Meta Messenger Bot API

The Messenger Bot's Pages APIs are available thru HTTP GET /{bot-callback-uri}
endpoint with specified URL ?query= parameters as described below:

GET /$callbackURI	Description
?pages=setup	Add or Remove Messenger Pages (Accounts) on behalf of the Page's Administrative Role
?pages=[search[&id=]]	Shows list of engaged Page(s) with it's Accounts
?pages=subscribe[&id=]	Subscribes Bot's Webhook on Page's update events. Activate Pages
?pages=unsubscribe[&id=]	Unsubscribes Bot's Webhook from Page's update events. Deactivate Pages
?instagram=setup	Add or Remove Instagram Pages (Accounts) on behalf of the Page's Administrative Role
?instagram=[search[&id=]]	Shows list of engaged Page(s) with it's Accounts

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This type of chat client provider may be customized with a several parameters, type of string value.

WARN: Instagram NOT working while your App is in Development Mode !!!

Metadata	Value	Usage
client_id	REQUIRED. App-ID.	Client Authentication.
client_secret	REQUIRED. App-Secret.	Client Authorization.
instagram_comments	OPTIONAL. Default: "false".	Forward comment(s) on your Instagram media posts into chat ? text: #comment [variables]: instagram.comment: $comment.text instagram.comment.link: $comment.link
instagram_mentions	OPTIONAL. Default: "false".	Forward @mention(s) of you in Instagram media posts or comments into chat ? text: #mention [variables]: instagram.mention: $mention.text instagram.mention.link: $mention.link
instagram_story_mentions	OPTIONAL. Default: "false".	Forward @mention(s) of you in Instagram Stories into chat ? text: #story_mention [variables]: instagram.story.mention: $story.caption instagram.story.mention.link: $story.permalink

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This type of chat client provider also propagates the following variables for each chat channel to help you identify which of your Account Page(s) the sender is contacted:

Variable	Description
facebook.page	[A]pp-[s]coped Facebook Account Page unique [ID]entifier
facebook.name	Facebook Account Page Name
instagram.page	[I]nsta[G]ram-[s]coped Account Page unique [ID]entifier
instagram.user	Username of the Instagram Professional or Business Account