Late API Reference

Schedule posts across 13 social media platforms with a single API.

Base URL: https://getlate.dev/api/v1

Docs: getlate.dev/docs

Quick Start

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

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

# 3. Create post
curl -X POST https://getlate.dev/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:

• rules/authentication.md – API key format, usage examples, core concepts
• rules/posts.md – Create, schedule, retry posts, bulk upload
• rules/accounts.md – List accounts, health checks, follower stats
• rules/connect.md – OAuth flows, Bluesky app password, Telegram bot token
• rules/platforms.md – Platform-specific data for all 13 platforms
• rules/webhooks.md – Configure webhooks, verify signatures, events
• rules/media.md – Presigned uploads, supported formats, platform limits
• rules/queue.md – Queue management, slots configuration
• rules/analytics.md – YouTube daily views, LinkedIn analytics
• rules/tools.md – Media download, hashtag checker, transcripts
• rules/errors.md – Error codes, rate limits, publishing logs
• rules/sdks.md – Direct API usage examples

Supported Platforms

Twitter/X, Instagram, Facebook, LinkedIn, TikTok, YouTube, Pinterest, Reddit, Bluesky, Threads, Google Business, Telegram, Snapchat

Late – Social Media Scheduling API for Developers