What are the reason for error codes received under the API failed?


Error codes are displayed if there's an issue in the message sent by you. Click on the respective code to find out the reason for failed SMS and also to know what that particular code means.

You can also find the reasons for all the error codes for API below:

101 Missing mobile number
102 Missing message
104 Missing username
105 Missing password
201 Invalid username or password. 201 also appears in case the XML code triggered is incorrect.
202 Invalid mobile number
203 Invalid sender ID or DLT Entity Id Missing
207 Invalid authentication key
208 IP is blacklisted
209 Default route not found
Route could not be determined. Please contact support
211 DLT Template Id Missing
301 User does not have sufficient balance to send SMS
302 Expired user account
303 Banned user account
306 This route is currently unavailable
307 Schedule time is incorrect
308 Campaign name cannot be more than 32 characters
309 Selected group(s) does not belong to you
310 SMS is too long. System paused this request automatically
311 When the same SMS content is sent to the same number within 10 seconds. This is a security feature used to avoid multiple deliveries.The first SMS will be delivered and the second will be rejected. The balance will also be deducted only once.
400 Flow ID Missing or Invalid Flow
401 Flow Not Yet Approved
403 Flow is disabled
418 IP not whitelisted
506 Internal error, please contact your account manager
601 Internal error, please contact your account manager
602 Your current route is disabled, kindly select another route
603 This sender ID is blacklisted, please use a different sender ID
604 Please enter at least one correct number to send SMS
606 Scheduled date cannot be more than three weeks
607 Please enter campaign name
608 Scheduled SMS cannot be less than current end time

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