# ACH Request Validation, Response & Return Codes

The following articles explain ACH request validation, rosponse and return codes used for testing purposes:

* [ACH Request Validation Codes](https://docs.xplorpay.com/api-reference/resources/ach-request-validation-response-and-return-codes/ach-request-validation-codes)
* [ACH Response Codes](https://docs.xplorpay.com/api-reference/resources/ach-request-validation-response-and-return-codes/ach-response-codes)
* [ACH Return Codes](https://docs.xplorpay.com/api-reference/resources/ach-request-validation-response-and-return-codes/ach-return-codes)