Sample Response Codes
Sample response Codes obtainable are below. Note that this list is not exhaustive.
| Response Code | Response description |
| E10 | The service field tag has not been populated. Please ask Interswitch Support for more help. |
| E11 | This requests expects a transactionType field to be set and it is not. Please ask Interswitch Support for more help |
| E12 | SecurityToken header is missing. |
| E13 | Username or password is wrong. |
| E14 | Missing content type header. |
| E15 | The transaction you are trying to do is not supported |
| E16 | The service you have specified is not available |
| E17 | The service provider you have specified has not been set up on the platform. |
| E18 | The service is unreachable at the moment |
| E19 | A bad response was received from service provider |
| E20 | Your request has timed out |
| E21 | An unknown error has occurred. Please ask Interswitch Support for more help. |
| E22 | Access key has not been supplied. Ensure the Authorization header has been set appropriately. |
| E23 | Nonce has not been supplied. Ensure the Nonce header has been set appropriately. |
| E24 | Please synchronize your time with the server and ensure your time is not outside of 30mins of the Server local time.
The standard time zone used is GMT |
| E25 | Nonce has already been used |
| E26 | Signature failed for this request. Please ask Interswitch Support for more help. |
| E27 | An unknown error occured during Authentication. Please ask Interswitch Support for more help. |
| E28 | Your credentials do not have access to this resource |
| E29 | Timestamp is missing in your header |
| E30 | SecurityToken header is bad. |
| E31 | XML data is badly formatted |
| E32 | JSON data is badly formatted |
| E33 | Keystore is not accessible. Contact Interswitch. |
| E34 | The system is busy at the moment, please try again later. |
| E35 | Bad request to service provider. Contact Interswitch. |
| E36 | Bad request to service processor. Contact Interswitch. |
| E37 | Bad request from client. Kindly check your message. |
| E38 | Bad response from service provider. Contact Interswitch. |
| E39 | Bad response from service processor. Contact Interswitch. |
| E40 | Bad response to client. Contact Interswitch. |
| E41 | Bad request from client. Kindly check your message. |