Cogny Webhooks API

openapi: 3.1.0
info:
  title: Cogny Reports Webhooks API
  version: '1'
  description: Cogny is an AI marketing platform. The REST API exposes the Report Builder (AI-generated growth reports with SSE streaming), Growth Tickets, and warehouse resources. Authentication is a Bearer API key (sk_live_* / sk_test_*).
  contact:
    name: Cogny
    url: https://cogny.com
  termsOfService: https://cogny.com/terms
servers:
- url: https://api.cogny.com/v1
  description: Production
security:
- bearerAuth: []
tags:
- name: Webhooks
  description: Webhook subscription configuration.
paths:
  /webhooks:
    post:
      operationId: createWebhook
      summary: Configure a webhook subscription
      tags:
      - Webhooks
      security:
      - bearerAuth:
        - write
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                url:
                  type: string
                  format: uri
                events:
                  type: array
                  items:
                    type: string
      responses:
        '201':
          description: Webhook subscription created.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    BadRequest:
      description: Invalid request.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        success:
          type: boolean
          enum:
          - false
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            details:
              type: object
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Bearer API key. Production keys are prefixed sk_live_, test keys sk_test_. MCP-issued anonymous keys are prefixed cogny_lite_.
    apiKeyHeader:
      type: apiKey
      in: header
      name: X-API-Key
      description: Legacy API-key header (equivalent to Bearer).
    oauth2:
      type: oauth2
      description: OAuth 2.1 (DCR + PKCE) for MCP clients.
      flows:
        authorizationCode:
          authorizationUrl: https://cogny.com/api/mcp/oauth/authorize
          tokenUrl: https://cogny.com/api/mcp/oauth/token
          scopes:
            read: Read access
            write: Write access
            tickets:read: Read tickets
            tickets:write: Write tickets