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

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

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

Generic

Message price exceeds max price

30022

Messaging

Campaign Registry Throughput Limit Exceeded