---
title: "Add Participant"
method: POST
path: "/v1/sessions/{session_id}/participants"
tags: ["Participants"]
---

# Add Participant

`POST /v1/sessions/{session_id}/participants`

It is sometimes useful to add a participant to a session after the session has been created. It is possible to add a participant to a session that has already started, but not to a session that has already finished.

## Request body

- CreateParticipant
  - `display_name` string
  - `picture` string
  - `role` 'GUEST' | 'HOST' | 'PARTICIPANT'
  - `state` string
  - `phone` string

## Response `200`

Participant added

- Participant
  - `client_id` string, uuid, required
  - `display_name` string, uuid, required
  - `entry_url` string, uuid
  - `participant_id` string, uuid, required
  - `picture` string, uuid
  - `role` 'GUEST' | 'HOST' | 'PARTICIPANT', required
  - `session_id` string, uuid, required
  - `state` string
  - `user_hint` string
  - `deleted_at` string, date-time
  - `coviu_user_id` string, uuid
  - `phone` string

## Other responses

- `400` — 400

---

[API](https://skmtc.net/coviu/apis/coviu-rest-api.md) · [All operations](https://skmtc.net/coviu/apis/coviu-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/coviu/coviu-rest-api/versions/916aea0ed1a1/schema)