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 |
|---|---|---|
10002 | Generic | Trial account does not support this feature |
11200 | Generic | HTTP Retrieval Failure |
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 |
21217 | Generic | A call or SMS is placed to a destination which does not represent a valid phone number |
21219 | Generic | 'To' phone number not verified |
21601 | Generic | Phone number is not a valid SMS-capable inbound 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 |
30002 | Messaging | Account suspended |
Messaging | Unreachable destination handset | |
30004 | Messaging | Message blocked or opted out |
Messaging | Unknown destination handset | |
Generic | Landline or unreachable carrier | |
Messaging | Message marked as spam | |
Messaging | Unknown error | |
30010 | Generic | Message price exceeds max price |
Messaging | Campaign Registry Throughput Limit Exceeded | |
53603 | Messaging | Internal failure while processing media |