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The Unipile alternative with official APIs across 16 platforms
Unipile's cookie-based LinkedIn auth can trigger account warnings and disconnections. Zernio uses official OAuth on all 16 platforms. No scraping, no compliance risk.
- No credit card
- 16 platforms
- Inbox & analytics bundled in
Join 200,000+ of the world's most ambitious developers and builders
The Posting Gap
Unipile posts to 2 networks. Zernio posts to 16.
Zernio
Posts to 16 platforms from one API endpoint
Schedule anything: posts, reels, stories, first comments
Social inbox bundled: DMs, comments, and reviews in one place
Analytics bundled: track performance across every platform
TikTok, YouTube, Pinterest, Threads, Bluesky, and more
100% official OAuth for every single platform
Free forever plan: 2 social accounts, unlimited posts, full API access
Unipile
Posts to 2 platforms total (LinkedIn + Instagram)
No way to schedule posts for later
No analytics or reporting on post performance
No media compression, proxying, or rehosting
TikTok? No. YouTube? No. Pinterest, Threads, Bluesky? Also no.
LinkedIn auth uses cookies and proxies (compliance risk)
Starts at $55/mo. No free plan, just a 7-day trial.
The full breakdown
| Feature | Zernio | Unipile |
|---|---|---|
| Platforms you can post to | 16 | 2 (LinkedIn, Instagram) |
| Post scheduling | Yes, built right in | No |
| Social inbox (DMs) | Yes (bundled, 7 platforms) | Yes (their main product) |
| Comments & reviews | Yes (bundled, 8 platforms) | No |
| Analytics API | Yes (bundled, all platforms) | No |
| Media processing | Compression + proxy + rehost | No |
| Email send/receive | No | Gmail, Outlook, IMAP |
| LinkedIn outreach sequences | No | Yes |
| Free plan | 2 accounts, unlimited posts, full API | 7-day trial, then $55/mo |
| API auth method | Official OAuth everywhere | OAuth + cookies + proxies |
| Uptime SLA | 99.97% | Not published |
| Social Ads API | Yes | No |
Official OAuth vs cookies and proxies
Unipile routes LinkedIn traffic through cookies and proxies: account warnings, random disconnections, compliance risk. Zernio connects via official OAuth on all 16 platforms. Accounts stay safe, sessions don't break.
Zernio: social media, end to end
Posts to 16 platforms from one API endpoint
Built-in scheduling with queue management
Social inbox: DMs, comments, and reviews across platforms
Analytics: engagement, reach, impressions per post
Media processing: compression, proxy, video rehosting
100% official OAuth. No scraping, no cookie hacks.
Unipile: email, calendar & outreach
Reads and sends email (Gmail, Outlook, IMAP)
Syncs Google and Microsoft calendars
Runs automated LinkedIn outreach sequences
Pulls contact and company data from LinkedIn profiles
DMs across LinkedIn, WhatsApp, Telegram, Messenger
Posts to 2 platforms (LinkedIn, Instagram). No scheduling.
What Unipile does well
Email Integration
Gmail, Outlook, and IMAP. Read, send, and manage emails from code. Zernio doesn't do email.
Calendar Sync
Google Calendar and Outlook sync. Useful if you combine messages with meeting scheduling.
LinkedIn Data & Outreach
Profile lookups, connection requests, InMail, and automated outreach sequences. Built for recruiting and sales.
So, Which One?
It depends on what you're building
Go with Zernio if you:
Need your app to post content to 16 platforms
Want posts to go out on a schedule, not just immediately
Need a social inbox: DMs, comments, and reviews from one API
Want to track how posts perform with analytics
Deal with user-uploaded media that needs compression or proxying
Care about using official API access (no cookie hacks)
Want to ship an MVP on a $0/mo plan first
Go with Unipile if you:
Need to send and receive emails from code (Gmail, Outlook, IMAP)
Want calendar sync baked into your communication stack
Are building a CRM, ATS, or outbound sales tool with LinkedIn outreach
Want to pull LinkedIn profile and company data into your app
Plan to automate LinkedIn outreach + email follow-up sequences
Need WhatsApp Business API messaging
Don't actually need to post to social media at all
Already using Unipile?
Keep Unipile for email and calendar. Add Zernio for social media posting, scheduling, inbox, and analytics. They work great side by side.
Zernio's free plan gives you full API access. Try it alongside Unipile, no commitment.
Frequently Asked Questions
vsReady to post to 16 platforms?
Grab a free API key and see how it works. Takes about 30 seconds.
- SOC 2
- GDPR compliant
- 99.97% uptime
- Under 50ms response