late-api

// Official Late API reference for scheduling posts across 13 social media platforms. Covers authentication, endpoints, webhooks, and platform-specific features. Use when building with the Late Social Media Scheduling API.

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stars:370

forks:70

updated:February 19, 2026

SKILL.mdreadonly

SKILL.md Frontmatter

namelate-api

descriptionOfficial Late API reference for scheduling posts across 13 social media platforms. Covers authentication, endpoints, webhooks, and platform-specific features. Use when building with the Late Social Media Scheduling API.

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