# Multiple Services Not Supported source: https://developer.mastercard.com/mastercard-developers-api/documentation/errors/multiple-services-not-supported/index.md Adding additional services to this project are not supported. ### Solution {#solution} You can not have more than one service in an Open Finance (formerly "Open Banking") project. ### API Error Response {#api-error-response} **HTTP code 409** ```JSON { "Errors": { "Error": [ { "Source": "DEVELOPERS_API", "ReasonCode": "MULTIPLE_SERVICES_NOT_SUPPORTED", "Description": "Adding additional services to this project is not supported.", "Details": "You can not have more than one service in an Open Banking project", "Recoverable": false } ] } } ``` [Back to Errors List](https://developer.mastercard.com/mastercard-developers-api/documentation/code-and-formats/index.md#list-of-common-api-errors)​​