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 ``` ### 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