---
title: "Add a User to a Single Tenant"
method: PUT
path: "/users/{user_id}/tenants/{tenant_id}"
tags: ["Tenant Memberships"]
---

# Add a User to a Single Tenant

`PUT /users/{user_id}/tenants/{tenant_id}`

## Request

- Base URL: `https://api.courier.com`
- URL: `https://api.courier.com/users/{user_id}/tenants/{tenant_id}`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/trycourier/apis/courier/docs/users/:user_id/tenants/:tenant_id/put.ts> (a function with typed inputs; its response is checked against the schema)

Adds a user to one tenant, optionally with a tenant-specific profile that overrides their workspace profile for sends in that tenant.

## Path parameters

- `user_id` string, required
- `tenant_id` string, required

## Request body

- object
  - `profile` object, nullable

## Response `204`

## Changes

- **2026-07-29** `f76bed79a913`: 2 info
  - api tag `Tenant Memberships` added
  - api tag `User Tenants` removed
- **2025-10-17** `e67d02739533`: 2 info
  - api tag `User Tenants` added
  - api tag `UsersTenants` removed

[Operation history](https://skmtc.dev/trycourier/apis/courier/changes/users/:user_id/tenants/:tenant_id/put.md)

---

[API](https://skmtc.dev/trycourier/apis/courier.md) - [All operations](https://skmtc.dev/trycourier/apis/courier/llms.txt) - [OpenAPI document](https://skmtc.dev/trycourier/apis/courier/revisions/cb8586034158?raw)