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Twilio is a leading cloud communications platform that enables developers to build, scale, and operate real-time communications within their software applications. It provides APIs for SMS, voice, video, and other communication channels, allowing businesses to engage with their customers effectively.
When using Twilio's SMS API, you might encounter an error code 30005. This error indicates that the message delivery has failed. The symptom is usually observed when a message is sent, but the recipient does not receive it, and the error code is logged in your application.
Error 30005 is a specific error code returned by Twilio when a message cannot be delivered to the intended recipient. The primary reason for this error is that the destination number is either a landline or unreachable. Twilio's SMS service is designed to send messages to mobile numbers, and attempting to send messages to landlines will result in this error.
To fix Error 30005, follow these actionable steps:
Ensure that the recipient's phone number is a valid mobile number. You can use Twilio's Phone Number Lookup API to verify the type of phone number.
curl -X GET 'https://lookups.twilio.com/v1/PhoneNumbers/{PhoneNumber}?Type=carrier' \
--user 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:your_auth_token'
Sometimes, network issues can cause temporary delivery failures. Retry sending the message after a short interval. Implementing a retry mechanism in your application can help mitigate transient errors.
If you frequently encounter this error, consider updating your application logic to filter out landline numbers before attempting to send messages. This can be achieved by integrating the phone number validation step into your workflow.
For more information on handling Twilio errors, visit the Twilio Error Code Documentation. If you need further assistance, the Twilio Support Center is a great resource for troubleshooting and support.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)