NMI's Payment API uses response codes to indicate transaction statuses, including, a response_code of 100 signifies that the transaction was approved.

The table in this article lists the various errors returned by the Payment Device SDK (formerly ChipDNA Mobile), and the reason for the error. Accept button pressed. Action aborted with cancel key. Action not permitted. Bluetooth is not enabled on this mobile device. Bluetooth is not supported on this mobile device. Connection failed.

400 - 461 Response Codes: Processor errors can be identified by their response codes, which are in the 400 range. Below is a list of possible processor response codes and their general description.

When experiencing any of the errors listed below the cardholder's bank is declining the charge and sending the error. Therefore, the merchant will have to reach out to their customer and the customer will reach out to their card issuing bank to know why the transaction was declined and how to correct the issue.

Below are all the possible NMI gateway response codes that you will receive when trying to process a transaction. These are returned directly from NMI in response to transaction processing, and are not CRM errors.

NMI (real-time) Response Codes:CSC Responses Transaction Responses

NMI response codes. GitHub Gist: instantly share code, notes, and snippets.

The NMI Status Codes determine if a NMI is used for a retail transfer. The NMI Status Code X is the only status not allowing NMI transfers between Retailers.

Please review the error code descriptions below to help rectify the issue. If a result code of 01 (declined) is returned with no error code, the request was unsuccessful. For 'Authorization' / 'PreAuth' requests, this will normally be a decline from the bank. If either a result code of 01 or an error is returned, the request was unsuccessful.

Whether you’re developing in iOS, Android, Windows or Linux, NMI has you covered. We have easy-to-use SDKs and payment gateway APIs for ecommerce, in-store, mobile and self-service integrations. NMI’s developer resources are comprehensive, refined and designed to …