Knock Workflow Triggers API

openapi: 3.0.3
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.