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Facebook

Facebook Page posts, photos, videos and Reels through PostFlow.

Facebook Pages only (not personal profiles), connected with Facebook Login for Business.

Id Format Media Kinds Aspect (w/h) Video length Max size (image / video) Caption max
fb_post Text / link post 0 none – – – / – 63,206
fb_photo Photo post 1–10 image – – 10 MB / – 63,206
fb_video Video 1 video – 1–14400 s – / 4 GB 63,206
fb_reel Reel 1 video 0.5–0.6 3–90 s – / 1 GB 63,206
Option Notes
link Text posts: a link with its preview.
firstComment, followUps Comments by the Page right after publishing.
cover.mediaId Videos and Reels: a thumbnail image.
  • Photo posts take up to 10 photos.
  • Reels must be vertical (about 9:16) and 3 to 90 seconds.
  • Videos are processed by Facebook after upload; the post appears when processing finishes.
  • Comments on the Page’s recent posts: read, reply, hide. Without Meta’s advanced access, Facebook may show commenters as “Facebook user”.
  • Messenger conversations: read and reply within 24 hours of the person’s last message.
  • Metrics: reach, reactions (as likes), comments and shares.