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OpenAPI Specification

openapi: 3.2.0
info:
  title: AI2Fin Financial Management Subscription API
  description: Financial management platform with AI-powered categorization, tax optimization, and bill management.
  version: 1.0.0
  contact:
    name: AI2Fin Support
    url: https://ai2fin.com
  license:
    name: Proprietary
servers:
- url: https://api.ai2fin.com
  description: Production
- url: http://localhost:3001
  description: Local Development
security:
- bearerAuth: []
- cookieAuth: []
tags:
- name: Subscription
  description: Subscription and quota management
paths:
  /api/subscription/status:
    get:
      tags:
      - Subscription
      summary: Get subscription status
      description: Retrieve user subscription tier and usage quotas
      responses:
        '200':
          description: Subscription status retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SubscriptionStatus'
      operationId: getApiSubscriptionStatus
      x-operation-id-source: derived
components:
  schemas:
    SubscriptionStatus:
      type: object
      properties:
        tier:
          type: string
          enum:
          - free
          - starter
          - professional
          - enterprise
        status:
          type: string
          enum:
          - active
          - trial
          - expired
          - cancelled
        quotas:
          type: object
          properties:
            transactionsLimit:
              type: integer
            transactionsUsed:
              type: integer
            aiCallsLimit:
              type: integer
            aiCallsUsed:
              type: integer
        expiryDate:
          type: string
          format: date-time
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: First-party access token for your own signed-in session, obtained from the /api/enterprise-auth/login endpoint. The REST API returns your own account data to you — it is a first-party consumer surface, not a third-party integration channel. Data from connected bank feeds (open-banking / CDR data) is your own data, returned only to you in your own authenticated session.
    cookieAuth:
      type: apiKey
      in: cookie
      name: ai2_sess
      description: Session cookie for web applications
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: 'API key for the MCP Inspector endpoint (/mcp/inspector) only. Generate your own key via /api/api-keys. Format: mcp_<64 hex characters>. API keys carry mcp:* scopes and authenticate MCP Inspector operations — they are not accepted on the REST API (/api/...) or the main MCP endpoint (/mcp), which use OAuth bearer tokens.'