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

# List recent chats

> Returns recent answers AI engines gave back for your prompts. Add `promptId` to see only one prompt's chats.



## OpenAPI

````yaml /api/openapi.json get /chats
openapi: 3.1.0
info:
  title: ZeroRank REST API
  version: 1.0.0
  description: >-
    The public ZeroRank REST API. Every request uses a workspace API key (Bearer
    `zr_live_…`) and only ever sees that one workspace. Use it to read your
    results and manage your prompts, brands, tags, and topics from your own
    scripts and tools.
servers:
  - url: https://api.zerorank.ai/api/v1
    description: Production
security:
  - bearerAuth: []
tags:
  - name: Workspace
    description: The workspace, plan, and key behind your request.
  - name: Prompts
    description: The questions ZeroRank asks AI engines for you.
  - name: Brands
    description: The brands you track, including competitors.
  - name: Tags
    description: Labels you put on prompts.
  - name: Topics
    description: Groups you sort prompts into.
  - name: Analytics
    description: 'Read-only results: sources, chats, and rankings.'
paths:
  /chats:
    get:
      tags:
        - Analytics
      summary: List recent chats
      description: >-
        Returns recent answers AI engines gave back for your prompts. Add
        `promptId` to see only one prompt's chats.
      operationId: listChats
      parameters:
        - name: promptId
          in: query
          description: Only return chats for this prompt.
          required: false
          schema:
            type: integer
        - name: limit
          in: query
          description: How many chats to return (1–50). Defaults to 20.
          required: false
          schema:
            type: integer
            minimum: 1
            maximum: 50
            default: 20
      responses:
        '200':
          description: Recent chats.
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Chat'
                  message:
                    type: string
                    example: Chats retrieved successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    Chat:
      type: object
      properties:
        id:
          type: string
        promptId:
          type: integer
          example: 101
        question:
          type: string
          example: What is the best CRM for small teams?
        aiModel:
          type: string
          example: chatgpt
        location:
          type: string
          example: United States
        sourceCount:
          type: integer
          example: 6
        citationCount:
          type: integer
          example: 6
        createdAt:
          type: string
          format: date-time
    Error:
      type: object
      properties:
        success:
          type: boolean
          example: false
        message:
          type: string
          description: A human-readable explanation.
        code:
          type: string
          description: A short error code, when one applies.
        errors:
          description: Field-level details, on validation errors.
  responses:
    Unauthorized:
      description: The API key is missing, invalid, revoked, or expired.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            success: false
            message: Invalid, revoked, or expired API key
            code: API_KEY_INVALID
    RateLimited:
      description: >-
        Too many requests. Slow down and retry after the time in the
        `Retry-After` header.
      headers:
        Retry-After:
          schema:
            type: integer
          description: Seconds to wait before retrying.
        X-RateLimit-Limit:
          schema:
            type: integer
          description: Your per-minute limit.
        X-RateLimit-Remaining:
          schema:
            type: integer
          description: Requests left in this window.
        X-RateLimit-Reset:
          schema:
            type: integer
          description: Unix time when the window resets.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            success: false
            message: API rate limit exceeded. Please slow down.
            code: RATE_LIMIT_EXCEEDED
            retryAfter: 30
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Send your workspace API key as `Authorization: Bearer zr_live_…`.'

````