---
title: "Retell provider webhook"
method: POST
path: "/api/v1/novasynth/webhooks/retell/{endpointId}"
tags: ["NovaSynth", "Webhooks"]
---

# Retell provider webhook

`POST /api/v1/novasynth/webhooks/retell/{endpointId}`

## Request

- Base URL: `https://dev.noveum.ai`
- URL: `https://dev.noveum.ai/api/v1/novasynth/webhooks/retell/{endpointId}`
- Auth: API key in cookie `apiKeyCookie` and HTTP bearer

Same signing model as Vapi/Pipecat until native Retell signing is implemented.

## Path parameters

- `endpointId` string, required

## Request body

- object
  - `call` object, required
    - `call_id` string, required
    - `transcript` string
    - `transcript_object` unknown[]
      - unknown
    - `recording_url` string
    - `call_cost` unknown
    - `duration_ms` number

## Response `200`

Success

- object

## Other responses

- `201`: Created
- `400`: Bad request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `409`: Conflict
- `422`: Unprocessable entity
- `500`: Internal server error

---

[API](https://skmtc.dev/noveum/apis/noveum-api.md) · [All operations](https://skmtc.dev/noveum/apis/noveum-api/llms.txt) · [OpenAPI document](https://skmtc.dev/noveum/apis/noveum-api/revisions/1745e27f38d0?raw)