# Checkbook Fields setting

![](/files/MzKU0T6hsVj2p7NW436f)

| **Field**           | **Description**                                                                                     |
| ------------------- | --------------------------------------------------------------------------------------------------- |
| **Web service Url** | <p>Sandbox: <https://sandbox.checkbook.io/v3/></p><p>Produciton: <https://www.checkbook.io/v3/></p> |
| **Api Key**         | From developer tab copy API Key. See below                                                          |
| **Secret Key**      | From developer tab copy Secret Key. See below                                                       |

***Important Note***\
To retrieve the keys from Checkbook, navigate to checkbook.io account. Navigate to Settings > Developer.

**Note:** Keys for Sandbox and Production environment are different and needs to be appropriately applied.

![](/files/-MM-AXPmj9rZBddaHclk)


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