Facebook Launched Messenger API in F8 Conference. This opens up gate for many who want to build bots for Facebook Messenger.
This is a simple echo bot built using the APIs.
- Setup a Nodejs client running on HTTPS. Refer to awesome Digital Ocean resource for same here
- Facebook does not play nice with self signed certificates. Buy one from a provider else you can generate one for free from LetsEncrypt. Refer to this guide for same.
- Follow steps mentioned at Facebook Messenger API docs to create an app and a page required.
- Generate page access token
- Use token generated in previous step to make a cURL call and subscribe app to page.
- Fill relevant details in
conf.jsfile. - Start node server and complete the Webhook setup process.
- You are ready to go, bot should respond back with exact string sent.