Social media scheduler API
Zernio's social media scheduler API lets you schedule posts across 17 platforms. Plan weeks ahead, and every post publishes on time in the right timezone.
- 17 platforms
- Timezone-aware
- One API
Simon Fairhurst@siimonfairhurstQ3 recap is live 📈 Everything we shipped this quarter, in one place.
Simon Fairhurst@siimonfairhurst
New quarter, new desk 🌿 Which corner should we style next?
Join 200,000+ of the world's most ambitious developers and builders
One API. Every platform
Schedule posts to all 17 major platforms from one API
From signup to first scheduled post in three steps
1Key name
e.g., Production API key
Permission
Read & write
Read only
Profile access
Full access (all profiles)
Create key
Get your API key
Sign up free, generate a key from the dashboard. First 2 social accounts free, unlimited posts.
2Profile
TikTok
X
Threads
YouTube
Bluesky
Snapchat
Discord
Telegram
Slack
iMessage
Google Business
Connect social accounts
Link accounts via OAuth. Each gets a unique ID for API calls.
3Schedule post
Schedule
Now
Queue
Draft
Date & time
Tue, Oct 14
09:00
Europe/Madrid (GMT+2)
Schedule post
Schedule your post
Pick a date, time, and timezone, or drop it in your queue. We publish it automatically.
Everything you need to schedule
Tue, Oct 14 · 09:00
Timezone
Los AngelesGMT-7
New YorkGMT-4
São PauloGMT-3
LondonGMT+1
MadridGMT+2
DubaiGMT+4
SingaporeGMT+8
TokyoGMT+9
SydneyGMT+11
Timezone-aware scheduling
Set the date, time, and timezone per post. Reach every audience at the right hour.
Q3 recap is live 📈 Everything we shipped this quarter, in one place.
New quarter, new desk 🌿 Which corner should we style next?
Next free slot
Weekend mood 🌊
Queues & recurring slots
Define weekly time slots once. New posts fill the next free slot automatically.
Bulk scheduling
Upload a CSV to schedule hundreds of posts at once.
Per-platform content
Customize text, media, and hashtags for each platform in the same post.
Automatic retries
Failed publishes retry up to 3 times, and a webhook tells you if one still fails.
Your agent plans and schedules your content
496 tools on one OAuth connection. Nothing to install, nothing to self-host.
› claude
Claude Code v2.1.19
Opus 4.5 · Claude Max
~/software
›
✓ registered · https://mcp.zernio.com/mcp
✓ signed in over OAuth · no key pasted
✓ call_tool · 5 posts queued · Mon–Fri 09:00
✓ nothing published yet · review the queue
Frequently asked questions
Schedule your first post today
Plan weeks ahead and publish on time across 17 platforms.
- 17 platforms
- Timezone-aware
- One API
Everything social, not just scheduling
Comments, DMs, analytics, and ads run on the same API and the same connected accounts.
Publish, schedule, and manage content across 17 platforms
Campaigns, boosts, and ad analytics in one API
Meta Ads
Pricing launch
Summer Sale
$40/day
Retargeting
$30/day
Every DM, one API
@leahmarx Ship to Berlin?
@sofia In stock? 😍
@casa.lumen Order update? 🙌
Every metric, one endpoint
Moderate every comment
sarah.klein
Does this cover Threads as well?
lauravisuals
Shipped our whole calendar with this 🙌
nate_builds
Any way to schedule a carousel?
Turn comments into DMs
@lucia_dev Guide 🙌
@andrewww_ Guide
lucia_dev
Here's the guide 👇 · now
andrewww_
Here's the guide 👇 · 1m
One inbox for comments, DMs, and reviews
Olly Bennett
· via +44 7700 900456
Are you open on Sunday?
Diego
· via +1 646 555 0199
Is my order ready to pick up?
Nadia Okafor
· via @nadia.okafor
Love the new drop 😍
Vela Notifications
· via #orders
New order #4821 from Lisbon
Elias Duarte
· via Google review
★★★★★ Worth the queue