> ## Documentation Index
> Fetch the complete documentation index at: https://docs.agentline.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# List Messages

> List SMS messages sent and received by your AI agents.

Returns message history with optional filters by AI agent or
conversation. Each entry includes direction (inbound/outbound),
phone numbers, message body, and delivery status.



## OpenAPI

````yaml /openapi.json get /v1/messages
openapi: 3.1.0
info:
  title: AgentLine
  description: >-
    AgentLine gives every AI agent a real phone number, a human-like voice, and
    the ability to make and receive calls and SMS autonomously. This SDK covers
    the core developer surface: agents, numbers, calls, messages, events,
    webhooks, billing, and voice.
  version: 0.3.0
  summary: Phone numbers, voice, and SMS for AI agents.
  contact:
    name: AgentLine
    url: https://agentline.cloud
  license:
    name: MIT
    url: https://opensource.org/license/mit
servers:
  - url: https://api.agentline.cloud
    description: Production
security:
  - API Key or OAuth: []
paths:
  /v1/messages:
    get:
      tags:
        - Messages
      summary: List Messages
      description: |-
        List SMS messages sent and received by your AI agents.

        Returns message history with optional filters by AI agent or
        conversation. Each entry includes direction (inbound/outbound),
        phone numbers, message body, and delivery status.
      operationId: list_messages
      parameters:
        - name: agent_id
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Filter messages by AI agent ID
            title: Agent Id
          description: Filter messages by AI agent ID
        - name: conversation_id
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Filter messages by conversation thread ID
            title: Conversation Id
          description: Filter messages by conversation thread ID
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            maximum: 200
            minimum: 1
            description: Maximum number of messages to return (1-200)
            default: 50
            title: Limit
          description: Maximum number of messages to return (1-200)
        - name: offset
          in: query
          required: false
          schema:
            type: integer
            minimum: 0
            description: Number of messages to skip for pagination
            default: 0
            title: Offset
          description: Number of messages to skip for pagination
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - API Key or OAuth: []
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    API Key or OAuth:
      type: http
      description: >-
        AgentLine API key. Get one via the email OTP flow (POST /v1/auth/otp
        then POST /v1/auth/verify). Pass as: Authorization: Bearer sk_live_...
      scheme: bearer
      bearerFormat: API key (sk_live_...)
      x-fern-bearer:
        name: apiKey
        env: AGENTLINE_API_KEY

````