Zernio API

Zernio API Reference

Schedule posts across 15 social media platforms and run paid ads on 7 ad networks with a single API.

Base URL: https://zernio.com/api/v1

Docs: docs.zernio.com

Quick Start

# 1. Create profile
curl -X POST https://zernio.com/api/v1/profiles \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{"name": "My Brand"}'

# 2. Connect account (opens OAuth)
curl "https://zernio.com/api/v1/connect/twitter?profileId=PROFILE_ID" \
  -H "Authorization: Bearer YOUR_API_KEY"

# 3. Create post
curl -X POST https://zernio.com/api/v1/posts \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{"content": "Hello!", "platforms": [{"platform": "twitter", "accountId": "ACC_ID"}], "publishNow": true}'

Rule Files

Read individual rule files for detailed documentation.

Publishing & core:

• rules/authentication.md - API key format, usage examples, core concepts
• rules/posts.md - Create, schedule, retry, edit, unpublish, bulk upload
• rules/platforms.md - Platform-specific data for all 15 platforms
• rules/media.md - Presigned uploads, direct upload, supported formats, platform limits
• rules/queue.md - Queue management, slots configuration

Accounts & connections:

• rules/accounts.md - List accounts, health checks, per-platform helpers (Discord, TikTok creator-info, LinkedIn orgs, etc.)
• rules/account-groups.md - Group accounts for bulk operations
• rules/connect.md - OAuth flows, headless mode, ads connections, Bluesky/WhatsApp credentials, Telegram bot

Paid ads:

• rules/ads.md - List, boost, create, analytics, audiences, conversions (7 ad networks)

Messaging & engagement:

• rules/inbox.md - DMs, comments, reviews, private replies, chat config
• rules/whatsapp.md - Templates, Flows, business profile, phone numbers, group chats
• rules/contacts.md - Contacts CRUD, bulk import, custom fields
• rules/broadcasts.md - Send a single message to many contacts
• rules/sequences.md - Drip sequences + comment-to-DM automations
• rules/twitter-actions.md - Retweet, bookmark, follow
• rules/reddit.md - Reddit search and subreddit feeds

Analytics & reporting:

• rules/analytics.md - Platform analytics, demographics, best-time, content decay, Google Business performance
• rules/webhooks.md - Configure webhooks, verify signatures, events

Google Business management:

• rules/gmb.md - Reviews, location details, attributes, services, food menus, photos, action links

Tools:

• rules/tools.md - Media download, hashtag checker, transcripts, validators (post / media / subreddit)

Admin:

• rules/users.md - Workspace users + team invite tokens
• rules/api-keys.md - API key lifecycle (create, list, revoke)
• rules/errors.md - Error codes, rate limits, publishing logs, usage stats
• rules/sdks.md - Direct API usage examples

Supported Platforms

Posting (15): Twitter/X, Instagram, Facebook, LinkedIn, TikTok, YouTube, Pinterest, Reddit, Bluesky, Threads, Google Business, Telegram, WhatsApp, Snapchat, Discord

Ads (7): Meta (Facebook + Instagram), Google Ads, TikTok Ads, LinkedIn Ads, Pinterest Ads, X/Twitter Ads

Zernio - Social Media Scheduling API for Developers