Frontline Billing API

openapi: 3.0.0
info:
  title: Public Account Billing API
  version: 1.0.0
  description: 'Public API for accessing agents, flows, and analytics.


    ## Authentication


    The Public API supports two API key types. Pass the key as a Bearer token:


    ```

    Authorization: Bearer <YOUR_API_KEY>

    ```


    ### Account API key (GENERAL)


    Account-level key that acts on behalf of the entire account. Required for account-level endpoints unless noted otherwise.


    ### User API key (USER)


    User-level key tied to a specific user. Required for write operations and user-owned resources. **Also accepted on all account-level endpoints.**


    Each operation documents which key type(s) it accepts in its **Security** section.'
  license:
    name: Proprietary
    url: https://www.getfrontline.ai/terms-and-conditions
servers:
- url: https://prod-api.getfrontline.ai
tags:
- name: Billing
  description: View billing plan details, credits, and renewal information
paths:
  /public/v1/billing:
    get:
      summary: Get billing plan details
      operationId: getBillingPlan
      description: Returns billing plan information including plan name, credits per month, credits used, and subscription renewal date.
      security:
      - accountApiKey: []
      - userApiKey: []
      tags:
      - Billing
      responses:
        '200':
          description: Billing plan details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingPlan'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      properties:
        ok:
          type: boolean
          enum:
          - false
          example: false
        error:
          $ref: '#/components/schemas/ErrorBody'
      required:
      - ok
      - error
    ErrorBody:
      type: object
      properties:
        code:
          type: string
          enum:
          - bad_request
          - unauthorized
          - forbidden
          - not_found
          - conflict
          - internal_error
          - cli_outdated
          example: unauthorized
        message:
          type: string
          example: Detailed error message
        details:
          type: object
          description: 'Optional structured details. Validation errors include `{ issues: [...] }`.'
          example:
            issues:
            - path:
              - name
              message: String must contain at least 1 character(s)
              code: too_small
      required:
      - code
      - message
    BillingPlan:
      type: object
      properties:
        planName:
          type: string
          nullable: true
          example: Professional
        creditsPerMonth:
          type: number
          nullable: true
          example: 5000
        creditsUsed:
          type: number
          example: 1250.5
        subscriptionRenews:
          type: string
          nullable: true
          example: '2026-03-25T00:00:00Z'
      required:
      - planName
      - creditsPerMonth
      - creditsUsed
      - subscriptionRenews
  securitySchemes:
    accountApiKey:
      type: http
      scheme: bearer
      bearerFormat: Account API Key
      description: Account-level API key (GENERAL). Authenticates on behalf of the entire account. Use for read-only and analytics endpoints marked as account-level in this documentation.
    userApiKey:
      type: http
      scheme: bearer
      bearerFormat: User API Key
      description: User-level API key (USER). Authenticates on behalf of a specific user. Required for write operations and user-owned resources. Also accepted on all account-level endpoints.
x-tagGroups:
- name: Agent Builder
  tags:
  - Agent Builder
  - Flows
  - Flow Variables
  - Intents
  - Agents
- name: Workflows
  tags:
  - Workflows
  - Workflow Variables
- name: Objects
  tags:
  - Objects
  - Object fields
  - Object options
  - Object record types
  - Object views
  - Object relations
  - Object rows
  - Object aggregations
  - Object activities
  - Object tasks
  - Object files
  - Object export
- name: Tables
  tags:
  - Tables
  - Table fields
  - Table options
  - Table rows
  - Table aggregations
  - Table activities
  - Table tasks
  - Table files
  - Table export
- name: Integrations
  tags:
  - Tools
  - Incoming Webhooks
- name: Core
  tags:
  - Account
  - AI Models
  - Billing