> For the complete documentation index, see [llms.txt](https://prepaidify.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prepaidify.gitbook.io/docs/kyc-sharing-api/integration-options.md).

# Integration Options

**Request domain name.**

| Environment | Domain                                |
| ----------- | ------------------------------------- |
| test        | <https://sbx-user-api.prepaidify.com> |
| product     | <https://pro-user-api.prepaidify.com> |

**Request Header**

For each request, the request header should include the following three parameters.

| Element              | Mandatory | Data Type | Remarks                                                                                                                                                  |
| -------------------- | --------- | --------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ach-access-key       | Y         | string    | Partner unique appKey, once a merchant has been on-boarded with Prepaidify, the merchant will be provided with the credentials with appKey and appSecret |
| ach-access-timestamp | Y         | string    | UTC time with 13 digit to represent time in milliseconds, expiration period is 5 minutes.                                                                |
| ach-access-sign      | Y         | string    | SHA256(timestamp + method + requestPath + body), please refer to Signature Description for more information                                              |