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Blacklisted phrase (1): I am trying to
Blacklisted phrase (1): trying to do the same
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I am trying to do the same thing and ran into another challenge...

For me it says that the request is deprecated for version 21 or higher and when I run 20 it still says that...

curl 'https://graph.facebook.com/v22.0/XXXXXXXXXXXX/register' \
  -H 'Authorization: Bearer EAAPr...' \
  -H 'Content-Type: application/json' \
  -d '{ "messaging_product": "whatsapp", "pin": "XXXXXX", "data_localization_region": "DE" }'

This then returns:

{"error":{"message":"Unknown path components: \/XXXXXXXXXXXX\/register","type":"OAuthException","code":2500,"fbtrace_id":"AC-kbm_XXXXXXXXXXXX"}}

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