When certain parameters of the API URL are not entered correctly, you will receive a response from the URL stating the type of error. These error descriptions will help you to pin-point the erroneous parameter in the URL and rectify it.
The common error codes received while using the API are in the format below:
Error  | Message  | 
A416  | Invalid Call ID/Mobile  | 
A417  | Invalid Message ID/Mobile  | 
A418  | Invalid Group ID/Campaign  | 
A419  | Invalid Group ID/Campaign  | 
A401A  | Method Not Implemented  | 
A404  | Your api account got suspended  | 
A402  | Api Key not found  | 
A401B  | Method Not Found  | 
A406  | Request is not allowed from this ip <ip>  | 
E402  | Parameter missing numbers  | 
E403  | Missing recipient  | 
E404  | Missing callerid  | 
E405  | No Valid mobile numbers found  | 
E406  | Parameter missing play  | 
E40  | Missing sound file or IVR  | 
E408  | Invalid sound file or IVR  | 
E409  | Invalid play option specified'  | 
E410  | IVR flow not found  | 
E411  | Invalid Caller or Caller ID not allowed  | 
E412  | Sound file not found  | 
E413  | Invalid schedule time. Minimum 15 min time gap is required  | 
E414  | Sound file not found  | 
E415  | Schedule minute should be in multiples of 15. minimum 15 minute  | 
E416  | Batch size should be greater or equal to 1000  | 
E418  | Error while saving the group details  | 
E419  | No Valid mobile numbers found  | 
E420  | Error occurred while saving details  | 
E421  | Error occurred while saving campaign details  | 
E422  | Missing sound file  | 
E601  | Parameter missing numbers  | 
E608  | No Valid mobile numbers found  | 
E603  | Parameter missing play  | 
E604  | Invalid play option specified  | 
E609  | An error occurred while saving group details  | 
H601  | Insufficient credits. Total 1. Required 0.4 more credits  | 
ERROR  | Maximum allowed file size is 10 MB  | 
ERROR  | An error while uploading file. Please try again  | 
ERROR  | Invalid file format  |