Anchor Browser Billing API

openapi: 3.1.0
info:
  title: AnchorBrowser Agentic capabilities Billing API
  version: 1.0.0
  description: APIs to manage all browser-related actions and configuration.
servers:
- url: https://api.anchorbrowser.io
  description: API server
tags:
- name: Billing
paths:
  /v1/billing:
    get:
      summary: Get Billing Info
      description: Retrieves credit balance, current-period credit usage, tier, and billing limits for the authenticated project.
      security:
      - api_key_header: []
      tags:
      - Billing
      responses:
        '200':
          description: Billing information retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingInfoResponse'
              examples:
                billingInfo:
                  summary: Example billing info
                  value:
                    data:
                      credits: 42.5
                      credits_used: 12.5
                      included_credits: 50
                      billing_period: 2026-04
                      tier: monthly_starter
                      gifts_balance: 42.5
                      max_concurrent_browsers: 25
                      cost_limit: 100
        '401':
          description: Invalid API Key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    BillingInfoResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            credits:
              type: number
              description: Available credit balance for the authenticated project.
            credits_used:
              type: number
              description: Credits used in the current billing period.
            included_credits:
              type: number
              description: Credits included in the current tier before overage.
            billing_period:
              type: string
              description: Current billing period in YYYY-MM format.
            tier:
              type: string
              description: Billing tier for the project.
            gifts_balance:
              type: number
              description: Available gift or prepaid credit balance before applicable overage.
            max_concurrent_browsers:
              type: number
              description: Maximum concurrent browser sessions allowed for the project. `-1` means unlimited.
            cost_limit:
              type: number
              nullable: true
              description: Optional configured credit spend limit for the project.
          required:
          - credits
          - credits_used
          - included_credits
          - billing_period
          - tier
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: integer
            message:
              type: string
  securitySchemes:
    api_key_header:
      type: apiKey
      in: header
      name: anchor-api-key
      description: API key passed in the header