---
title: "Assign a Credential to an ACS User"
method: POST
path: "/acs/credentials/assign"
tags: ["/acs"]
---

# Assign a Credential to an ACS User

`POST /acs/credentials/assign`

Assigns a specified [credential](/low-level-apis/access-systems/managing-credentials) to a specified [access system user](/low-level-apis/access-systems/user-management).

## Request body

- object
  - `acs_credential_id` string, uuid, required — ID of the credential that you want to assign to an access system user.
  - `acs_user_id` string, uuid — ID of the access system user to whom you want to assign a credential. You can only provide one of acs_user_id or user_identity_id.
  - `user_identity_id` string, uuid — ID of the user identity to whom you want to assign a credential. You can only provide one of acs_user_id or user_identity_id. If the ACS system contains an ACS user with the same `email_address` or `phone_number` as the user identity that you specify, they are linked, and the credential belongs to the ACS user. If the ACS system does not have a corresponding ACS user, one is created.

## Response `200`

OK

- object

## Other responses

- `400` — Bad Request
- `401` — Unauthorized

---

[API](https://skmtc.net/seam/apis/seam-connect.md) · [All operations](https://skmtc.net/seam/apis/seam-connect/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/seam/seam-connect/versions/00c35395ce12/schema)