Error Codes
The API defines error codes to convey information about the possible issues. They are either generic or specific to an interaction mode (voice or messaging).
| Code | Type | Message |
|---|---|---|
| 10000 | Generic | Subprojects are not available as part of your currently selected subscription plan |
| 10001 | Generic | Space is not enabled to use requested feature |
| 10002 | Generic | Trial account does not support this feature |
| 10003 | Generic | API tokens can only have the following permissions: calling, chat, fax, management, messaging, numbers, pubsub, storage, tasking, and video |
| 10004 | Generic | The subproject ID provided cannot be found or does not belong to the project used to authenticate the request. |
| 11200 | Generic | HTTP Retrieval Failure |
| 11750 | Generic | The response body to SignalWire's request is larger than 64 kB. |
| 11751 | Generic | MMS -> Media exceeds mobile operator size limit |
| 12100 | Generic | Document Parse Failure |
| 12300 | Generic | Invalid Content-Type |
| 13221 | Generic | Dial -> Number: Invalid Method Value |
| 15002 | Generic | Call Progress: Queue Timeout |
| 21210 | Generic | 'From' phone number not verified |
| 21212 | Generic | Phone number is not in the correct format. Please use E.164 format, i.e. +15558675309 |
| 21217 | Generic | A call or SMS is placed to a destination which does not represent a valid phone number |
| 4000 | Number | Invalid capabilities for phone number. Allowed options are voice, fax, sms, and mms |
| 4001 | Number | Insufficient balance - cost for phone number resource is more than available balance |
| 21219 | Generic | 'To' phone number not verified |
| 21601 | Generic | From number is not an SMS-capable phone number. |
| 21602 | Generic | Message body is required |
| 21603 | Generic | The source 'From' phone number is required to send an SMS |
| 21604 | Generic | The destination 'To' phone number is required to send an SMS |
| 21610 | Generic | Attempt to send to unsubscribed recipient |
| 21611 | Generic | This 'From' number has exceeded the maximum number of queued messages |
| 21617 | Generic | The concatenated message body exceeds the 1600 character limit |
| 21620 | Generic | Invalid media URL(s) |
| 21623 | Generic | Number of media files exceeds allowed limit |
| 21717 | Messaging | Number must be assigned to a Campaign to send US traffic |
| 30002 | Messaging | Account suspended |
| 30003 | Messaging | Unreachable destination handset |
| 30004 | Messaging | Message blocked or opted out |
| 30005 | Messaging | Unknown destination handset |
| 30006 | Generic | Landline or unreachable carrier |
| 30007 | Messaging | Message marked as spam |
| 30008 | Messaging | Unknown error |
| 30010 | Messaging | Message price exceeds max price |
| 30022 | Messaging | Campaign Registry Throughput Limit Exceeded |
| 30027 | Messaging | T-Mobile Daily Message Limit Reached |
| 53603 | Messaging | Internal failure while processing media |