Log In Button Reference

The log in button triggers the account linking authentication flow.

For more information on using the log in button, see Log In Button.

Log In Button Syntax

{
  "type": "account_link",
  "url": "<UNLINK_URL>"
}

Log In Example Usage

curl -X POST -H "Content-Type: application/json" -d '{
  "recipient":{
    "id":"<PSID>"
  },
  "message":{
    "attachment":{
      "type":"template",
      "payload":{
        "template_type":"button",
        "text":"Try the log in button!",
        "buttons":[
          {
            "type": "account_link",
            "url": "https://www.example.com/authorize"
          }
        ]
      }
    }
  }
}' "https://graph.facebook.com/v21.0/me/messages?access_token=<PAGE_ACCESS_TOKEN>"

Log In Example Response

{
  "recipient_id": "1254477777772919",
  "message_id": "AG5Hz2Uq7tuwNEhXfYYKj8mJEM_QPpz5jdCK48PnKAjSdjfipqxqMvK8ma6AC8fplwlqLP_5cgXIbu7I3rBN0P"
}  

Log In Properties