---
title: "Attach a real call to a Number Health session"
method: POST
path: "/v1/number-health/sessions/{id}/attempts"
tags: ["Number Health"]
---

# Attach a real call to a Number Health session

`POST /v1/number-health/sessions/{id}/attempts`

## Request

- Base URL: `https://api.revdesk.com`
- URL: `https://api.revdesk.com/v1/number-health/sessions/{id}/attempts`
- Auth: HTTP bearer

Creates an audited attempt from an existing human WebRTC call. Server call events remain authoritative for answer state and duration.

## Path parameters

- `id` string, required

## Headers

- `Idempotency-Key` string

## Request body

- object
  - `phone_id` integer, required
  - `call_id` string, required

## Response `201`

Success

- object
  - `data` object, required
    - `id` string, required

## Other responses

- `400`: Validation error
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `409`: Conflict (incl. idempotency conflicts)
- `429`: Rate limited

---

[API](https://skmtc.dev/revdesk/apis/revdesk-v1-api.md) · [All operations](https://skmtc.dev/revdesk/apis/revdesk-v1-api/llms.txt) · [OpenAPI document](https://skmtc.dev/revdesk/apis/revdesk-v1-api/revisions/fcbd43530a48?raw)