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OpenAPI Specification

openapi: 3.2.0
info:
  title: AgentLine — Prepaid Phone Service for AI Agents Health API
  description: 'AgentLine gives AI agents real US and Canada phone numbers, inbound/outbound voice calls, AI receptionists, transcripts, two-way SMS and live phone events. Use REST or MCP without signup: recharge and save agent_token. This endpoint adds prepaid credit with Base USDC x402 or Tempo MPP. $1 minimum recharge; numbers $3/30 days; connected calls $0.12/min (first-minute minimum, then per-second); SMS $0.02 sent or received. Other endpoints use prepaid balance and do not accept payments.'
  version: 0.3.0
  contact:
    name: AgentLine Support
    email: support@agentline.cloud
    url: https://agentline.cloud
  x-guidance: 'Recharge at GET or POST /v1/billing/topup/x402/pay with optional amount ($1-$1000). Retry the 402 challenge with exactly one Base x402 or Tempo MPP credential. Without signup, save the returned agent_token and use Authorization: Bearer <agent_token> for prepaid service operations and /mcp. Number leases cost $3 for 30 days; connected calls cost $0.12/min and require $0.50 available balance. No other endpoint accepts payments. Existing signup users may send their account Bearer token with recharge to credit that account. See /.well-known/agent-payments.json for configuration, numbers, calls, events and error guidance.'
servers:
- url: https://api.agentline.cloud
tags:
- name: Health
paths:
  /:
    get:
      tags:
      - Health
      summary: Root
      operationId: health_check
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
  /health:
    get:
      tags:
      - Health
      summary: Health
      description: Liveness probe for Railway. Keep this fast — never block on slow I/O.
      operationId: health_status
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
components:
  securitySchemes:
    API_Key_or_OAuth:
      type: http
      description: 'Pass an API key (`Authorization: Bearer al_live_xxx`) or an OAuth access token issued via the Claude.ai / MCP connect flow. Wallet agents use the payment-issued `agent_token` with the same Bearer header, without signup.'
      scheme: bearer
x-service-info:
  name: AgentLine - AI Phone Service
  description: 'AgentLine gives AI agents real US and Canada phone numbers, inbound/outbound voice calls, AI receptionists, transcripts, two-way SMS and live phone events. Use REST or MCP without signup: recharge and save agent_token. This endpoint adds prepaid credit with Base USDC x402 or Tempo MPP. $1 minimum recharge; numbers $3/30 days; connected calls $0.12/min (first-minute minimum, then per-second); SMS $0.02 sent or received. Other endpoints use prepaid balance and do not accept payments.'
  url: https://agentline.cloud
  iconUrl: https://api.agentline.cloud/favicon.png