This section details the possible errors you can receive in a request to a Payson API server.
| Parameter | Description | 
|---|---|
| errorList.error(n).errorId | A number that uniquely identifies an error. | 
| errorList.error(n).message | A description of errorId. | 
| errorList.error(n).parameter | Indicates which submitted parameter caused the error. Only included where appropriate. | 
| Code | Message | 
|---|---|
| 500000 | System error. | 
| 520002 | Internal error. | 
| 520003 | Authentication failed; Credentials were not valid. | 
| 520005 | The merchant account is locked. | 
| 539041 | An email account is not receive enabled. | 
| 579008 | Number of primary receivers exceeds 1. | 
| 579009 | If PaysonGuarantee is offered, there may be at most one receiver | 
| 580021 | Invalid parameter – too long. | 
| 580022 | Your request was invalid. Check the parameter of the error to see which is invalid. | 
| 580028 | A URL supplied with the request is malformed. | 
| 580029 | A required parameter was not provided. Check the error parameter list. | 
| 580030 | The amount is below the minimum limit. | 
| 580031 | The amount is above the maximum limit. | 
| 589018 | Invalid payment token | 
| 589053 | All payment methods have been disabled for this combination of funding constraint, merchant and receiver. | 
| 590001 | The total amount specified for receivers does not match the total amount specified by the order items. | 
| 590005 | Not all related order item parameters where specified. All or none of unitPrice, quantity, taxPercentage and sku must be set. | 
| 590006 | Invoice requires one receiver. | 
| 590007 | Invoice requires fee on receiver. | 
| 590008 | Invoice requires that order items are specified. | 
| 590009 | Invoice payments are not available to this merchant. | 
| 590010 | The requested action is not possible in the current state of the payment. | 
| 590011 | The amount on the invoice is below the minimum limit. | 
| 590012 | Invoice does not support the selected currency. | 
| 590013 | The invoice fee out of the valid range. | 
| 590015 | The receiver is not allowed to receive invoices. | 
| 590016 | The sender and receiver is the same user. | 
| 590018 | The requested action is not possible for the current type of payment. | 
| 590020 | A primary receiver is required for this kind of payment. |