> For the complete documentation index, see [llms.txt](https://docs.rocketfuel.inc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rocketfuel.inc/developer-guides/api-reference/payins/rocketfuel-ui-integration/transaction-lookup/lookup-using-auth.md).

# Lookup using Auth

RKFL system offers Transaction lookup functionality. The merchant should have access token to call Transaction lookup API, Authentication API can be used to get access token.

<mark style="color:green;">`POST`</mark> `/purchase/transactionLookup`

#### Headers

| Name                                            | Type   | Description                      |
| ----------------------------------------------- | ------ | -------------------------------- |
| Authorization<mark style="color:red;">\*</mark> | String | "Bearer" + merchant access token |
| Content-Type<mark style="color:red;">\*</mark>  | String | application/json                 |

#### Request Body

| Name                                   | Type   | Description                                                                      |
| -------------------------------------- | ------ | -------------------------------------------------------------------------------- |
| txId<mark style="color:red;">\*</mark> | String |                                                                                  |
| type                                   | String | <p>Allowed values:</p><p>     'TXID', 'ORDERID'<br><br>Default value: 'TXID'</p> |

{% tabs %}
{% tab title="200: OK Success" %}

```javascript
{
    "ok": true,
    "result": {
        "id": "f84d01c4-587f-496f-8b7e-6bad916e95dd",
        "status": 1,
        "meta": {
            "hash": {
                "value": [
                    "66ce480ab083bc352dc852f440a3d671afde583d44da8b7ca2288225ff46aae2",
                    "5fcb0933fea8b80080c5f4ed2f4786b1acc5b33bbd71327dff6e0add96a4031d"
                ],
                "network": "ethereum"
            },
            "offerId": "DEFG123"
            "receiverAddress": "0xEcb977e1d467FC5f8Deb0f0dc4D7b7D0E96Fa6F9"
        },
        "totalAmount": "0.00130036",
        "receivedAmount": "0.0015",
        "currency": "USD",
        "crytoCurrency": "ETH"
    }
}
```

{% endtab %}
{% endtabs %}

For more information on transaction statuses, [click here](/developer-guides/api-reference/payins/rocketfuel-ui-integration/transaction-statuses.md) to access the full guide.