Images & video
Up to 4 images or videos per post, with long-form alt text on video.
uploadIdsBluesky API
The Bluesky API for posts, cards & quotes
Publish to Bluesky with images, video, link cards and quote posts, plus tags and content labels, from the same request you use for every other network.
What you can publish
Every Bluesky format, one endpoint
The same request that posts everywhere else, with the fields Bluesky needs and nothing it doesn't.
Link cards
Attach a rich card with your own URL, title and description.
externalUrlQuote posts
Quote another post by its URI and add your take.
quoteUriTags & labels
Up to 8 tags, and self-applied content labels for sensitive media.
labelsBeyond publishing
More than a way to post to Bluesky
Everything around the post — when it goes out, how it performs, where else it lands — through the same API.
Scheduling
Schedule Bluesky posts to the minute
Give a post a time and Bulkit publishes it then. Queue a week — or a quarter — of Bluesky content in one go, and let retries and rate limits take care of themselves.
- Any time zone
- Retries built in
- Rate limits handled
Analytics
Bluesky analytics, in one schema
Post engagement, with impressions calculated from it, plus followers and post count. Same response shape as every other network, so there's nothing to reconcile.
- Likes
- Replies
- Reposts
- Quotes
- Followers
Cross-posting
Bluesky and 11 more networks in one call
Add targets to the same request and one payload fans out everywhere, with each network getting the fields it needs. Upload media once and reuse it on every channel.
- One API key
- One schema
- No per-network fees
AI agents
Let your AI agent post to Bluesky
Bulkit's MCP server gives Claude, Cursor or any MCP-compatible agent real tools to publish and schedule to Bluesky — the same actions your code calls.
- Claude & Cursor
- Scoped API keys
- Every call logged
Bluesky at a glance
The Bluesky API's sharp edges, filed down
| Spec | Bluesky |
|---|---|
| Formats | Text, images, video, link card, quote post |
| Post text | Up to 300 characters |
| Media | Up to 4 images or videos |
| Tags | Up to 8, 64 characters each |
| Link card | Title 300 · description 1,000 characters |
| Analytics | Post engagement; followers and post count |
Link cards you control
Bluesky doesn't scrape links for you. Set externalUrl, externalTitle and externalDescription and the card renders the way you meant.
Content labels
Self-label sensitive media with labels such as graphic-media or nudity, or hide a post from logged-out viewers.
Quote posts
Point quoteUri at any post to quote it. No record-building against the AT Protocol by hand.
Engagement, calculated
Bluesky has no impression counts, so impressions are the sum of likes, replies, reposts and quotes — and labelled as such.
FAQ
Bluesky API: common questions
Does Bluesky have a posting API?
Yes, via the AT Protocol. Bulkit wraps it so a Bluesky post uses the same request as every other network.
Can I add link previews to Bluesky posts?
Yes. Set externalUrl, externalTitle and externalDescription to attach a link card.
Can I schedule Bluesky posts?
Yes. Give the post a postDate and Bulkit publishes it at that time.
What analytics are available for Bluesky?
Post likes, replies, reposts and quotes, with impressions calculated as their sum, and followers, following and post count at profile level.
How much does it cost?
$4.99/month with 500 actions included, then $0.01 per action. Bluesky is included with every other network.
Your first Bluesky post is one request away
$4.99/mo with 500 actions included, then $0.01 each. Bluesky and every other network on the same key.