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MessageBird Invalid Phone Number

The phone number format is incorrect or not supported.

Resolving 'Invalid Phone Number' Error in MessageBird API

Introduction to MessageBird

MessageBird is a cloud communications platform that provides a suite of APIs for sending and receiving SMS, voice, and chat messages. It is widely used by developers to integrate communication capabilities into their applications, enabling seamless interaction with users globally.

Understanding the Symptom

When using MessageBird's SMS API, you might encounter an 'Invalid Phone Number' error. This error typically manifests when attempting to send a message, and the API responds with an error message indicating that the phone number is not valid.

Details About the Issue

Error Explanation

The 'Invalid Phone Number' error occurs when the phone number provided does not conform to the expected format. This could be due to missing country codes, incorrect number length, or unsupported formats.

Common Causes

Common causes include:

  • Omitting the international dialing code (e.g., +1 for the USA).
  • Using local number formats instead of E.164 international format.
  • Typographical errors in the phone number.

Steps to Fix the Issue

Verify Phone Number Format

Ensure that the phone number is in the correct format. MessageBird requires numbers to be in the E.164 format, which includes the country code and omits any leading zeros or special characters.

Example: +14155552671 (for a US number)

Use a Phone Number Validation Tool

Utilize online tools or libraries to validate phone numbers before sending them to the API. Libraries like Google's libphonenumber can be integrated into your application to ensure numbers are correctly formatted.

Check Country Code

Double-check that the correct country code is included. You can refer to CountryCode.org for a list of international dialing codes.

Test with a Known Valid Number

To isolate the issue, test the API with a phone number that is known to be valid and correctly formatted. This can help determine if the problem lies with the specific number or the API integration.

Conclusion

By ensuring that phone numbers are correctly formatted and validated, you can effectively resolve the 'Invalid Phone Number' error in MessageBird's API. Proper validation and formatting are crucial for successful SMS delivery and seamless communication with users worldwide.

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