---
title: "Lead Voice Session"
method: POST
path: "/api/leads/{lead_id}/voice-session"
---

# Lead Voice Session

`POST /api/leads/{lead_id}/voice-session`

Create a WebRTC voice session for a specific lead.

## Path parameters

- `lead_id` string, required

## Request body

- LeadVoiceSessionRequest — Request to create a WebRTC voice session for a lead.
  - `session_id` string, nullable
  - `provider` 'ultravox'

## Response `200`

Successful Response

- LeadVoiceSessionResponse — Response containing voice session details for a lead.
  - `join_url` string, required
  - `session_id` string, required
  - `call_id` string, required
  - `provider` string, required
  - `lead_name` string, nullable
  - `agent_name` string, nullable
  - `workspace_name` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/outcallerai/apis/fastapi.md) · [All operations](https://skmtc.net/outcallerai/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/outcallerai/fastapi/versions/4cbf44e1d4fd/schema)