---
title: "Submit embedded auth flow steps"
method: POST
path: "/v2/single-immediate-payments/{sip_id}/embedded-auth-steps/{step_id}/submission"
tags: ["Payments"]
---

# Submit embedded auth flow steps

`POST /v2/single-immediate-payments/{sip_id}/embedded-auth-steps/{step_id}/submission`

Some of the European banks require the embedded authorisation flow, which consists of multiple steps provided by the banks. Each step can be submitted via this endpoint. The response will include the information for the step to follow.

## Path parameters

- `sip_id` string, required
- `step_id` string, required

## Response `200`

Response of the embedded auth flow step submission

## Other responses

- `400` — Invalid request
- `403` — Your are not authorised for the action
- `500` — Internal error
- `502` — Provider error

---

[API](https://skmtc.net/truelayer/apis/authentication-server.md) · [All operations](https://skmtc.net/truelayer/apis/authentication-server/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/truelayer/authentication-server/versions/5f6051515b2c/schema)