Whether one Bluesky post is still there: its at:// uri or bsky.app URL in, the post with its current reply, repost, like and quote counts out. A deleted post is a not_found miss; a source that cannot answer now is never one (a rate limit holds, any other failure is a vendor_error miss). Keyless.
Price: $0.00 per unit.
Maximum charge per unit: $0.00.