# Code and Formats
source: https://developer.mastercard.com/transaction-insights/documentation/code-and-formats/index.md

## Gateway Error Codes {#gateway-error-codes}

All the errors that the gateway returns follow the same data format.

Please refer to this page [Gateway Error Codes](https://developer.mastercard.com/platform/documentation/security-and-authentication/gateway-error-codes/) for further information.

## API Related Errors {#api-related-errors}

|     **Error/Reason Code**     |                       **Description**                        |                       **How to Resolve**                        |
|-------------------------------|--------------------------------------------------------------|-----------------------------------------------------------------|
| INVALID_DATA_TRANSACTIONTYPE  | Transaction type should be either ATM or POS                 | `transactionType` should be either 'ATM' or 'POS'.              |
| MISSING_DATA_TRANSACTIONTYPE  | Transaction Type Must not be null                            | `transactionType` Must not be null                              |
| INVALID_DATA_PERIOD           | Period should be either monthly or quarterly or yearly       | `period` should be either 'monthly' or 'quarterly' or 'yearly'. |
| MISSING_DATA_PERIOD           | Period Must not be null                                      | `period` Must not be null                                       |
| INVALID_DATA_COUNTRYCODE      | Country code should be MEX                                   | `countryCode` should be 'MEX'                                   |
| MISSING_DATA_COUNTRYCODE      | Country Code Must not be null                                | `countryCode` should be 'MEX'                                   |
| INVALID_DATA_REPORTQUARTER    | Report Quarter should be 1 to 4                              | Accepted Value for field `reportQuarter` is 1 to 4.             |
| MISSING_DATA__REPORTQUARTER   | For a Quarterly period, report quarter must not be null      | For a Quarterly period, 'reportQuarter' must not be null        |
| MISMATCHED_DATA_REPORTQUARTER | Report quarter should not be provided when period is Monthly | `reportQuarter` should not be provided when period is Monthly   |
| INVALID_DATA_REPORTYEAR       | Report year must be a 4 digit numeric                        | Report year must be a 4 digit numeric                           |
| MISSING_DATA_REPORTYEAR       | Report Year Must not be null                                 | `reportMonth` must must not be null.                            |
| INVALID_DATA_REPORTMONTH      | Report month must be a valid 2 digit numeric from 01 to 12   | `reportMonth` must be a valid 2 digit numeric                   |
| MISSING_DATA_REPORTMONTH      | For a Monthly period, report month must not be null          | For a Monthly period,                                           |
| MISMATCHED_DATA_REPORTMONTH   | Report month should not be provided when period is Quarterly | Report month should not be provided when period is Quarterly    |
| RESOURCE_NOT_FOUND            | No data found with the requested payload                     |                                                                 |

## Code and Formats {#code-and-formats}

### Errors Overview {#errors-overview}

We use standard HTTP response codes for success and failure notification, and our error are further classified by `error_type`. In general 200 HTTP codes correspond to success, 40X codes are for developer or user related failures.

| **Status Code** |      **Response**      |                                        **Description**                                        |
|-----------------|------------------------|-----------------------------------------------------------------------------------------------|
| 200             | OK                     | Everything worked as expected.                                                                |
| 204             | NO CONTENT             | The server successfully executed the method, but No data was found with the provided payload. |
| 400             | BAD REQUEST            | The request was unacceptable, often due to a missing a required parameter.                    |
| 403             | FORBIDDEN              | The API key does not have permissions to perform the request.                                 |
| 404             | NOT FOUND              | The requested resource does not exists.                                                       |
| 405             | NOT ALLOWED            | The server does not implement the requested HTTP Method.                                      |
| 415             | UNSUPPORTED MEDIA TYPE | The server does not implement the media type that would be acceptable to the client.          |