Facebook (Meta) are currently running an experiment with a few WhatsApp users which disables them from receiving Marketing Template messages. Unfortunately this experiment is non-consensual and the users that are part of the experiment are not aware of it nor can they opt out of it. If you try sending a WhatsApp message to a user that is part of the experiment, you will receive an error. The only way around this is to submit your template under theDocumentation Index
Fetch the complete documentation index at: https://hilos-40.mintlify.app/llms.txt
Use this file to discover all available pages before exploring further.
utility category and, if approved, send this template instead as this experiment affects only the marketing template category.