The public-key-missing error occurs when the client cannot retrieve the business’s public key from WhatsApp servers. This issue prevents secure communication and can disrupt WhatsApp Flows.
What Causes public-key-missing?
The error typically happens due to:
Missing or Incorrect Flow Public Key – The required public key is not uploaded or linked correctly.
Configuration Issues – The phone number used for sending Flows is not associated with the correct public key.
WhatsApp Server Issues – Temporary server problems may prevent key retrieval.
How to Fix the public-key-missing Error
Follow these steps to resolve the issue:
1. Verify Public Key Upload
Go to Meta Business Manager and ensure the correct Flow public key is uploaded. Confirm that the key is linked to the phone number used for sending Flows.
2. Check Phone Number Configuration
Ensure the phone number registered with the WhatsApp Business Account is correctly configured. If using multiple numbers, verify that each has the correct public key assigned.
3. Retry and Debug
If the issue persists, retry sending the Flow after some time. Check API logs for any additional error messages that may provide more details.
4. Contact WhatsApp Support
If none of the above steps resolve the issue, reach out to WhatsApp Business Support.
By following these steps, you can fix the public-key-missing error and ensure smooth WhatsApp Flow execution. For more troubleshooting tips related to WhatsApp API, check out heltar.com/blogs.