Feed-to-social is one of the most-built automations there is. Before building it, one question saves most people the work.
Do you need a Zap?
If you want new feed items to become posts, probably not.
BulkPublish reads RSS and Atom feeds directly:
- Feeds: Free: 1. Pro: 10. Business: 50.
- Auto-publish: paid plans. On Free, items arrive as drafts for review, and asking for publish mode returns a 403 rather than quietly downgrading
- Polling: conditional requests using ETag and Last-Modified, so an unchanged feed costs almost nothing, with backoff from 15 minutes up to 24 hours when a feed errors
That’s a couple of minutes of setup and no Zap to maintain or pay for.
Build the Zap when you need what the built-in reader deliberately doesn’t do: filtering on content, rewriting the text, routing different items to different accounts, or combining the feed with something else.
The Zap
Trigger: New Item in Feed. Point it at the feed URL.
Filter: only continue if… This is the step most people skip and the one that decides whether the account looks human. Filter on category, title keyword or author, so a busy publishing day doesn’t produce fifteen posts.
Formatter, optional. Trim the title, clean the summary, build the text you actually want.
Action: Create Post in BulkPublish. Content, channels, and ideally a scheduled time.
Write something, don’t relay the headline
The default version of this Zap posts the title and the link. It’s why automated accounts read the way they do.
A headline is written to sit above an article on your own site, where the context is obvious. On a social platform it arrives cold and asks nothing of the reader.
Use the Formatter step, or an AI step, to produce a line of actual context and then the link. It’s the difference between a feed relay and an account.
Schedule rather than publish on trigger
Feed items appear when the source publishes, which is rarely when your audience is reading. Setting a scheduled time turns a mechanical relay into something that looks deliberate, and gives you a window to catch a bad one.
Deduplication
Zapier’s trigger handles this in normal operation. Where it goes wrong is a feed that changes item GUIDs, or a Zap replayed after an error. If the source is at all unreliable, add a check against something you’ve stored rather than trusting the trigger alone.
Watch the length
Feed titles plus summaries plus a link overrun the shorter platforms easily. Character limits are validated when the post is created, so you’ll get a clear error rather than a truncated post, but the Zap needs to surface that rather than failing quietly.
Plan limits
- Channels: Free: 3 (1 per platform). Pro: 30 (2 per platform). Business: 75 (5 per platform).
- Posts: Free: 3/day. Pro: 30/day. Business: unlimited.
- API requests/day: Free: 30. Pro: 5,000. Business: 50,000.
BulkPublish publishes to 15 platforms.
The short version
Try the built-in RSS reader first, since it does exactly this with nothing to maintain. Build the Zap when you need filtering, rewriting or routing. Whatever you build, filter what gets posted, write a real line instead of relaying the headline, and schedule rather than publishing the moment the feed updates.