postzen-dev Inbox API
Read and moderate comments on Instagram, Facebook, and Threads posts. Every endpoint takes the connected account as `accountId` and identifies the post either by its PostZen post id or by the platform's own post/media id. Reads also refresh PostZen's stored copy of the thread. An account on any other platform returns `400 platformUnsupported`, and the write endpoints need the account's comment-management scope — reconnect the account when they answer `403 platformCapabilityMissing`. The conversation endpoints cover Instagram direct messages instead: they read PostZen’s synced copy of each thread, refresh it from the platform as a side effect, and keep read state and archive state locally because Meta exposes neither. Sending is bounded by Meta’s 24-hour reply window, which surfaces as `400 PLATFORM_LIMITATION`.