Facebook share link - can you customize the message body text? Facebook will not allow developers pre-fill messages Developers may customize the story by providing OG meta tags, but it's up to the user to fill the message This is only possible if you are posting on the user's behalf, which requires the user authorizing your application with the publish_actions permission AND even then:
How to resolve Facebook Login is currently unavailable for this app . . . In the facebook developers console for your app, go to App Review-> Permissions and Features Set the public_profile and email to have advanced access This will allow all facebook users to have access and these two settings are auto granted Ensure the Access Level indicates Advanced Access
Decoding facebooks blob video url - Stack Overflow Facebook downloads the audio and the video separately, so get the audio link from the google chrome inspector, by right click on the video and choosing inspect ,going to Inspector, Network Tab, and checking the links, use filter:larger-than:50k in the filter area to select bigger files (change 50k according to the length of your video), look in
How to register test number when using WhatsApp Business API You can't add any testing phone numbers, Facebook App by default provides one, that you can see in From dropdown, You can add only productions phone numbers, follow the below ways, You can find the option in your Facebook App > Getting Started under WhatsApp menu, Second, you can add from Your Business Setting, Read more about how to register a phone number in WhatsApp Business, https
Automatically embed newest Facebook posts on my website The Page plugin lets you easily embed and promote any public Facebook Page on your website Just like on Facebook, your visitors can like and share the Page without leaving your site