Invoke this endpoint to add a new user to your loyalty program.
the user's wallet_address
the user's phone (must be provided if email is blank)
the user's email (must be provided if phone is blank)
POST /partner-api/users HTTP/1.1 Host: X-API-Key: YOUR_API_KEY Content-Type: application/x-www-form-urlencoded Accept: */* Content-Length: 55 "wallet_address='text'&phone='text'&email='text'"
User was created successfully
{ "user": { "id": "text" } }