any help ? 
i got this error
requests.exceptions.HTTPError: 422 Client Error: Unprocessable Entity for url: https://rest.messagebird.com/messages
I found the solution
SMS Gateway URL :
https://rest.messagebird.com/messages
Message Parameter :
message
Receiver Parameter :
recipient
Static Parameters :
Parameter : access_key
Value : live API key from HERE
Parameter : originator
Value : your sms Number from HERE
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