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

# List Participants

> Returns all participant profiles for the authenticated account.

<Info>
  For the full Participant data model, see [Participant](/core/participant).
</Info>


## OpenAPI

````yaml api-reference/openapi-participants.json POST /list-participants
openapi: 3.1.0
info:
  title: Heify API — Participants
  description: Endpoints for creating, retrieving, and managing Participants.
  version: 1.0.0
servers:
  - url: https://api.heify.com
security:
  - apiKeyAuth: []
paths:
  /list-participants:
    post:
      summary: List Participants
      description: >-
        Returns all participant profiles for the authenticated account. No
        request body required — send an empty object `{}`.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
            examples:
              ListAll:
                summary: List all participants
                value: {}
      responses:
        '200':
          description: Participants returned successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListParticipantsResponse'
              examples:
                Success:
                  summary: Participant listing
                  value:
                    data:
                      items:
                        - participant_id: 1f77a5f5-ac38-42c6-999d-45f02d11d121
                          tag: juan pedro
                          metadata:
                            empresa: leroy
                            language: español
                            role: manager
                          created_at: '2026-03-21T13:23:18.069124+00:00'
                          updated_at: '2026-03-21T13:23:18.088360+00:00'
                        - participant_id: 580cc0e1-3a60-49d9-8e20-1745252f0aae
                          tag: Pedro Borrado
                          metadata:
                            email: ejep@gg.com
                          created_at: '2026-03-03T19:30:35.377560+00:00'
                          updated_at: '2026-03-03T19:30:35.397110+00:00'
                      count: 2
components:
  schemas:
    ListParticipantsResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            items:
              type: array
              items:
                $ref: '#/components/schemas/ParticipantObject'
              description: List of participant profiles.
            count:
              type: integer
              description: Total number of participants returned.
    ParticipantObject:
      type: object
      properties:
        participant_id:
          type: string
          format: uuid
          description: Unique identifier for this participant.
        tag:
          type: string
          description: Human-readable label for this participant. Max 100 characters.
        metadata:
          type: object
          nullable: true
          description: >-
            Arbitrary key-value pairs. All values are stored as strings. Max 10
            keys; key names max 50 characters; values max 250 characters.
        created_at:
          type: string
          format: date-time
          description: Creation timestamp (ISO 8601).
        updated_at:
          type: string
          format: date-time
          description: Last updated timestamp (ISO 8601).
      required:
        - participant_id
        - tag
        - created_at
        - updated_at
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````