openapi: 3.2.0
info:
  title: Teler API Reference Utilities API
  summary: Programmable voice infrastructure for AI agents.
  description: 'The Teler API lets you place and control programmable voice calls, stream live

    audio to AI agents, and observe everything that happens on a call in real time.'
  contact:
    name: Teler support
    email: support@frejun.com
  version: 0.1.0
servers:
- url: https://api.frejun.ai
  description: Production
security:
- ApiKeyAuth: []
tags:
- name: Utilities
  description: Fetch short-lived, signed download URLs for call recordings.
paths:
  /api/v1/recordings:
    get:
      tags:
      - Utilities
      summary: Get a recording download URL
      description: Resolve a recording to a short-lived, signed download URL. The endpoint responds with a `302` redirect whose `Location` header points at the audio file; follow the redirect to download it. The signed URL expires after `expires_in` seconds (default 15 minutes).
      operationId: get_recording_download_url
      parameters:
      - name: recording_id
        in: query
        required: true
        schema:
          type: string
          description: Recording identifier (`rec_` prefix) or its canonical UUID.
          title: Recording Id
        description: Recording identifier (`rec_` prefix) or its canonical UUID.
      - name: expires_in
        in: query
        required: false
        schema:
          type: integer
          maximum: 86400
          minimum: 60
          description: Lifetime of the signed URL in seconds (60–86400). Defaults to 900.
          default: 900
          title: Expires In
        description: Lifetime of the signed URL in seconds (60–86400). Defaults to 900.
      responses:
        '302':
          description: Redirect to the signed recording URL.
          content:
            application/json:
              schema: {}
          headers:
            Location:
              description: The short-lived, signed URL of the recording audio.
              schema:
                type: string
                format: uri
        '403':
          description: The recording does not belong to your account.
          content:
            application/json:
              example:
                success: false
                message: You do not have permission to access this recording.
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: The recording exists but its audio is not available.
          content:
            application/json:
              example:
                success: false
                message: The requested recording was not found.
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: The request body or query parameters failed validation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ValidationErrorResponse'
components:
  schemas:
    ErrorResponse:
      properties:
        success:
          type: boolean
          title: Success
          description: Always `false` on an error response.
          default: false
        message:
          type: string
          title: Message
          description: Human-readable description of what went wrong. Safe to show to a user.
        code:
          anyOf:
          - type: string
          - type: 'null'
          title: Code
          description: Stable, machine-readable error code. Present on business-rule errors (e.g. `transfer_in_progress`). Branch on this, not on `message`.
        type:
          anyOf:
          - type: string
          - type: 'null'
          title: Type
          description: Error category (e.g. `invalid_state`). Present on some conflict errors.
      type: object
      required:
      - message
      title: ErrorResponse
      description: Standard error envelope returned for all non-validation errors.
      example:
        message: The requested call was not found.
        success: false
    ValidationFieldError:
      properties:
        loc:
          items: {}
          type: array
          title: Loc
          description: Path to the offending field, e.g. `["body", "to_number"]`.
        msg:
          type: string
          title: Msg
          description: Human-readable explanation of the problem.
        type:
          type: string
          title: Type
          description: Programmatic error type, e.g. `string_pattern_mismatch`.
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationFieldError
      description: One field-level problem within a `422` validation error.
    ValidationErrorResponse:
      properties:
        success:
          type: boolean
          title: Success
          description: Always `false`.
          default: false
        message:
          type: string
          title: Message
          description: Always `"Validation Error"` for this response.
          default: Validation Error
        errors:
          items:
            $ref: '#/components/schemas/ValidationFieldError'
          type: array
          title: Errors
          description: One entry per field that failed validation.
      type: object
      required:
      - errors
      title: ValidationErrorResponse
      description: Returned with `422` when the request fails schema validation.
      example:
        errors:
        - loc:
          - body
          - to_number
          msg: String should match pattern '^\+\d{7,15}$'
          type: string_pattern_mismatch
        message: Validation Error
        success: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: Your secret account API key. Create one in the Teler dashboard.