AsyncAPI
Providers using this tag (10)
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
APIs with this tag (41)
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 9 Complete, well-documented, and agent-ready
Wistia WebhooksReal-time webhook deliveries from Wistia for documented media lifecycle events. Deliveries are HTTP POST wi...Stoplight SpectralSpectral is an open-source JSON and YAML linter for creating automated API style guides and governance rule...Azure Web PubSub Client and Upstream EventsAsyncAPI 2.6 description of the Azure Web PubSub client WebSocket subprotocols (json.webpubsub.azure.v1 and...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...Remote WebhooksRemote emits webhook events for every meaningful state change across companies, employments, contractors, p...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...Azure Event Hubs Messaging APIEvent-driven messaging API for publishing and consuming events via AMQP 1.0, Kafka, and HTTPS protocols. Su...
Strong 7 Solid coverage with minor gaps
Talkdesk Webhook SurfaceAsyncAPI 2.6 description of Talkdesk's publicly documented outbound webhook surface, covering the Events AP...Oracle GoldenGate Async APIManage AsyncAPI specifications for data streamsPaystack WebhooksOutbound webhook surface that notifies a single merchant-configured POST endpoint of transaction, dispute, ...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, ...Frontegg WebhooksAsyncAPI 2.6 description of Frontegg's outbound webhook surface. Covers authentication, MFA, user lifecycle...Storyblok WebhooksStoryblok emits webhook events when content actions occur in a space such as story publication, unpublicati...
Developing 5 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...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...ChartMogul WebhooksOutbound webhook destination for ChartMogul. ChartMogul POSTs JSON event bodies to a subscriber-configured ...
Thin 17 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.Vimeo WebhooksAsyncAPI 2.6 specification for Vimeo's documented webhook surface, covering the Vimeo OTT customer and subs...Mattermost WebSocket APIReal-time WebSocket event stream for Mattermost v4. Clients connect to /api/v4/websocket, authenticate via ...Bunny.net Stream WebhooksSigned HTTP POST webhooks delivered by Bunny Stream to the WebhookUrl configured on a Video Library wheneve...Column WebhooksHMAC-SHA256 signed event callbacks for ACH, wire, international wire (SWIFT), realtime (RTP/FedNow), book t...Wix WebhooksThe Wix webhook surface delivers signed JWT events to subscriber URLs registered in the Wix Dev Center. Eve...LiveKit Signaling Protocol (WebSocket)Bi-directional WebSocket signaling protocol used by LiveKit clients to coordinate WebRTC sessions with the ...Materialize Streaming Sources and Sinks (AsyncAPI)AsyncAPI 2.6 description of Materialize's event-driven integration surface: Kafka sources (CREATE SOURCE .....Honeybadger Outbound Webhook NotificationsOutbound webhook notification surface delivered by Honeybadger to subscriber URLs configured via Project Se...EasyPost Webhooks APIAsynchronous Event delivery surface. EasyPost POSTs Event objects to subscriber URLs whenever asynchronous ...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...Acuity Scheduling WebhooksAsyncAPI 2.6 definition for Acuity Scheduling's outbound webhook surface. Models the documented appointment...Kalshi AsyncAPI SpecificationMachine-readable AsyncAPI description of the Kalshi WebSocket streaming API. Suitable for generating async ...
Emerging 3 Early or largely undocumented
Crisp Realtime (Webhooks + RTM) v1Crisp realtime surface combining HTTP Web Hooks (signed plugin hooks and unsigned website hooks) and the So...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 (33)
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
Azure Event Hubs
Azure Web PubSub
Bunny.net
Canvas
Celigo
ChartMogul
Column
Crisp
EasyPost
Etsy
Frontegg
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
42.5
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
41.9
mean composite of providers using it
Cohesion
6.8
strength of nearest seed neighbor
Related tags
Event-Driven 6 co-occurrences
OpenAPI 6 co-occurrences
WebSocket 6 co-occurrences
Streaming 11 co-occurrences
Event 26 co-occurrences
Real-Time 13 co-occurrences
Webhook 27 co-occurrences
Group 6 co-occurrences
Where this tag comes from
Api tag41
Provider tag10
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.