# Finalize a test-mode authorization's amount

Finalize the amount on an Authorization prior to capture, when the initial authorization was for an estimated amount.

## Request

```curl
curl https://api.stripe.com/v1/test_helpers/issuing/authorizations/{{AUTHORIZATION_ID}}/finalize_amount \
  -u "<<YOUR_SECRET_KEY>>" \
  -d final_amount=1000
```

### Response

```json
{
  "id": "iauth_1DPc772eZvKYlo2C6avLyZ25",
  "object": "issuing.authorization",
  "amount": 1000,
  "amount_details": {
    "atm_fee": null,
    "cashback_amount": null
  },
  "approved": true,
  "authorization_method": "chip",
  "balance_transactions": [],
  "card": "ic_1Nsse72eZvKYlo2CWBGm2WQ5",
  "cardholder": "ich_1Ccy6F2eZvKYlo2ClnIm9bs4",
  "created": 1540586461,
  "currency": "usd",
  "livemode": false,
  "merchant_amount": 1000,
  "merchant_currency": "usd",
  "merchant_data": {
    "category": "automated_fuel_dispensers",
    "category_code": "5542",
    "city": "San Francisco",
    "country": "US",
    "name": "Rocket Rides",
    "network_id": "1234567890",
    "postal_code": "94107",
    "state": "CA",
    "terminal_id": null
  },
  "metadata": {},
  "network_data": null,
  "pending_request": null,
  "redaction": null,
  "request_history": [],
  "status": "reversed",
  "transactions": [],
  "verification_data": {
    "address_line1_check": "not_provided",
    "address_postal_code_check": "match",
    "cvc_check": "match",
    "expiry_check": "match"
  },
  "wallet": null
}
```

## Returns

An Authorization object

## Parameters

- `final_amount` (integer, required)
  The final authorization amount that will be captured by the merchant. This amount is in the authorization currency and in the [smallest currency unit](https://docs.stripe.com/currencies.md#zero-decimal).

- [`fleet`](https://docs.stripe.com/api/issuing/authorizations/test_mode_finalize_amount.md?query=fleet) (object, optional)
  Fleet-specific information for authorizations using Fleet cards.

- [`fuel`](https://docs.stripe.com/api/issuing/authorizations/test_mode_finalize_amount.md?query=fuel) (object, optional)
  Information about fuel that was purchased with this transaction.