Why I Got This Error: 130472 User's number is part of an experiment

March 11, 2025

You may encounter the " User's number is part of an experiment" error when attempting to send a message on WhatsApp. This error occurs due to one of the following reasons:

The user phone number is included within 1% of WhatsApp users in that region as part of an experiment by WhatsApp

Meta occasionally run experiments to help us assess the impact of messaging on WhatsApp user experience and engagement. These are standard practices on our platform and help us improve the messaging experience for both you and your customers.

Read more about this here: Marketing Message Experiment

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