Messenger Platform

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.

Contents

Button Syntax

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

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/v2.6/me/messages?access_token=<PAGE_ACCESS_TOKEN>"

Example Response

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

Properties

Property Type Description

type

String

Must be account_link.

url

String

Authentication callback URL. Must use HTTPS protocol.