Knock

Knock Workflow Triggers API

The Workflow Triggers API from Knock — 2 operation(s) for workflow triggers.

Documentation GitHub OpenAPI

Operations 2

POST /v1/notify/cancel Cancel workflow #

POST /v1/notify Trigger workflow #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
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

curl for this page

This API

curl "https://apis.io/api/v1/apis/knock-app-workflow-triggers-api"

All apis

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

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Knock Audiences Accounts Workflow Triggers API
  version: '1.0'
  description: Manage static Audiences and their members. Audiences power lifecycle messaging — when a user joins an audience, configured workflows fire automatically.
  contact:
    name: Knock
    url: https://knock.app
  license:
    name: Proprietary
servers:
- url: https://api.knock.app
  variables: {}
security:
- BearerAuth: []
tags:
- name: Workflow Triggers
paths:
  /v1/notify/cancel:
    post:
      callbacks: {}
      description: Cancels a previously triggered workflow using the provided cancellation key.
      operationId: cancelWorkflow (2)
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Cancel Request'
        description: Cancel Payload
        required: true
      responses:
        '204':
          description: No Content
      summary: Cancel workflow
      tags:
      - Workflow Triggers
      x-ratelimit-tier: 3
  /v1/notify:
    post:
      callbacks: {}
      description: Triggers a workflow with the given key, actor, recipients, and optional data.
      operationId: triggerWorkflow
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Notify Request'
        description: Notify Payload
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Notify Response'
          description: OK
      summary: Trigger workflow
      tags:
      - Workflow Triggers
      x-ratelimit-tier: 3
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Knock API key as a Bearer token. Use a public key (pk_...) for client-side requests or a secret key (sk_...) for server-side.

Knock Workflow Triggers API

Operations 2

Documentation

Specifications

Schemas & Data

Other Resources