Endpoints, or endpoints plus a product.
Zernio has an appealing model for developers: free for two accounts, then a few dollars per connected account as you scale. If you are embedding publishing in your own app, that is compelling. If you also want a team-facing product, FoPost ships both.
FoPostFrom $19/mo
All 30 platforms · Real API · Open SDK
Free for 2, then per account
Developer social API with per-account pricing.
4 reasons creators are switching from Zernio
A full application
Composer, calendar, media library, analytics, automations and workspaces alongside the API.
More platforms
Zernio covers 15+ networks. FoPost ships 30, including Lemmy, Nostr, DEV.to, Hashnode, Medium, WordPress, Whop and Skool.
Per-platform AI rewriting
Rewrite one draft per network with a saved Brand Voice.
Open-source SDK
MIT-licensed PHP SDK on Packagist plus a TypeScript client.
FoPost vs Zernio: side by side
| Feature | FoPost | Zernio |
|---|---|---|
| Pricing model | Flat per workspace | Per connected account |
| Full web application | ||
| Publishing platforms | 30 | 15+ |
| Public REST API | Pro and up, or $5/mo | The entire product |
| MCP server for Claude/Cursor | ||
| Open-source SDK | PHP (MIT) | Client libraries |
| Composer, calendar, media library | ||
| AI rewriting per platform | ||
| Free tier | 7-day trial | 2 accounts free |
We're transparent about the trade-offs
No tool is best at everything. Here is what Zernio does well, so you can decide for yourself.
Free for the first two accounts
Genuinely free to start, then per-account pricing that drops sharply at volume.
Clean developer experience
Purpose-built for developers embedding posting, scheduling, analytics and DMs.
Cheap at scale
Per-account cost falls to around a dollar at high volume, which suits platforms with many end users.
Move from Zernio to FoPost in 4 steps
Start your free trial
Create your FoPost account in under 60 seconds. Every plan starts with a 7-day trial.
Connect your accounts
OAuth into 29 networks via their official APIs. Substack, the one network with no write API, publishes through the FoPost browser extension.
Import your scheduled posts
Bulk-import scheduled posts via CSV or API. We'll re-queue them on your old timing.
Cancel your old subscription
Most users do this within their first week, saving 20-70% on their tooling spend.
FoPost vs. other tools
Ready to make the switch?
7-day free trial. All 30 platforms unlocked from day one.