---
title: "Associate Items to a User"
method: POST
path: "/user/items/associate"
tags: ["plaid"]
---

# Associate Items to a User

`POST /user/items/associate`

Associates Items to the target user. If an Item is already associated to another user, the Item will be disassociated with the existing user and associated to the target user. This operation supports a max of 100 Items.

## Request body

- UserItemsAssociateRequest — UserItemsAssociateRequest defines the request schema for `/user/items/associate`
  - `client_id` string — Your Plaid API `client_id`. The `client_id` is required and may be provided either in the `PLAID-CLIENT-ID` header or as part of a request body.
  - `secret` string — Your Plaid API `secret`. The `secret` is required and may be provided either in the `PLAID-SECRET` header or as part of a request body.
  - `user_id` string, required — A unique `user_id` generated by Plaid for the client-provided `client_user_id`. This field is currently in beta.
  - `item_ids` ItemId[], required — An array of `item_id`s to be associated with the `user_id`.

## Response `200`

OK

- UserItemsAssociateResponse — UserItemsAssociateResponse defines the response schema for `/user/items/associate`
  - `request_id` string, required — A unique identifier for the request, which can be used for troubleshooting. This identifier, like all Plaid identifiers, is case sensitive.

## Other responses

- `default` — Error response

## Changes

- **2025-10-22** `af4b6e71d87f` — 1 warning
  - added the new `SIGNAL_ERROR` enum value to the `error_type` response property for the response status `default`
- **2025-09-02** `af95b7b9aa93` — 1 info
  - endpoint added
- **2024-02-21** `5de70cc1e6ca` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/plaid/apis/the-plaid-api/changes/user/items/associate/post.md)

---

[API](https://skmtc.dev/plaid/apis/the-plaid-api.md) · [All operations](https://skmtc.dev/plaid/apis/the-plaid-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/plaid/the-plaid-api/revisions/af4b6e71d87f/schema)