---
title: "POST a User Under a Partner's SSO-Enabled Client Account"
method: POST
path: "/partner/accounts/{encoded_account_id}/users/sso"
tags: ["Technology Partners"]
---

# POST a User Under a Partner's SSO-Enabled Client Account

`POST /partner/accounts/{encoded_account_id}/users/sso`

Use this endpoint to create a new user under a partner client account that has the Single Sign On (SSO) for all users feature enabled.

## Path parameters

- `encoded_account_id` string, required

## Request body

- SSOUser — Specify client account user's details. All fields are required.
  - `first_name` string, required — The client account user's first name.
  - `last_name` string, required — The client account user's last name.
  - `role_name` string, required — The role (<code>account_manager</code> or <code>campaign_creator</code>) to assign the client account user.
  - `contact_email` string, required — The unique email address to associate with the new client account user.
  - `login_name` string, required — The login name to associate with the new client account user.
  - `external_id` string, required — The unique ID used to identify the client account user to the external authenticator.
  - `external_provider` string, required — The unique name used to identify the external provider used to authenticate the client account user. For a list of external providers, contact the Constant Contact Partner Team.

## Response `201`

Request successful.

## Other responses

- `400` — Bad request. Either the JSON was malformed or there was a data validation error.
- `401` — The Access Token used is invalid.
- `403` — Forbidden request. You lack the necessary scopes, you lack the necessary user privileges, or the application is deactivated.
- `409` — Conflict. The resource you are creating or updating conflicts with an existing resource.
- `500` — There was a problem with our internal service.

---

[API](https://skmtc.net/cc/apis/appconnect-v3.md) · [All operations](https://skmtc.net/cc/apis/appconnect-v3/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cc/appconnect-v3/revisions/4b4a534c818d/schema)