cumulocity MQTT Service APIStandards-compliant, multi-tenant MQTT broker for application-level messaging that does not need Cumulocity...64.4 Dify Chat Messages APIOperations related to chat messages and interactions. 3 operation(s) from the Dify Service API.64.0 Dify Workflow Runs APIOperations for executing and managing workflows. 6 operation(s) from the Dify Service API.64.0 F5 Telemetry Streaming APIDeclarative API for aggregating, normalizing, and forwarding BIG-IP statistics and events to third-party an...63.7 iTwin Visualization APIServer-side visualization service for rendering iTwins in web browsers without client compute. Supports int...62.7 Rhombus Console WebSocket APIReal-time organization change events delivered over a STOMP 1.2 session framed on a secure WebSocket. Clien...62.4 ThetaData Streaming WebSocket APIJSON WebSocket streaming of US stock trade/quote, options trade/quote, and index price streams, served loca...62.4 Validic Streaming APIServer-Sent Events stream of organization-wide health events.62.1 EODHD WebSockets Real-Time APIStreams real-time trade and quote updates over WebSockets for US stocks, forex, and cryptocurrencies, allow...61.8 Prezent Streaming APIOpen a Server-Sent Events stream to receive real-time progress events as Prezent generates a presentation. ...61.5 Runloop streaming APIThe streaming API from Runloop — 2 operation(s) for streaming.61.1 Zendesk Real-Time Chat APIThe Zendesk Real-Time Chat API provides streaming access to real-time chat metrics and activity data. It en...61.1 PyannoteAI Streaming APIThe Streaming API from PyannoteAI — 2 operation(s) for streaming.60.8 Sift gRPC APIThe gRPC contract that is Sift's primary API — 51 services and 330 RPCs defined across 66 proto3 files publ...60.6 Clearbit Streaming Enrichment APIThe same enrichment contract served from a streaming host that holds the connection open for up to 60 secon...60.3 OCI Streaming APIManaged messaging service for ingesting and consuming high-volume data streams in real time, compatible wit...60.2 Ant Media Server REST APIThe Ant Media Server REST API provides programmatic access to all streaming server management functions inc...59.8 emnify Data StreamerStream event and usage data to outbound destinations (AWS S3, AWS Kinesis, REST/webhook, Datadog, Salesforc...59.4 Factiva Streams APIReal-time streaming API that delivers continuous feeds of news content matching specified criteria and filt...59.3 Aptos Transaction Stream APIgRPC streaming API that delivers historical and real-time transaction data from the Aptos blockchain. Used ...58.8 FlightAware FirehoseFirehose is FlightAware's real-time streaming feed of global flight data, delivering ADS-B, radar, and ATC-...58.4 Lukka Market Data Streaming APIWebSocket streaming for executed trades, Level-1 order-book quotes, Lukka Prime pricing, Lukka Index valuat...57.7 Text Generation Inference (TGI)High-performance inference server for large language models with continuous batching, token streaming, tens...57.2 X Activity APIThe X Activity API provides real-time activity event subscriptions with sub-second delivery via streaming o...57.0 Tradier Streaming APIThe Tradier Streaming API delivers real-time market and account events over HTTP and WebSocket. Quote, trad...56.6 Tradier Streaming APIThe Streaming API from Tradier — 2 operation(s) for streaming.56.6 Amplitude Webhooks and Cohort SyncThe Webhooks Streaming destination forwards Amplitude event and user payloads to a customer-configured HTTP...56.4 Cloud Foundry LoggregatorLoggregator is Cloud Foundry's distributed log and metric pipeline that aggregates application logs, platfo...56.2 Fabric Origin Video APIThe Video API generates playable links for trailers and other video assets using video identifiers returned...55.8 Kaiko StreamReal-time crypto market data delivered over gRPC server-streaming. Feeds include tick-level trades, top-of-...55.8 Origin Insights MCP ServerA hosted Model Context Protocol server over Origin Insights streaming market intelligence — availability, d...55.8 Decart Realtime APIThe Realtime API from Decart — 1 operation(s) for realtime.55.3 Streaming APIPush notification API using Bayeux protocol to receive near real-time updates when data changes in Salesfor...55.3 Apple Music APIAccess Apple Music catalog, user library, and playback controls.55.1 Trigger.dev Realtime APIThe Trigger.dev Realtime API streams live run state and typed stream data to backend and frontend clients. ...54.8 Salesforce Pub/Sub APIgRPC-based API for publishing and subscribing to platform events, change data capture events, and custom ch...54.7 Amberdata WebSocket Streaming APILow-latency real-time WebSocket streaming over a JSON-RPC 2.0 subscribe interface for spot trades and price...54.4

Developing 118 Usable, with meaningful gaps to close

BuiltWith Live Feed APIReal-time WebSocket feed of technology detections as they happen across the web.53.8 Toolhouse Workers APIThe Toolhouse Workers API (historically the "Agents API") enables HTTP execution of any deployed Toolhouse ...53.7 Sygnum Market Data APIMarket data service exposed as REST plus a streaming WebSocket channel, so partners can stream prices and m...53.4 Convai Streaming APIThe Streaming API from Convai — 1 operation(s) for streaming.53.2 Binance.US WebSocket StreamsBinance.US WebSocket Streams deliver real-time market data and account events over persistent WebSocket con...52.6 Benzinga TCP Streaming ServiceLow-latency persistent TCP stream (tcp-v1.benzinga.io port 11337, optional TLS) delivering real-time news, ...52.5 Benzinga WebSocket Streaming APIReal-time WebSocket streams over wss://api.benzinga.com for news, earnings, analyst ratings, consensus rati...52.5 Blockchain.com Exchange WebSocket APIReal-time WebSocket gateway for the Blockchain.com Exchange. Anonymous channels stream heartbeat, L2/L3 ord...52.5 Blockchain.com Explorer WebSocket APILow-latency streaming socket channel providing notifications on new bitcoin blocks, unconfirmed transaction...52.5 CryptoCompare Streaming WebSocketSingle secure WebSocket endpoint multiplexing every subscription via tilde-delimited subscription strings (...52.2 Gemini Live APILow-latency real-time voice and video interactions with Gemini using WebSockets for streaming multimodal in...52.2 Vertex AI Gemini Live APIEnterprise real-time multimodal streaming API on Vertex AI for building low-latency voice and video AI agents.52.2 Deutsche Börse Cloud Stream Market Data APICloud-delivered real-time market data streaming over WebSocket (host md.deutsche-boerse.com) with Protocol ...52.1 Itron Consumer Energy Stream (CES) APIItron describes Consumer Energy Stream as a data product that allows electricity meter consumption data "fr...52.0 Telia ACE Audio Stream Forwarding APIBidirectional streaming gRPC service over HTTP/2 that forwards copies of the audio streams in Telia ACE con...51.9 LSEG WebSocket APIStandards-based WebSocket API for real-time pricing streaming using JSON message formats. Connects to Real-...51.8 Real-Time Java SDKJava SDK encompassing the Enterprise Message API (EMA) and Enterprise Transport API (ETA) for building high...51.8 Databento Live Streaming APILow-latency live market data delivered over a raw TCP binary streaming protocol using Databento Binary Enco...51.7 Tensor WebSocket APISubscription-based realtime stream of Tensor marketplace events. Channels include `newTransaction` (every c...51.7 Grade APIREST API for the Grade IPTV catalog and personal library, with a public OpenAPI 3.1 contract, hosted MCP se...51.4 Ostium Builder APIPublic Builder API and TypeScript/Python SDK surface for reading Ostium market data (pairs, prices, OHLC ca...51.2 Mercedes-Benz Fleet APIThe Mercedes-Benz Fleet API integrates vehicle data into fleet management systems without retrofit hardware...50.8 Sanity Listen APIReal-time event streaming50.6 Speechmatics Realtime Transcription APIWebSocket API for low-latency real-time streaming transcription supporting live audio input, speaker diariz...50.6 Ally Invest Streaming Market Data APIThe Ally Invest Streaming API delivers real-time market quotes via a persistent HTTP streaming connection. ...50.3 OpenSea Stream APIReal-time WebSocket event streaming for NFT marketplace activity per collection, including item listed, ite...50.3 FOREX.com Pricing APIReal-time tick history and OHLC bar history50.2 Wowza Streaming Engine Java APINative Java API for extending and customizing the Wowza Streaming Engine media server via server listeners,...49.9 Lambda Inference APILambda Inference API is an OpenAI-compatible REST gateway at https://api.lambda.ai/v1 that serves hosted op...49.5 Axway Amplify StreamsAxway Amplify Streams provides a real-time event streaming API platform enabling publishers to push data up...49.4 Service Cloud Streaming APIReal-time streaming API for push notifications and event-driven architecture.49.4 DeepL Voice APIThe DeepL Voice API provides real-time speech transcription and translation. A POST to /v3/voice/realtime i...49.1 Maxar Vivid Basemap APIVivid is Maxar's cloud-free, color-balanced basemap product — a global mosaic refreshed from the WorldView ...48.8 tastytrade Account Streamer APIWebSocket-based account streaming that delivers real-time notifications for order fills, position changes, ...48.7 tastytrade DXLink Market Data Streaming APIReal-time market data streaming via DXLink, a WebSocket-based protocol backed by dxFeed. Clients fetch a qu...48.7 INRIX TPEG ConnectDelivers INRIX traffic, incident, parking, weather and fuel content in TISA TPEG format over HTTP POST sess...48.2 Gemini Live APILow-latency bidirectional streaming API enabling real-time voice and video interactions with Gemini models ...48.0 Triton One Fumarole Persistent StreamsFumarole — persistent Yellowstone streams with gap-free reconnect and 4-day server-side cache. Built for co...48.0 Triton One Whirligig WebSocketsWhirligig — Triton's enhanced WebSocket layer over Solana RPC. Adds the missing transactionSubscribe stream...48.0 Triton One Yellowstone gRPC (Dragon's Mouth)Dragon's Mouth — Triton's high-performance Solana streaming gRPC service. Subscribe to slots, blocks, trans...48.0 Morningstar Streaming APIWebSocket-based real-time market data streaming with Level 1 quote and Level 2 market-by-price subscription...47.8 Bazel Build Event ProtocolThe Build Event Protocol (BEP) is Bazel's structured stream of build events — target configured, progress, ...47.7 Companies House Streaming APIThe Companies House Streaming API delivers real-time changes to Companies House data via long-running HTTP ...47.6 SPAN eBus MQTT APIPublish/subscribe streaming API hosted on SPAN Panel using the Electrification Bus (eBus) integration frame...47.6 AT Protocol Firehose (Event Stream)Public WebSocket event stream providing real-time access to all public activity on the AT Protocol network,...47.5 AT Protocol Relay & FirehoseThe Relay aggregates the com.atproto.sync.subscribeRepos firehose across PDS hosts and re-broadcasts the co...47.5 Blockdaemon Chain Watch Events APIReal-time push-based on-chain event streaming for institutional wallets and finance systems. Configure Targ...47.4 Striim Application Management REST APIREST API to create and manage (deploy, start, stop, undeploy, drop) Striim applications, execute TQL comman...47.4 daglo Realtime Streaming STT (gRPC)Bidirectional gRPC streaming speech recognition served from apis.daglo.ai. The provider publishes the proto...47.3 Dell iDRAC Telemetry Streaming APIServer-Sent Events (SSE) streaming API for real-time telemetry data from Dell PowerEdge servers via iDRAC. ...46.9 Deribit WebSocket APIJSON-RPC over WebSocket interface for real-time bidirectional communication with the Deribit exchange. Reco...46.7 Indeed Real-time APIStream real-time server-sent events (SSE) to enable front-end applications to update instantly, supporting ...46.7 Moore Threads AIBook Streaming Voice Conversion APIA WebSocket voice-conversion service at /api/v1/streaming_vc that re-timbres a live 16 kHz 16-bit mono PCM ...46.7 Moore Threads AIBook Text-to-Speech APIHTTP and WebSocket speech synthesis. A non-streaming POST /api/v1/tts/generate returns a complete wav/mp3 f...46.7 HeyGen Streaming APIStreaming avatar session lifecycle and task endpoints.46.6 Neuphonic TTS WebSocket APIWebSocket endpoint for continuous, low-latency text-to-speech streaming. Enables real-time voice synthesis ...46.6 Juniper Mist WebSocket Streaming APIMist exposes a WebSocket channel for real-time event subscriptions including device events, location update...46.5 Sanas Stream APIReal-time speech-to-speech translation over a single persistent WebSocket connection, supporting consecutiv...46.4 Refinitiv Real-Time SDK - C/C++Open source C/C++ SDK for the Refinitiv Real-Time platform, providing the Enterprise Message API (EMA) and ...46.2 Refinitiv Real-Time SDK - JavaOpen source Java SDK for the Refinitiv Real-Time platform, containing the Enterprise Message API (EMA) for ...46.2 Refinitiv Real-Time WebSocket APILow-latency streaming API for real-time market data using WebSocket connections. It supports the Open Messa...46.2 Refinitiv Streaming APIService discovery for streaming connections to real-time pricing and data services.46.2 Jito Streaming SurfacesReal-time streaming surfaces from Jito infrastructure — the wss tip_stream for continuous bundle-tip percen...46.0 Polymarket WebSocketReal-time streaming feed for order book updates, trades, and market events on the Polymarket CLOB - used by...46.0 Apache Kafka Messaging APIThe core Kafka messaging protocol for producing and consuming records to/from topics using the native Kafka...45.9 Finage WebSocket Market Data StreamReal-time streaming trades and quotes for US stocks, global stocks, forex, crypto, CFD indices, and ETFs ov...45.8 Enterprise Event SystemReal-time, pub/sub-based event streaming surface. Lets institutions and partners react to events emitted ac...45.7 gRPC Core FrameworkThe gRPC core framework defines the RPC protocol, service definition format using Protocol Buffers, and the...45.7 MEXC Futures WebSocket APIThe MEXC Futures WebSocket API streams real-time derivatives market data and account events over persistent...45.4 MEXC Spot WebSocket StreamsThe MEXC Spot WebSocket Streams deliver real-time market data and user account updates via persistent WebSo...45.4 Spring WebFlux RSocketIntegration with RSocket binary protocol for reactive, message-driven communication between microservices. ...45.3 Trieve Message APIMessages are turns within a topic; the Message API drives RAG completions, streaming responses, and citatio...45.3 Brocade SANnav Northbound Streaming APIThe Brocade SANnav Northbound Streaming API enables real-time streaming of SAN telemetry and event data fro...45.2 Bluesky JetstreamJetstream is a simplified JSON event stream for the AT Protocol that converts CBOR-encoded MST blocks from ...44.8 Cartesia TTS WebSocket APIBidirectional, multiplexed WebSocket at wss://api.cartesia.ai/tts/websocket for realtime speech generation....44.8 LMNT Speech Sessions APIWebSocket-based real-time speech generation API for streaming LLM text output to synthesized audio with res...44.8 AssemblyAI Streaming APIStreaming Speech-to-Text44.7 May Mobility Fleet Realtime APIA WebSocket streaming API that delivers live May Mobility vehicle data in two modes. Telemetry mode streams...44.6 dxFeed dxLink WebSocket APIdxLink is dxFeed's WebSocket protocol for real-time market data streaming with multiplexed virtual channels...44.4 PlayAI Text-to-Speech APIThe PlayAI Text-to-Speech API converts text into natural, human-like speech using the PlayDialog 1.0, Dialo...44.1 PlayAI Voice Agents APIThe PlayAI Voice Agents API lets developers create, configure, and run conversational AI agents that proces...44.1 TradeStation Streaming APIThe TradeStation Streaming API provides real-time HTTP streaming endpoints using chunked transfer encoding ...44.1 Amazon Managed Service for Apache Flink APIAmazon Managed Service for Apache Flink (formerly Amazon Kinesis Data Analytics for Apache Flink) is a full...43.9 LBank WebSocket Account and Order APIAuthenticated WebSocket API for receiving real-time account balance and order status updates from LBank. Cl...43.7 LBank WebSocket Market Data APIReal-time WebSocket API for streaming live market data from LBank. Clients can subscribe to K-line (candles...43.7 http.rbFast Ruby HTTP client built on the llhttp parser with a chainable request-building API, streaming bodies, p...43.1 Mudrex Market Data APIPublic, unauthenticated market-data surface for Mudrex linear perpetual futures. Over REST it returns bulk ...43.1 Smallest AI Streaming APIRealtime streaming speech synthesis.43.1 RisingWave SQL APIPostgreSQL-compatible SQL interface for ingesting streaming data, defining materialized views, running anal...43.0 Legend WebSocket APILegend's Hyperliquid-compatible WebSocket at wss://api.legend.trade/ws, using subscription-based messaging....42.9 BigQuery Storage APIThe BigQuery Storage API provides high-throughput read and write access to BigQuery managed storage. It ena...42.8 NATS JetStream APIThe JetStream API from NATS — 1 operation(s) for jetstream.42.5 NATS Messaging APIAsynchronous messaging API supporting core pub-sub, request-reply, queue groups, and JetStream persistent m...42.5 Starlink Telemetry Stream APIA low-latency JSON over HTTP streaming API for device telemetry, consumed by repeated small-batch POST requ...42.3 Gracenote GVD APIThe Global Video Data API is Gracenote's worldwide video metadata feed — schedules, VOD catalogs, availabil...42.0 Gracenote Online Video and Social APIsCurated links to online and over-the-top video content, indexed and synced to Gracenote TMS IDs, alongside ...42.0 Gracenote Video MCP ServerA production remote Model Context Protocol server that grounds LLM responses in Gracenote's verified video ...42.0 TomTom AutoStream APITomTom AutoStream is a map data delivery platform optimized for on-demand and over-the-air cloud-to-device ...42.0 Plivo Audio Stream APIThe Plivo Audio Stream API attaches a real-time WebSocket audio stream to a live call, enabling AI voice ag...41.9 Eko Connect Enterprise SDK and APIEko Connect is Eko Health's integration surface for telehealth vendors, telemedicine cart makers, and life-...41.7 Soundtrack APISingle-endpoint GraphQL API (queries, mutations and websocket subscriptions) for building display, control ...41.5 Trading Economics Streaming APIPersistent WebSocket connection at wss://stream.tradingeconomics.com delivering live market quote ticks by ...41.1 PandaScore Live Data APIReal-time in-game state, frames, and event timelines streamed over WebSocket for supported esports titles. ...40.8 Quix Streaming Reader API (Real-time)Subscribe to live parameter data, events, definitions, active streams, topic metrics, and raw packages from...40.7 Binance Spot WebSocket APIThe Binance Spot WebSocket API provides an alternative way to access spot trading functionality through per...40.6 Binance Spot WebSocket StreamsBinance Spot WebSocket Streams deliver real-time market data updates via persistent WebSocket connections. ...40.6 Betfair Exchange Stream APILow-latency, subscription-based push of market and order changes over a persistent raw SSL/TCP socket to st...40.5 Oddpool WebSocket FeedsSingle-connection WebSocket streaming real-time, normalized cross-venue prediction market data (dist, book,...40.5 SEC API Filing Stream APIReal-time, push-based WebSocket feed of newly published SEC EDGAR filings. Connect to wss://stream.sec-api....40.4 Skylark Precise Positioning ServiceReal-time GNSS corrections delivered as continuously-open NTRIP streams. A client opens an HTTP GET against...40.2 Bitnomial Market Data WebSocket APIReal-time WebSocket market-data feed delivering trade, order book, block trade, and market status messages ...40.1 GameAnalytics Data Export (PipelineIQ)PipelineIQ raw data export streams every gameplay event as JSON objects (a metadata wrapper plus an event d...40.0 Triton GRPC APIHigh-performance gRPC API for model inference with support for streaming and binary tensor data.39.9 Planet Subscriptions APIStanding subscriptions that deliver new imagery and analytic feeds to a cloud destination automatically as ...39.6 Bunny.net Stream APIVideo streaming API for managing Video Libraries, videos, collections, captions, chapters, transcoding prof...39.5 Bunny.net Stream WebhooksSigned HTTP POST webhooks delivered by Bunny Stream to the WebhookUrl configured on a Video Library wheneve...39.5 Vitess VReplication APIVReplication is the Vitess framework for replicating and transforming data streams within and across Vitess...39.5 7digital Streaming APIHLS and HTTP Progressive streaming for previews, catalogue, locker and subscriber playback.39.4

Thin 113 Limited public surface area

Kpler AIS Data FeedGlobal vessel-position data feed launched September 2025 (replacing MarineTraffic AIS and the acquired Spir...39.2 Nasdaq Cloud Data Service (NCDS) Streaming APINasdaq Cloud Data Service (NCDS) provides streaming and REST APIs for real-time and delayed market data del...39.0 Xignite CloudStreaming APIStreaming product for pushing real-time quotes directly to applications. The product page is live but trans...39.0 1Forge Forex StreamWebSocket stream that delivers real-time bid/ask updates for subscribed forex and cryptocurrency pairs. Str...38.9 Apache Spark Streaming APIScalable, high-throughput, fault-tolerant stream processing of live data streams. Supports Structured Strea...38.9 QORTEX DTC APIThe QORTEX DTC API is the integration surface of Quanergy's detect-track-classify perception server. A gRPC...38.7 Nasdaq Data Link Streaming APIStreaming API (Nasdaq Cloud Data Service) for real-time products — Nasdaq Basic, Last Sale+, TotalView, Con...38.6 OneAtlas Data Living LibraryOneAtlas Data Living Library is a platform that provides users with access to a diverse range of geospatial...38.4 Fish Audio APIThe Fish Audio API provides RESTful access to text-to-speech, speech-to-text, voice cloning, and voice mana...38.3 Korbit Open API v2 WebSocketWebSocket streaming API for the Korbit exchange. Public channels stream ticker, orderbook and trade market ...38.2 Wazo Websocket Event Stream (wazo-websocketd)WebSocket gateway onto the Wazo internal event bus. An authenticated client subscribes to named platform ev...38.2 AISStream AIS Stream APIReal-time global AIS vessel-tracking stream delivered over a single WebSocket at "wss://stream.aisstream.io...38.0 Apache Storm Topology APIThe Topology API from Apache Storm — 14 operation(s) for topology.37.9 Hyperliquid WebSocket APIReal-time WebSocket feed delivering order-book deltas, trades, candles, BBO, user fills, user funding, user...37.9 Spacetime Southbound Interface (SBI / CDPI)The Southbound Interface, also called the Control to Data-plane Interface (CDPI), is the collection of gRPC...37.9 Syndica ChainStream APIChainStream is Syndica's real-time Solana data streaming API. It consolidates updates from multiple validat...37.7 Syndica Solana RPC (WebSocket) APIStandard Solana RPC PubSub WebSocket service supporting accountSubscribe, programSubscribe, signatureSubscr...37.7 Gcore Streaming APIVideo hosting (VOD) and live streaming.37.6 Kalshi WebSocket Streaming APIReal-time streaming feed for market data, order book updates, fills, and portfolio events on Kalshi. Docume...37.6 Voiceitt WebSockets APISocket.IO WebSockets API for real-time speech recognition. After JWT login via the HTTP API, clients set re...37.6 Vocode Realtime Streaming ConversationReal-time, bidirectional streaming conversation pipeline (StreamingConversation) in the open-source library...37.2 Webull Market Data APIReal-time and historical market data — snapshots, tick data, quotes/depth, footprint, and OHLCV bars for st...37.2 Eagle Eye Video API Platform (v3)REST API v3 for the Eagle Eye Networks cloud VMS: devices (bridges, cameras, speakers, switches, multi-came...37.1 Prometheus Remote WriteRemote Write is Prometheus' push protocol for shipping scraped samples to long-term storage and analysis ba...36.9 Gate WebSocket API v4Real-time WebSocket streams for market data (order books, trades, tickers, candlesticks) and private channe...36.5 Bitso WebSocket APIReal-time streaming channels for trades, order-book diffs, and full order-book snapshots. Used by trading c...36.4 Restream Chat APIWebSocket API for accessing and managing Restream Chat. Receive real-time chat messages from all connected ...36.3 Restream Streaming Updates APIWebSocket API for real-time streaming status updates. Connect to wss://streaming.api.restream.io/ws with an...36.3 Bloomberg SAPI (Server API)The shared-server deployment of BLPAPI, providing real-time subscription and historical request/response ma...36.2 Infoworks Streaming APIThe Streaming API from Infoworks — 3 operation(s) for streaming.36.2 Materialize HTTP APISession-less HTTP API for executing SQL statements against a Materialize region. Authenticates with HTTP Ba...36.1 Materialize Streaming Sources and Sinks (AsyncAPI)AsyncAPI 2.6 description of Materialize's event-driven integration surface: Kafka sources (CREATE SOURCE .....36.1 WazirX WebSocket APIEndpoints for WebSocket authentication token generation36.0 Trip Ninja DataStream APIDataStream is a separately-credentialled Trip Ninja product with its own documentation section (setup, auth...35.8 IO Intelligence APIOpenAI-compatible inference API for open-source AI models hosted on io.net's decentralized GPU network. Exp...35.6 Maxar Streaming 3D APIStreams 3D surface models derived from Maxar's stereo and tri-stereo collections for visualization and 3D a...35.6 Maxar Streaming Imagery APIOGC-compliant WFS / WMS / WMTS streaming services for delivering online imagery strips into web mapping cli...35.6 TD Ameritrade Streaming Market Data APIProvides a WebSocket-based streaming API that delivers up-to-the-second market data including real-time Lev...35.6 Voiceflow Conversations APIREST + SSE API for running Voiceflow agent turns, managing conversation state, updating variables, and emit...35.2 IBroadcastServiceIBroadcastService exposes Steam game-broadcast metadata and stream-discovery endpoints used for in-app broa...35.0 Samsung Smart TV SDKThe Samsung Smart TV developer platform enables development of Tizen-based applications for Samsung Smart T...34.9 Thought Machine Vault Core APIVault Core is Thought Machine's cloud-native core banking engine. Its API surface spans a REST Core API for...34.9 Thought Machine Vault Payments APIVault Payments is Thought Machine's cloud-native payments processing platform, able to run card, instant, b...34.9 PowerTrade WebSocket FeedsReal-time WebSocket market-data feeds (reference data, top-of-book, order books, trades, index and settleme...34.6 Akka gRPCAkka gRPC provides support for building streaming gRPC servers and clients on top of Akka Streams, with cod...34.4 Akka HTTPAkka HTTP is a full HTTP stack (client and server-side) built on Akka actors and streams. It provides a rou...34.4 Argmax Local ServerA local transcription server for macOS that is API-compatible with the Deepgram Speech-to-Text (Live) API, ...34.3 Bitquery Kafka StreamsProtobuf-encoded streams of decoded blockchain data delivered via managed Kafka topics. Designed for scale-...34.2 Bitquery Solana CoreCast (gRPC)gRPC streaming API for Solana that delivers decoded block, transaction, and instruction data with sub-secon...34.2 Bitquery Streaming SubscriptionsGraphQL subscriptions over WebSocket for real-time blockchain data - live DEX trades, transfers, pending tr...34.2 Polaris Native API (Point One Open)The native Point One corrections protocol. A Polaris API key is POSTed unauthenticated to https://api.point...34.2 Spire Maritime AIS TCP StreamAlways-on real-time AIS feed delivered over a RAW TCP SOCKET (not HTTP, not WebSocket). Client opens a TCP ...33.6 Bloomberg B-PIPE APIReal-time streaming market data API delivering quotes, trades, and market depth.33.4 Capital.com WebSocket APIThe Capital.com WebSocket API streams real-time market data, supporting up to 40 concurrent instruments and...33.4 Nasdaq Data Link Streaming APIStreaming API providing real-time delivery of market data through persistent connections.33.4 QUODD Cloud Streaming APICloud Streaming pushes changing quote and trade fields continuously rather than requiring repeated REST pol...33.4 Helius LaserStreamLow-latency gRPC streaming of Solana account, slot, transaction, and block updates (Geyser-compatible).33.1 LiteLLM Realtime APIProvides /realtime WebSocket endpoints for real-time model interactions with load balancing and guardrails ...33.0 Respeecher Space Real-Time TTS APILow-latency real-time text-to-speech that begins streaming audio in under 200ms via three transports - one-...33.0 Aevo Exchange WebSocket APIReal-time WebSocket API for Aevo exchange providing low-latency streams for orderbook updates, trade feeds,...32.9 HTX WebSocket APIThe HTX WebSocket API provides a two-way real-time channel for subscribing to market data (klines, market d...32.7 Pushbullet Realtime Event StreamSecure WebSocket stream that delivers realtime events to a Pushbullet account, including periodic `nop` kee...32.4 Apache Pulsar Messaging APIPulsar messaging protocol for producing and consuming messages on topics, with support for multiple subscri...32.2 LiveKit Egress APIRecord rooms or stream them to RTMP / HLS endpoints; output to S3, GCS, Azure Blob.32.2 SimCorp Dimension Streaming APIReal-time streaming API for delivering live investment data, market updates and event-driven notifications ...32.1 XRPL WebSocket API (Mainnet)WebSocket interface to the XRP Ledger mainnet supporting all JSON-RPC methods plus real-time subscriptions ...32.1 Thru gRPC APIHigh-performance proto3 gRPC API (with gRPC-Web for browsers) for the Thru blockchain. QueryService exposes...31.8 Cisco NX-OS gNMI/gRPC APIgRPC Network Management Interface for streaming telemetry and configuration management on Nexus switches.31.7 Cisco NX-OS Model-Driven Telemetry APIStreaming telemetry interface for real-time operational data collection from Nexus switches using YANG models.31.7 Bloomberg B-PIPEReal-time streaming market data feed providing access to 35 million instruments across all asset classes, a...31.5 Vert.x gRPCA Vert.x-native gRPC implementation providing a reactive, non-blocking gRPC client and server built on top ...31.4 Lightwalletd gRPC APIA bandwidth-efficient gRPC service that provides a compact block streaming interface to the Zcash blockchai...31.1 Sourcegraph Streaming Search APIServer-sent-event API that streams search results as they are produced, used by the Sourcegraph UI and by i...30.9 Strimzi Operator APIThe Strimzi Operator API is expressed through Kubernetes Custom Resource Definitions (CRDs). Operators are ...30.8 Agora Broadcast Streaming APIThe Agora Broadcast Streaming API supports one-way large-scale content distribution with optimized bandwidt...30.6 ACTIV Web One API (AtlasFeed)WebSocket-based (WebAssembly) JavaScript/TypeScript market data API for browser and Node.js, installed as n...30.5 Rev AI Streaming Speech-to-Text APIReal-time speech transcription via WebSocket connections supporting up to 10 concurrent streams with a 3-ho...30.5 One Trading WebSocket Streams APIReal-time WebSocket API for market data (order book, price ticks, book ticker) and, after authenticating, p...30.4 Pushover Open Client APIReal-time client API for Pushover. Combines a WebSocket channel at wss://client.pushover.net/push that stre...30.2 Sense Street WebSocket APIReal-time streaming access to quotes and market activity extracted from broker conversations across multipl...30.2 BMW CarData Streaming APIThe BMW CarData Streaming API delivers near-real-time vehicle telematics over MQTT 3.1.1 with TLS. Clients ...30.1 PowerSync Sync Service APIThe PowerSync Service exposes a streaming sync protocol over HTTP/WebSocket that client SDKs connect to usi...30.1 Euronext Optiq Market Data Gateway (MDG)Low-latency real-time market data feed for Euronext cash and derivatives markets delivered as UDP multicast...29.9 Synthetix WebSocket Info APIPublic WebSocket API for real-time Synthetix market data subscriptions including live market prices, candle...29.9 Synthetix WebSocket Trade APIAuthenticated WebSocket API for real-time trading operations and account event streaming on Synthetix. Supp...29.9 Flowdock Streaming APILong-lived HTTP connection to stream.flowdock.com delivering real-time flow events. Two content types: newl...29.6 Kafka Consumer APIAPI for subscribing to topics and processing streams of records.29.3 Kafka Producer APIAPI for publishing streams of records to Kafka topics.29.3 Kafka Streams APIAPI for building stream processing applications and microservices on top of Kafka.29.3 Morgan Stanley API Platform (WebSocket Streaming)Alongside its REST APIs, the Morgan Stanley API Platform exposes streaming WebSocket APIs for onboarded ins...29.3 Fauna Event Streaming APIThe Fauna Event Streaming API enables real-time change data capture by maintaining an open connection to th...29.2 Apache Beam SDKThe Apache Beam SDK provides the programming model for constructing data processing pipelines. Available in...29.1 Rime TTS APIRealtime text-to-speech API supporting streaming HTTP, WebSocket, and SSE delivery for Arcana and Mist mode...28.7 ActionIQ Data Ingestion APIActionIQ provides a real-time REST API endpoint for streaming customer event data into the platform. The in...28.6 JW Player Delivery APIHigh-availability CDN-backed API for content embedding, playback metadata retrieval, poster images, streami...28.6 FirehoseOpen-source flat-file extraction layer that powers Substreams. Provides chain-specific gRPC streams of bloc...28.1 The Graph SubstreamsgRPC streaming protocol for parallelized blockchain dataflows backed by Firehose. Substreams power high-thr...28.1 BitMart Futures WebSocket APIThe BitMart Futures WebSocket API streams real-time derivatives market data and account updates through per...28.0 BitMart Spot WebSocket APIThe BitMart Spot WebSocket API delivers real-time streaming market data and private account updates via per...28.0 Blynk Device Streaming ProtocolBi-directional low-latency streaming connection protocol used by the Blynk Library and Blynk.Edgent to main...28.0 CoWorkr Stream APICoWorkr's real-time Stream API. Built on Node.js and DDP (the Meteor Distributed Data Protocol), it pushes ...28.0 Arkham Exchange WebSocket APIWebSocket API for Arkham Exchange streaming market data and private account events - real-time ticker, dept...27.8 HYPERLABS Radium gRPC API (TDR11100)Public gRPC control and acquisition interface for the HYPERLABS TDR11100 Time Domain Reflectometer. The pro...27.8 iHeartRadio Live Stations APIThe iHeartRadio Live Stations API provides access to live broadcast radio station information including sta...27.8 iHeartRadio Podcasts APIThe iHeartRadio Podcasts API enables search and discovery of podcasts available on the iHeartRadio platform...27.8 OddsJam Streaming APIThe Streaming API from OddsJam — 3 operation(s) for streaming.27.5 Ultraleap Tracking WebSocketAn open-source WebSocket server from Ultraleap that restores the LeapJS-compatible websocket surface remove...27.5 Apache KafkaOpen-source distributed event streaming platform governed by the Apache Software Foundation. Described as u...27.3 Apache PulsarOpen-source distributed messaging and streaming platform built for the cloud. Top-10 Apache Software Founda...27.3 Confluent CloudCommercial managed service from Confluent positioned as "the industry's only fully managed data streaming p...27.3 MaterializeStreaming SQL database based on incremental view maintenance. Continually ingests CDC from Postgres, Kafka,...27.3 RedpandaKafka API-compatible streaming data platform written in C++ (no JVM, no ZooKeeper). Self-described as an "A...27.3 TinybirdManaged ClickHouse-based SaaS for real-time analytics on event data. Ingests events via an HTTP Events API ...27.3

Emerging 58 Early or largely undocumented

Radio Cult Streaming APIThe Streaming API from Radio Cult — 1 operation(s) for streaming.25.7 Lyra WebSocket APIWebSocket API for real-time streaming of market data, order book updates, ticker subscriptions, and private...25.1 gRPC StreaminggRPC supports four call patterns — unary, server streaming, client streaming, and bidirectional streaming —...25.0 Amazon KinesisAWS managed family for real-time streaming: Kinesis Data Streams (shards, partition keys, 24h–365d retentio...24.4 Apache BeamUnified batch and streaming programming model. Beam pipelines run on multiple runners (Dataflow, Flink, Spa...24.4 Apache FlinkDistributed, stateful stream-processing engine with event-time semantics, windowing, watermarks, and exactl...24.4 Apache KafkaDistributed, partitioned, replicated log. The reference open-source streaming platform; durable, ordered to...24.4 Apache PulsarCloud-native, multi-tenant pub/sub and streaming platform with a tiered storage architecture (BookKeeper) t...24.4 Azure Event HubsMicrosoft's managed big-data streaming platform; Kafka-protocol compatible, partitioned, with Capture (deli...24.4 BytewaxOpen-source Python-native stream-processing framework built on Timely Dataflow; targets data scientists and...24.4 Confluent CloudManaged Kafka by the original Kafka authors. Cluster, topic, connector, KSQL, Schema Registry, Stream Gover...24.4 DebeziumChange-data-capture (CDC) platform that streams row-level database changes (Postgres, MySQL, MongoDB, SQL S...24.4 Google Cloud Pub/Sub and DataflowGCP's managed messaging (Pub/Sub) and stream-processing (Dataflow, built on Apache Beam) stack. Pub/Sub pro...24.4 GraphQL SubscriptionsThe GraphQL operation type for receiving a stream of updates over a long-lived transport (typically WebSock...24.4 gRPC StreaminggRPC defines four RPC styles, three of which are streaming: server streaming, client streaming, and bidirec...24.4 Kafka ConnectFramework and runtime for source/sink connectors that move data into and out of Kafka. Distributed mode run...24.4 MaterializeOperational data warehouse and streaming SQL database built on Differential Dataflow. Maintains incremental...24.4 NATS JetStreamPersistence layer for the NATS messaging system providing at-least-once and exactly-once streaming, key/val...24.4 RedpandaKafka-API-compatible streaming platform implemented in C++ with no ZooKeeper/JVM dependency. Single binary,...24.4 Server-Sent Events (SSE)One-directional HTTP-based streaming from server to client using the `text/event-stream` media type. Define...24.4 Spark Structured StreamingStream-processing API built on Spark SQL using a micro-batch (and experimental continuous) execution model....24.4 StreamNativeManaged Apache Pulsar as a service from Pulsar's original contributors, with multi-cloud clusters, Function...24.4 TinybirdReal-time analytics platform built on ClickHouse; ingests streams via HTTP, Kafka, or CDC, exposes SQL pipe...24.4 WebSocketFull-duplex, bidirectional streaming protocol over a single TCP connection, upgraded from HTTP. RFC 6455. F...24.4 Pendle Real-Time Feeds (Socket.IO)Real-time data feeds delivered over Socket.IO from `https://api-v2.pendle.finance/pendle-v2`. Clients conne...24.3 Unreal Pixel StreamingPixel Streaming streams an Unreal Engine application running on a server to remote browser clients over Web...24.2 ACTIV OnePlatform Web API (One API)WebSocket/WebAssembly JavaScript API for the ACTIV OnePlatform (Options Atlas), delivering real-time stream...24.1 Bitget WebSocket APIReal-time WebSocket API providing public and private channels for market data (tickers, candles, order book...23.9 SMLink Streaming-APIPartner-gated interface announced September 2025 that delivers real-time SM300 vessel telemetry and data fe...23.8 Pandora Developer APIThe Pandora Developer API provides GraphQL-based access to Pandora's music catalog of over 30 million track...23.4 HPE Aruba Networking Central Streaming APIThe Central Streaming API delivers real-time telemetry and event streams (location, presence, AppRF, audit,...23.1 http4s APIhttp4s is a typeful, functional, streaming HTTP library for Scala built on cats-effect and fs2. Provides se...23.0 Wordware WordApps APIRun deployed WordApps programmatically. Each published WordApp exposes a run endpoint (POST /api/released-a...23.0 AsyncAPI SpecificationAsyncAPI is the open standard for describing event-driven and message-driven APIs across protocols such as ...22.5 Microsoft Graph Stream Video APIMicrosoft Stream (on SharePoint) provides video management capabilities through Microsoft Graph and SharePo...22.5 DigiSelf Realtime APIREST + WebSocket API for driving real-time photorealistic AI avatars. Create meeting bots that join Google ...22.0 QuoteMedia Streaming Data Feed APIEnterprise tick-by-tick streaming feed for real-time or delayed Level 1 and Level 2 market data, normalized...22.0 Quotestream Connect for DevelopersSelf-service package for non-professional developers building personal applications, combining tick-by-tick...22.0 Netflix Open ConnectNetflix Open Connect is the purpose-built content delivery network that delivers Netflix streaming traffic....20.8 CoinDCX Streaming Socket.IO APIReal-time Socket.IO streaming at stream.coindcx.com for public spot and futures market data (orderbook dept...20.7 PySpark StreamingReal-time stream processing capabilities using DStreams and Structured Streaming.20.2 Nasdaq Cloud Data Service (NCDS) — Kafka StreamsReal-time Nasdaq market data delivered over Apache Kafka (TLS) with SASL/OAUTHBEARER authentication against...20.1 8i WebPlayerThe 8i WebPlayer (volcap-player.js) is an embeddable browser player for 8i PAT volumetric content, served f...20.0 Bloomberg Live Streaming APIEmbed or access Bloomberg TV live stream for licensed digital distribution on websites, apps, and digital p...20.0 Goldsky MirrorChange-data-capture pipelines that stream decoded onchain data from Goldsky's indexers into customer-manage...19.7 Goldsky TurboVectorized real-time data pipelines with SQL transforms over decoded onchain data, with the same multi-sink...19.7 Subaru SiriusXM APIIn-vehicle satellite and streaming audio service delivered through SiriusXM. Trial activation, subscription...19.4 Uforia Audio PlatformUforia is the largest Spanish-language audio platform in the United States, operating 40 radio stations and...18.4 ViX Streaming PlatformViX is the world's largest Spanish-language streaming service offering over 65,000 hours of content across ...18.4 Spire Aviation APIREST APIs and real-time event and tracking streams for global flight data, including space-based ADS-B posi...18.2 Peloton APIConceptual GraphQL schema for the Peloton connected fitness platform, derived from community reverse-engine...17.2 Upsolver SQLake APIHTTP API behind the Upsolver SQLake platform, used by the first-party Python SDK (DB API 2.0), CLI, and dbt...17.1 Jakarta WebSocketJakarta WebSocket defines a standard API for creating server and client endpoints that communicate using th...15.0 RTSP ImplementationsCommon open-source RTSP server and client implementations used in production. MediaMTX (formerly rtsp-simpl...14.9 RTSP ProtocolThe Real-Time Streaming Protocol (RTSP) is a stateful protocol defined in RFC 2326 (1.0) and RFC 7826 (2.0)...14.9 AMC Global MediaAMC Global Media delivers entertainment content through cable networks, FAST channels and subscription stre...14.1 8tracks API v3Historical public REST API for the 8tracks internet-radio platform. Exposes mix discovery and search, per-s...13.4 iQIYI SaaS OTT Developer APIRESTful API for the iQIYI SaaS / OTT platform, covering Video, Channel, Category, Album, Search, and Player...12.7

Minimal 2 Almost no public developer surface

MayStreet High Performance Query (HPQ) APILow-latency, near-time market data query API delivered as a streaming WebSockets service so clients can pro...9.7 Equinox+Consumer streaming fitness app delivering live and on-demand classes across SoulCycle, Pure Yoga, Precision...8.6

Unrated 1 Not yet scored

App.net Stream APIThe App.net Stream API — a RESTful, OAuth 2.0-secured social API covering posts, users, follows, channels/m...

Companies reaching this through an API (226)

These companies publish an API, specification or operation carrying “Streaming” 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.

1Forge 8x8 Aalyria ActionIQ Actionpower Adobe Analytics Aedifion aiOla Airbus OneAtlas Akka Allo-Media Ally Invest Amberdata Amplitude Apache Kafka Apache Storm API Specifications Apple Aptos Argmax Arkham Intelligence AssemblyAI AT Protocol Axway Bazel Bentley Systems Binance Binance.US Bitget BitMart Bitnomial Bitso Blockchain.com Blockdaemon Bloomberg Data Bloomberg Data Workflows Bloomberg Professional Service Bluesky Blynk Brocade BuiltWith Bunny.net Canonical Canvas LMS Capital Markets Gateway Cartesia Cisco Nexus Dashboard Clearbit (HubSpot Breeze Intelligence) Cloud Foundry Cloudflare

Show all 226 companies ↓

CoinDCX Companies House Convai Crypto.com Cumulocity Databento DeepL Dell Servers Deribit Deutsche Börse Dify dxFeed Edge Impulse Eko Health emnify EODHD Euronext Events F5 Fabric Origin Factiva fal Fauna Finage FlightAware Flowdock (Discontinued) FOREX.com GameAnalytics Gate.io Gemini Google BigQuery Google Gemini gRPC Hailo Helius HERE HPE Aruba Networking HTX Hugging Face Transformers HYPERLABS Hyperliquid Indeed Infoworks INRIX io.net iOS Itron Jack Henry & Associates Jakarta EE Jito Labs Juniper Mist AI Kalshi Korbit Kpler Lambda LBank Leap Motion LegendTrade LiteLLM LiveKit LMNT Lukka Lyra MaiCoin Maxar Maxar Technologies MayStreet Mercedes-Benz Mercedes me MEXC Moore Threads Morgan Stanley Morningstar Mudrex Mux Nasdaq Nasdaq Nasdaq Data Link NATS Oddpool OddsJam One Trading OpenAI OpenSea Oracle Oracle Hospitality Ostium Labs PandaScore Pendle Finance Planet Labs Plivo Point One Navigation Polygon Polymarket Power BI PowerSync PowerTrade Prezent Prometheus Proofpoint Pushbullet Pushover Quix R-Zero Realtime Refinitiv Refinitiv Eikon Regal Respeecher Restream Rhombus Systems Ribbon Finance Rime Ruby Programming Language and Popular API Gems RudderStack Runloop S&P Global Salesforce Salesforce Automation Salesforce Sales Cloud Salesforce Service Cloud Salesforce Service Cloud APIs Samsung Sanas Sanity Scala Sea Machines Robotics SEC API Sense Street Shodan Sift Stack Smallest AI Soundtrack Your Brand Sourcegraph SPAN Speechmatics Spire Global Spire Maritime Spring WebFlux Starlink Steam Subaru of America Swift Navigation Sygnum Synthetix tastytrade Telia Company Tensor The Graph ThetaData Thought Machine ThousandEyes TomTom Toolhouse TradeStation Trading Economics Trieve Trigger.dev Triton Inference Server Twelve Data Unreal Engine Unto Labs Validic Vert.x Vitess Vocode Voiceflow Voiceitt WazirX Wazo Webjet Webull Wordware Xignite XRP Ledger Zcash Zendesk

Score breakdown

Frequency

76.8

log-scaled weighted occurrences

Breadth

7.9

spread across providers

Quality lift

33.0

mean composite of providers using it

Cohesion

21.3

strength of nearest seed neighbor

Where this tag comes from

Provider tag288

Api tag378

Openapi tag19

Openapi op tag60

Cohort brief

Auto-generated

The 258 providers in the APIs.io catalog tagged Streaming, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

258

all scored

Mean Kin Score

30.9

+7.0 vs catalog 23.9

Mean Agent Readiness

17.1

+5.1 vs catalog 12

Spread

2.5–80.4

median 31.8 · σ 17.7

How the 258 split by band

Exemplar 3Strong 26Developing 52Thin 75Emerging 47Minimal 55

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Contract Quality	30.8	19.8	+11	258
Developer Ergonomics	33.4	23.4	+10	258
Operational Transparency	21.4	13.9	+7.5	258
Discoverability	65.1	61.2	+3.9	258
Access Clarity	29.9	26.5	+3.4	258
Contract Governance	8.6	6.4	+2.2	258

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	12%	10%	+2
MCP server (first-party)	18%	13%	+5
Agent Skills	0%	0%	0
OAuth scopes	15%	11%	+4
Security	98%	96%	+2
Arazzo workflows	4%	2%	+2
Governance rules	24%	14%	+10

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Svix 80.4
2 0xArchive 72.7
3 X 68.5
4 Dolby 65.7
5 Red5 65.6
6 Kontakt.io 65.3
7 Cloudera 64.9
8 Nexla 64.1
9 Dolby.io 63.1
10 Fastly 62.3

Work with this as data

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MCP server

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https://apis.io/mcp

Tools for tags

7 MCP tools reach this

find_tagsBrowse and filter every tag in the catalog.
get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

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This tag

curl "https://apis.io/api/v1/tags/streaming"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/streaming"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/streaming/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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Streaming

Providers using this tag (285)

APIs with this tag (368)