Getting an error when trying to register

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WhatsApp Number
9423880430
Email Address
[email protected]
Getting an error when trying to register my WhatsApp number.

(#100) Invalid parameter.

Screenshot 2025-12-04 at 11.04.30 AM.png
 

Preeti Paryani

Well-known member
Staff member
Hello @contentocean,

Thank you for reaching out. The error (#100) Invalid parameter usually appears when the WhatsApp number is not fully set up for Cloud API use. Could you please confirm the following:
  1. Have you added this number inside your Meta Business Portfolio at business.facebook.com?
  2. Is the number currently active on WhatsApp / WhatsApp Business App on any device?

To assist you accurately, please share a short screen recording showing:
– Your Business Verification status
Payment method added
– The number displayed under WhatsApp Manager → Phone Numbers


At the moment, the number does not seem ready for WhatsApp Cloud API usage. Once we have the recording, we will review the setup and guide you accordingly.
 
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