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OpenAPI Specification

openapi: 3.2.0
info:
  title: Cayra License Server Stripe Webhook API
  description: '# Cayra Chat Agent - License Management Server


    Centralized license management for on-premise deployments.


    ## Features


    - 🔑 License key generation (installation, update, trial)

    - ⏰ Dynamic expiry management (extend/shorten licenses)

    - 🔄 Activation tracking and monitoring

    - 💓 Heartbeat mechanism (1-hour intervals)

    - 📊 Audit logging for compliance

    - 🔐 JWT tokens with RSA-4096 encryption


    ## API Categories


    ### Admin Endpoints (Requires API Key)

    Manage licenses, view activations, update expiry dates.


    ### Client Endpoints (Public)

    Activate licenses, send heartbeats, check status.


    ## Authentication


    Admin endpoints require API key in header:

    ```

    X-Admin-API-Key: your-admin-key-here

    ```


    ## Security


    - 🔒 RSA-4096 asymmetric encryption

    - 🔐 JWT tokens for offline validation

    - 📝 Complete audit trail

    - 🛡️ Rate limiting (Phase 6)'
  contact:
    name: Cayra AI Team
    email: support@cayra.ai
  license:
    name: Proprietary
  version: 1.0.0
tags:
- name: stripe-webhook
paths:
  /api/v1/stripe/webhook:
    post:
      tags:
      - stripe-webhook
      summary: Stripe Webhook
      description: 'Receive and process Stripe webhook events.


        Stripe sends events here for:

        - checkout.session.completed → activate subscription

        - invoice.paid → monthly renewal, top up credits (future)

        - customer.subscription.deleted → deactivate subscription (future)'
      operationId: stripe_webhook_api_v1_stripe_webhook_post
      parameters:
      - name: stripe-signature
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Stripe-Signature
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError