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The Buffer alternative that actually has an API
Buffer deprecated its public API in 2019. It's rebuilding one, but it's not public yet. Zernio is API-first with instant access, 99.97% uptime SLA, and usage-based pricing that scales smoothly past Buffer's $5/channel model.
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- Instant API key
- Buffer has no API
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The Fatal Flaw: Buffer Has No Public API
In 2019, Buffer deprecated its public API that had served 47,000+ API clients. As of December 2025, Buffer has no public API available. They're rebuilding a GraphQL API, but it's only in early access - not publicly available.
"We don't currently have a public API available, but we're actively working on building a new one..."
Zernio: Sign up → Settings → API → Copy key. Available NOW on all plans including free.
API vs No API
A working API vs "coming soon"
Zernio
Production-grade API - available NOW
Instant API key on all plans (even free)
Usage-based: free up to 2 accounts, then $6/$3/$1 per account, custom for 2,000+
Volume tiers built in - costs drop as you scale
Published rate limits: 60-1200 req/min
99.97% uptime SLA - publicly documented
2+ years battle-tested (2023+)
Buffer
NO PUBLIC API - deprecated in 2019
New GraphQL API in development - not public yet
Per-channel pricing: $5/channel adds up fast
50 channels = $250+/month (vs Zernio's $168/mo, usage-based)
No published rate limits for new API
No uptime SLA - rebuilding from scratch
6+ year API gap (2019-2025+)
Head-to-head comparison
| Feature | Zernio | Buffer |
|---|---|---|
| Public API | Yes (all plans) | NO - deprecated 2019 |
| API status | Production (2+ years) | Rebuilding (not public) |
| API access time | 30 seconds | N/A - no public API |
| 50 accounts cost | $168/mo | $250+/mo |
| Pricing model | Usage-based ($6/$3/$1 tiers, custom for 2,000+) | Per-channel ($5/ch) |
| Rate limits | 60-1200 req/min | None published |
| Uptime SLA | 99.97% (published) | None |
| Free plan | Yes (with API) | Yes (no API) |
| UI dashboard | Basic | Excellent |
| AI assistant | No | Yes (paid) |
| Analytics | Bundled (no add-on) | Built-in (Team+) |
| Social Ads API | Yes | No |
Six years without a public API
2019: API deprecated
Buffer made the controversial decision to shut down its public API that had served 47,000+ API clients. Reasons included Cambridge Analytica fallout, compliance burden, and competitive concerns about third-party tools.
“After an audit of existing API integrations, we've chosen to revoke access to third-party tools that provide similar functionality to Buffer's core product...”
2025: Rebuilding (not public)
In July 2025, Buffer announced it's rebuilding a new GraphQL-based API. Current status: early access only, not publicly available, no published rate limits or SLA, uncertain timeline (“2025-2026”).
For production use today, Zernio is the only option with a working API.
What Zernio offers that Buffer can't
Working API Today
Zernio has a production-grade REST API available right now. Buffer's API was deprecated in 2019 and isn't public yet. For any automation or integration, Zernio is the only choice.
Instant API Access
Sign up for Zernio, go to Settings, copy your API key. 30 seconds. Buffer requires waiting for early access to an API that isn't public yet.
99.97% Uptime SLA
Zernio publishes a 99.97% uptime guarantee. Buffer is rebuilding from scratch - no SLA, no guarantees, no production track record for the new API.
Cheaper at Scale
Zernio: $168/mo for 50 accounts (usage-based, first 2 free). Buffer: $5/channel × 50 = $250+/mo. Zernio gets cheaper per account as you grow; Buffer's per-channel pricing stays linear.
Published Rate Limits
Zernio: 60-1200 req/min by tier, publicly documented. Buffer: no published limits for the new API. Old API was 60 req/min.
2+ Years Battle-Tested
Zernio's API has been in production since 2023. Buffer's new API hasn't launched publicly yet. Maturity matters for production apps.
Which One?
API platform vs UI-only dashboard
Choose Zernio if you:
Need API automation today
Can't wait for Buffer's API rebuild
Want 7-15x lower costs at scale
Value published uptime guarantees
Need programmable posting for SaaS
Want predictable, usage-based pricing that drops at scale
Prefer instant API access
Stay with Buffer if you:
Only need UI-based scheduling
Value Buffer's world-class support
Want AI writing assistance
Don't need API access
Prefer established brand reputation
Can accept per-channel pricing
Are willing to wait for API rebuild
Need API automation?
If you're a Buffer user who needs API access, Zernio is your only option. Buffer's API doesn't exist publicly. Sign up for Zernio, copy your API key, and start automating - today, not "someday."
Zernio's free plan includes API access. Test it before you commit.
Frequently Asked Questions
vsReady for an API that exists?
Start with the free plan. Get an instant API key. Don't wait for Buffer's "coming soon."
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