---
title: "POST /detect"
method: POST
path: "/detect"
---

# POST /detect

`POST /detect`

Detect merchant accounts with a user's email.

## Request body

- object
  - `external_user_id` string, required — Your unique identifier for the user.
  - `email` string, required — The user's email address.
  - `phone_number` string — The user's phone number in E.164 format. Optional.

## Response `202`

Successful request.

- object
  - `message` string — Success message.

## Other responses

- `400` — Bad request.
- `401` — Unauthorized request.
- `403` — Forbidden request.
- `429` — Rate limit exceeded.
- `500` — Internal server error.

---

[API](https://skmtc.net/knotapi/apis/knot-api.md) · [All operations](https://skmtc.net/knotapi/apis/knot-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/knotapi/knot-api/versions/4610832c2087/schema)