# Delete User
source: https://developer.mastercard.com/priceless-planet-carbon-tracker/documentation/testing/testcase/test_case_delete_user/index.md

The **Delete User** service allows the Issuer to delete one or more users from the Carbon Calculator Experience API.

## Pre-requisites {#pre-requisites}

Refer to the [Delete User](https://developer.mastercard.com/priceless-planet-carbon-tracker/documentation/use-cases/delete_user/index.md) use case details.


API Reference: `GET /issuers/user-deletions`

<br />

## Test Cases {#test-cases}

### Test Case: Success - Delete Users {#test-case-success---delete-users}

##### Request {#request}

```json
[
  "c8b38606-12b2-43c6-a641-be8eb0ab9dec"
]
```

##### Response {#response}

Response Code : `202`

```json
[
  "c8b38606-12b2-43c6-a641-be8eb0ab9dec"
]
```

### Test Case: Fail - Invalid user ID format {#test-case-fail---invalid-user-id-format}

##### Request {#request-1}

```json
[
  "c8b38606-12b2-43c6-a641-be8eb0ab9dec12"
]
```

##### Response {#response-1}

```json
{
 "Errors": {
   "Error": [
     {
       "Source": "CARBON CALCULATOR EXPERIENCE",
       "ReasonCode": "INVALID_REQUEST_PARAMETER",
       "Description": "One of the request parameters is invalid, try again with correct request.",
       "Recoverable": true,
       "Details": "userId must match \"^[0-9A-Fa-f\\-]{36}\""
     }
   ]
 }
}
```