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API Error Codes

In the case of an API request failure a non-200 HTTP status code will be set.
The following specific error fields will also be set in the response body:

ParameterTypeDescription
api-errorintegerThe API error code. If set and > 0 then an API error has occurred and your request could not be completed
api-error-msgstringThe API error message detail

List of Server-Side Error Codes

Neutrino API can return the following error codes:

Error CodeHTTP StatusError Message
1 400 MISSING OR INVALID PARAMETER
2 400 DAILY API LIMIT EXCEEDED
3 400 INVALID URL
4 400 ACCOUNT OR IP BANNED
5 400 NOT RESPONDING. RETRY IN 5 SECONDS
6 400 TOO MANY CONNECTIONS
7 400 ACCOUNT NOT VERIFIED
8 400 TELEPHONY NOT ENABLED ON YOUR ACCOUNT. PLEASE CONTACT SUPPORT FOR HELP
9 400 INVALID JSON. JSON CONTENT TYPE SET BUT NON-PARSABLE JSON SUPPLIED
10 400 ACCESS DENIED. PLEASE CONTACT SUPPORT FOR ACCESS TO THIS API
11 400 MAXIMUM SIMULTANEOUS PHONE CALLS
12 400 COULD NOT LOAD AUDIO FROM URL
13 400 HLR LIMIT REACHED. CARD DECLINED
14 400 CALLS AND SMS TO THIS NUMBER ARE LIMITED
15 400 CALL IN PROGRESS
16 400 FREE PLAN LIMIT EXCEEDED
17 400 RENDERING FAILED. COULD NOT GENERATE OUTPUT FILE
18 400 THIS API IS DEPRECATED. PLEASE USE THE LATEST VERSION
19 400 MAXIMUM ACCOUNT CREDIT LIMIT REACHED. PAYMENT METHOD DECLINED
21 400 BATCH PROCESSING NOT ENABLED FOR THIS ENDPOINT
22 400 BATCH PROCESSING NOT AVAILABLE ON YOUR PLAN
23 400 BATCH PROCESSING REQUEST LIMIT EXCEEDED
24 400 INVALID BATCH REQUEST. DOES NOT CONFORM TO SPEC
31 400 DAILY API LIMIT EXCEEDED. SET BY ACCOUNT HOLDER
43 403 ACCESS DENIED. USER ID OR API KEY INVALID
44 400 REQUEST TOO LARGE. MAXIMUM SIZE IS 5MB FOR DATA AND 25MB FOR UPLOADS
45 400 ENDPOINT DOES NOT EXIST
51 500 FATAL EXCEPTION. REQUEST COULD NOT BE COMPLETED
52 500 SERVER OFFLINE. MAINTENANCE IN PROGRESS

List of Client-Side Error Codes

Neutrino API SDKs can return the following error codes:

Error CodeError Message
61 TIMEOUT OCCURRED CONNECTING TO SERVER
62 TIMEOUT OCCURRED READING API RESPONSE
63 TIMEOUT OCCURRED DURING API REQUEST
64 ERROR RECEIVED FROM YOUR DNS RESOLVER
65 ERROR DURING TLS PROTOCOL HANDSHAKE
66 ERROR PARSING REQUEST URL
67 IO ERROR DURING API REQUEST
68 IO ERROR WRITING TO OUTPUT FILE
69 INVALID JSON DATA RECEIVED
70 NO PAYLOAD DATA RECEIVED
71 API GATEWAY ERROR