About late-api
late-api is a Claude Code skill containing reference material for the Zernio Social Media Scheduling API. It is intended for developers building publishing, advertising, messaging, and reporting workflows through that API.
Key features
- 01API authentication and post management
- 02Scheduling and queue configuration
- 03Social account and OAuth connection guidance
- 04Paid ad and analytics references
- 05Messaging and engagement operations
- 06Webhook and admin documentation
Use cases
- 01Scheduling posts across supported social platforms
- 02Managing connected accounts and publishing queues
- 03Creating or analyzing paid ad campaigns
- 04Handling messages, contacts, and broadcasts
Install
Copy the command and run it in a terminal.
npx skills add https:/After installing, type/late-apiin Claude Code to confirm it loaded.
Details
From the project READMEZernio 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