Error Messages

List of common API errors you might encounter.

WhatsApp API errors
Error Code
Descrption
What to do
403
This URL *** is blocked
If you need access to a blocked / blacklisted endpoint, contact our support team. 
401
Invalid API Key 
If this happens, please double check you are using the correct API KEY for a number. If the problems persists, please generate a new API KEY. 
400
WhatsApp Business API has been disabled
Response returned if WhatsApp Business API has been disabled. There are many reasons why the API might be disabled - cancellation, payment issues etc. If the number is disabled in error, contact our support team. 
400
Endpoint calls limits has been exceeded
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500
Internal server error
The request failed. Please review your request payload. If the issue persists longer than 10 minutes, Contact our support team. 
502
WhatsApp for Business API not available
Error returned if integration with WhatsApp Business does not exist in system or integration is not in running state (WhatsApp Business stack is not running). Contact our support team.
555
Internal server error
Our default servers may restart several times a day. When this happens, you may receive the error code 555. If this happens >3 times in 24 hours, contact support. 
1014
Connection timed out. Please check if wacore is running
You are trying to send a message but the number if offline. A number can become offline for various reasons such as a server restart, or due to non compliance with the WhatsApp terms of service. If the number does not re-connect within 10 mins contact our support team. 
1016 
System overloaded
This error usually indicates that your webhook is not responding with status 200. This leads to a build up of webhooks in the DB and the system gets overloaded when the callback queue reaches 100K. Please check that your webhook is set and responding with status 200 for all incoming requests. 
2001
Template name does not exist in the translation
You are trying to send a template that does not exist in Meta Business Manager or is not Approved for use. Please check your WhatsApp Manager > Account Tools> Message Templates and make sure the template is available and approved for use. 
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WhatsApp API webhook errors
Error Code
Description
What to do
402
Message failed to send because there were one or more errors related to your payment method
Contact our support team and we will extend our Credit Line to your WABA.
429
Rate limit hit
For outgoing messages: Message failed to send because there were too many messages sent from this phone number in a short period of time.
Resend the failed messages.
For incoming messages: Failed to download media successfully due to rate-limiting. Ask the sender to resend the message.
470
Re-engagement message
Message failed to send because more than 24 hours have passed since the customer last replied to this number. Use a message template to respond.
471
Spam rate limit hit
Message failed to send because there are restrictions on how many messages can be sent from this phone number. This may be because too many previous messages were blocked or flagged as spam.
1011
Chat application is not initialized
This error occurs when you are trying to send a message on a number that is no longer registered for the WhatsApp API. A number can become unregistered for various reasons such as non compliance with the WhatsApp terms of service. If your number is unregistered, try to re-register the number or contact our support team. 
1016 
System overloaded
This error usually indicates that your webhook is not responding with status 200. This leads to a build up of webhooks in the DB and the system gets overloaded when the callback queue reaches 100K. Please check that your webhook is set and responding with status 200 for all incoming requests. 
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360dialog Hub errors
Error Code
Description
What to do
1005
Unknown error: biz_link_info_invalid_payload
This error occurs when you are trying to register a number for the WhatsApp API but the WhatsApp App account or WhatsApp Business app is not fully deleted. Please fully delete the existing WhatsApp Account from your device and then retry the registration for WhatsApp API. 

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Error Code	Descrption	What to do
403	This URL *** is blocked	If you need access to a blocked / blacklisted endpoint, contact our support team.
401	Invalid API Key	If this happens, please double check you are using the correct API KEY for a number. If the problems persists, please generate a new API KEY.
400	WhatsApp Business API has been disabled	Response returned if WhatsApp Business API has been disabled. There are many reasons why the API might be disabled - cancellation, payment issues etc. If the number is disabled in error, contact our support team.
400	Endpoint calls limits has been exceeded
500	Internal server error	The request failed. Please review your request payload. If the issue persists longer than 10 minutes, Contact our support team.
502	WhatsApp for Business API not available	Error returned if integration with WhatsApp Business does not exist in system or integration is not in running state (WhatsApp Business stack is not running). Contact our support team.
555	Internal server error	Our default servers may restart several times a day. When this happens, you may receive the error code 555. If this happens >3 times in 24 hours, contact support.
1014	Connection timed out. Please check if wacore is running	You are trying to send a message but the number if offline. A number can become offline for various reasons such as a server restart, or due to non compliance with the WhatsApp terms of service. If the number does not re-connect within 10 mins contact our support team.
1016	System overloaded	This error usually indicates that your webhook is not responding with status 200. This leads to a build up of webhooks in the DB and the system gets overloaded when the callback queue reaches 100K. Please check that your webhook is set and responding with status 200 for all incoming requests.
2001	Template name does not exist in the translation	You are trying to send a template that does not exist in Meta Business Manager or is not Approved for use. Please check your WhatsApp Manager > Account Tools> Message Templates and make sure the template is available and approved for use.

Error Code	Description	What to do
402	Message failed to send because there were one or more errors related to your payment method	Contact our support team and we will extend our Credit Line to your WABA.
429	Rate limit hit	For outgoing messages: Message failed to send because there were too many messages sent from this phone number in a short period of time. Resend the failed messages. For incoming messages: Failed to download media successfully due to rate-limiting. Ask the sender to resend the message.
470	Re-engagement message	Message failed to send because more than 24 hours have passed since the customer last replied to this number. Use a message template to respond.
471	Spam rate limit hit	Message failed to send because there are restrictions on how many messages can be sent from this phone number. This may be because too many previous messages were blocked or flagged as spam.
1011	Chat application is not initialized	This error occurs when you are trying to send a message on a number that is no longer registered for the WhatsApp API. A number can become unregistered for various reasons such as non compliance with the WhatsApp terms of service. If your number is unregistered, try to re-register the number or contact our support team.
1016	System overloaded	This error usually indicates that your webhook is not responding with status 200. This leads to a build up of webhooks in the DB and the system gets overloaded when the callback queue reaches 100K. Please check that your webhook is set and responding with status 200 for all incoming requests.

IVR enabled numbers (registration)

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Imprint & Data Privacy

Last modified 4mo ago

Error Code	Description	What to do
1005	Unknown error: biz_link_info_invalid_payload	This error occurs when you are trying to register a number for the WhatsApp API but the WhatsApp App account or WhatsApp Business app is not fully deleted. Please fully delete the existing WhatsApp Account from your device and then retry the registration for WhatsApp API.