AsyncAPI
Providers using this tag (11)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Developing 1 Usable, with meaningful gaps to close
Thin 4 Limited public surface area
Minimal 1 Almost no public developer surface
APIs with this tag (42)
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 6 Complete, well-documented, and agent-ready
Stoplight SpectralSpectral is an open-source JSON and YAML linter for creating automated API style guides and governance rule...Qlik Cloud System EventsThe Qlik Cloud tenant event surface: 29 AsyncAPI 3.0.0 documents covering 102 message definitions across ap...Regal Reporting WebhooksRegal publishes 40+ reporting webhook event types covering agent activity, call lifecycle (placed, complete...Wistia WebhooksReal-time webhook deliveries from Wistia for documented media lifecycle events. Deliveries are HTTP POST wi...Canvas Live EventsCanvas Live Events stream lifecycle events emitted by Canvas (course, enrollment, assignment, submission, g...Wappalyzer Crawl APIDeep crawl API that indexes multiple pages of a website to build a comprehensive technology profile, suppor...
Strong 7 Solid coverage with minor gaps
Remote WebhooksRemote emits webhook events for every meaningful state change across companies, employments, contractors, p...Kensho Scribe Real Time APIReal-time streaming transcription over a WebSocket at wss://scribe.kensho.com/ws. Clients send an Authentic...Knock Outbound WebhooksOutbound webhooks fire message lifecycle (sent, delivered, seen, read, interacted, archived, link_clicked, ...Oracle GoldenGate Async APIManage AsyncAPI specifications for data streamsPaystack WebhooksOutbound webhook surface that notifies a single merchant-configured POST endpoint of transaction, dispute, ...Azure Event Hubs Messaging APIEvent-driven messaging API for publishing and consuming events via AMQP 1.0, Kafka, and HTTPS protocols. Su...Frontegg WebhooksAsyncAPI 2.6 description of Frontegg's outbound webhook surface. Covers authentication, MFA, user lifecycle...
Developing 6 Usable, with meaningful gaps to close
Etsy Open API v3 WebhooksAsyncAPI 2.6 description of Etsy's outbound webhook surface for the Open API v3. Covers the four documented...Storyblok WebhooksStoryblok emits webhook events when content actions occur in a space such as story publication, unpublicati...Azure Web PubSub Client and Upstream EventsAsyncAPI 2.6 description of the Azure Web PubSub client WebSocket subprotocols (json.webpubsub.azure.v1 and...Razorpay WebhooksEvent-driven webhook surface that POSTs JSON payloads to a merchant-configured HTTPS endpoint when subscrib...Rollbar WebhooksRollbar supports outbound webhook notifications for real-time event-driven integrations. Webhooks deliver p...Celigo integrator.io Webhook ListenersInbound webhook listeners exposed by integrator.io. Each listener provides an auto-generated public HTTPS U...
Thin 20 Limited public surface area
Fortellis AsyncAPI Hello World ReferenceHello World AsyncAPI reference distributed by Fortellis to teach the asynchronous API pattern, channel topo...Fortellis Event Relay Data Plane Proxy (AsyncAPI)AsyncAPI specification for the Fortellis Event Relay data-plane proxy used by event sources to publish even...Roku Async APIThe Async API API from Roku — 3 operation(s) for async api.ChartMogul WebhooksOutbound webhook destination for ChartMogul. ChartMogul POSTs JSON event bodies to a subscriber-configured ...Mattermost WebSocket APIReal-time WebSocket event stream for Mattermost v4. Clients connect to /api/v4/websocket, authenticate via ...Vimeo WebhooksAsyncAPI 2.6 specification for Vimeo's documented webhook surface, covering the Vimeo OTT customer and subs...Bunny.net Stream WebhooksSigned HTTP POST webhooks delivered by Bunny Stream to the WebhookUrl configured on a Video Library wheneve...Wix WebhooksThe Wix webhook surface delivers signed JWT events to subscriber URLs registered in the Wix Dev Center. Eve...Honeybadger Outbound Webhook NotificationsOutbound webhook notification surface delivered by Honeybadger to subscriber URLs configured via Project Se...Column WebhooksHMAC-SHA256 signed event callbacks for ACH, wire, international wire (SWIFT), realtime (RTP/FedNow), book t...Materialize Streaming Sources and Sinks (AsyncAPI)AsyncAPI 2.6 description of Materialize's event-driven integration surface: Kafka sources (CREATE SOURCE .....EasyPost Webhooks APIAsynchronous Event delivery surface. EasyPost POSTs Event objects to subscriber URLs whenever asynchronous ...LiveKit Signaling Protocol (WebSocket)Bi-directional WebSocket signaling protocol used by LiveKit clients to coordinate WebRTC sessions with the ...Apicurio Data ModelsApicurio Data Models is a Java and TypeScript library for parsing, validating, and manipulating OpenAPI and...Apicurio RegistryApicurio Registry is a high-performance, runtime registry for schemas and API designs. It stores and manage...Apicurio StudioApicurio Studio is a visual, zero-code API design tool for creating and editing OpenAPI and AsyncAPI specif...Kalshi AsyncAPI SpecificationMachine-readable AsyncAPI description of the Kalshi WebSocket streaming API. Suitable for generating async ...Acuity Scheduling WebhooksAsyncAPI 2.6 definition for Acuity Scheduling's outbound webhook surface. Models the documented appointment...Talkdesk Webhook SurfaceAsyncAPI 2.6 description of Talkdesk's publicly documented outbound webhook surface, covering the Events AP...Crisp Realtime (Webhooks + RTM) v1Crisp realtime surface combining HTTP Web Hooks (signed plugin hooks and unsigned website hooks) and the So...
Emerging 3 Early or largely undocumented
AMQP Messaging APIAsyncAPI specification for AMQP messaging patterns including publish/subscribe, request/reply, and point-to...SpectralSpectral is a flexible JSON/YAML linter and style guide enforcer with built-in support for OpenAPI (v3.1, v...SpecLynx OpenAPI ToolkitA VS Code extension providing semantic editing, real-time validation, linting, and live preview for OpenAPI...
Companies reaching this through an API (31)
These companies publish an API, specification or operation carrying “AsyncAPI” 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.
Acuity Scheduling
AMQP
Azure Event Hubs
Azure Web PubSub
Canvas
Celigo
ChartMogul
Crisp
EasyPost
Etsy
Honeybadger
Kalshi
Knock
LiveKit
Materialize
Mattermost
Oracle GoldenGate
Paystack
Qlik Sense
Razorpay
Regal
Remote
Roku
Rollbar
S&P Global
Storyblok
Talkdesk
Vimeo
Wappalyzer
Wistia
Wix
Score breakdown
Frequency
45.7
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
37.3
mean composite of providers using it
Cohesion
7.5
strength of nearest seed neighbor
Related tags
Event-Driven 7 co-occurrences
API Design 5 co-occurrences
OpenAPI 7 co-occurrences
Real-Time 14 co-occurrences
Event 24 co-occurrences
Streaming 11 co-occurrences
WebSocket 6 co-occurrences
Messaging 9 co-occurrences
Where this tag comes from
Api tag42
Provider tag12
Openapi tag2
Openapi op tag5
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.