If you're facing WhatsApp API error 2065, which states "Invalid Flow Message Version," it means the flow message version you are using is either outdated, unsupported, or incorrect. This can prevent your automated flows from running as expected.

Possible Causes of Error 2065

  1. Outdated Flow Message Version – The version specified in your API request is no longer supported.

  2. Incorrect Version Number – A typo or incorrect version format may be causing the issue.

  3. Version Not Supported by WhatsApp – WhatsApp may have deprecated the version you are trying to use.

  4. Missing or Incorrect API Configuration – Your API request might be missing the version parameter or using an invalid one.

How to Fix WhatsApp API Error 2065

1. Check the Flows Changelog

Refer to the WhatsApp Flows Changelog to verify the latest supported message versions. Update your request with the latest valid version.

2. Verify the Version Number in Your API Request

Ensure the version number is correctly formatted. Compare it with the version listed in the WhatsApp documentation.

3. Update Deprecated Versions

If WhatsApp has deprecated the version you're using, update to the latest supported version. Modify your automation flows accordingly to avoid compatibility issues.

4. Review Your API Configuration

Ensure your API request includes the correct version parameter. Check if any other settings need adjustments based on the latest API documentation.

5. Contact Meta Support

If the issue persists after updating to the latest version, reach out to Meta Business Support for further assistance.

For more troubleshooting tips related to WhatsApp Business API, check out heltar.com/blogs.