facebook-messenger

I am creating a chatbot on Facebook Messenger. I have configured a webhook which is working fine. Is there a way to get the list of source IPs to whitelist on my firewall? My security team is not comfortable in opening the webhook to the entire internet. We do plan to use the X-Hub HMAC validation, however restricting the source IP to a a finite number of IP or IP ranges or Domain would keep the security guys off me. Facebook publish their list of IP addresses via an endpoint that can be queried like this: whois -h whois.radb.net -- '-i origin AS32934' | grep ^route Note however that their IP

I understand that the same user will have different page-scoped IDs (PSIDs) across different pages. But is it guaranteed that no two users will have the same PSID across different pages? For example, is it possible that user A has PSID 1234 while messaging page X, and user B has the same PSID 1234 when messaging page Y? Technically user A and user B would be differentiable even if they have the same PSID because they are messaging different pages. But can I assume that there will be no overlap on PSIDs across all pages, so that I may use the PSID as a globally unique ID regardless of the

I followed the solution in this thread and it is still not working how to setup "Get started" button in facebook messenger bot and when to send welcome message I tried both graph.facebook.com/v2.6/me/thread_settings?access_token=xxxxx and graph.facebook.com/v2.6/page_id/thread_settings?access_token=xxxxx with the raw body { "setting_type":"call_to_actions", "thread_state":"new_thread", "call_to_actions":[ { "payload":"USER_DEFINED_PAYLOAD" } ] } The response message is like this { "result": "Successfully added new_thread's CTAs" } But the message in welcoming screen just keep displaying "Type

How can I achieve this template in fb messenger platform? It seems that the color of the shirt and the price are both subtitles of the message but there can only be 1 subtitle in a message. So how can achieve where there are two subtitles? This is my current message tempalate "message":{ "attachment":{ "type":"template", "payload":{ "template_type":"generic", "elements":[ { "title":"Classic T-Shirt", "image_url":"http://petersapparel.parseapp.com/img/item100-thumb.png", "subtitle":"Medium Grey %0D%0A s", "buttons":[ { "type":"web_url", "url":"https://petersapparel.parseapp.com/view_item?item