---
title: "Add a participant to the call."
method: POST
path: "/calling/serverCalls/{serverCallId}/participants"
tags: ["ServerCall"]
---

# Add a participant to the call.

`POST /calling/serverCalls/{serverCallId}/participants`

Add a participant to the call.

## Path parameters

- `serverCallId` string, required

## Query parameters

- `api-version` string, required

## Request body

- AddParticipantRequest — The add participant request.
  - `alternateCallerId` PhoneNumberIdentifier — unresolved $ref
  - `participant` CommunicationIdentifier — unresolved $ref
  - `operationContext` string — The operation context.
  - `callbackUri` string — The callback URI.

## Response `202`

Returns the add participant response.

- AddParticipantResult — The add participant result
  - `participantId` string — The id of the added participant.

## Other responses

- `400` — BadRequest
- `401` — Unauthorized
- `403` — Forbidden
- `404` — NotFound
- `500` — InternalServerError

---

[API](https://skmtc.dev/azure/apis/communication-callingserver.md) · [All operations](https://skmtc.dev/azure/apis/communication-callingserver/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/communication-callingserver/revisions/85ed6f36b472/schema)