> ## Documentation Index
> Fetch the complete documentation index at: https://www.marqeta.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Look up user by deposit account number

> Looks up a user by their associated plain text deposit account number.

POST/depositaccounts/account/user

Looks up a user by their associated plain text deposit account number.

## Request body

| Fields | Description |
| - | - |
| account\_number string  Required | Deposit account number of the user you are looking up. **Allowable Values:**  Existing 13-17 digit deposit account number. |

## Sample response body

```json JSON expandable lines wrap theme={null}
{
  "token": "03cf3266-1e6c-43aa-833e-447d34e5ce26",
  "active": true,
  "gender": "M",
  "first_name": "John",
  "last_name": "Smith",
  "email": "john32@gmail.com",
  "address1": "6201 Doyle Street",
  "city": "Emeryville",
  "state": "CA",
  "postal_code": "94607",
  "country": "USA",
  "phone": "5105551212",
  "uses_parent_account": false,
  "password": "___________",
  "created_time": "2020-03-16T20:26:28Z",
  "last_modified_time": "2020-03-16T20:26:29Z",
  "metadata": {},
  "account_holder_group_token": "DEFAULT_AHG",
  "status": "ACTIVE",
  "identifications": [
    {
      "type": "DRIVERS_LICENSE",
      "value": "12345"
    }
  ],
  "birth_date": "1986-04-01"
}
```


## Related topics

- [Deposit Accounts v3 Overview](https://www.marqeta.com/docs/core-api/deposit-accounts-v3.md)
- [Simulate ACH Receiving](https://www.marqeta.com/docs/core-api/simulating-transactions/simulate-ach-receiving.md)
- [About Customer Due Diligence](https://www.marqeta.com/docs/developer-guides/about-customer-due-diligence.md)
- [List deposit accounts for a user](https://www.marqeta.com/docs/core-api/deposit-accounts-v4/list-deposit-accounts-for-user.md)
- [Retrieve deposit account](https://www.marqeta.com/docs/core-api/deposit-accounts-v4/retrieve-deposit-account-v4.md)