Documentation
Missinglettr API Documentation
Everything you need to integrate with the Missinglettr API and start scheduling posts across 12+ social platforms.
Get Started in 5 Minutes
New to the API? Learn how to authenticate and start scheduling posts.
View Authentication GuideHow the System Works
The Scheduling Flow
📁
Workspace - Your brand/client container
Contains all settings, timezone, and connected accounts
↓
🔗
Social Accounts - Connected platforms
Twitter, LinkedIn, Instagram, etc. linked to workspace
↓
⏰
Post Windows - When posts can be scheduled
Available time slots, blackout days, vacation periods
↓
🎯
Campaigns - Post types and channel targeting
Which content goes to which platforms, start/end dates
↓
🤖
Schedules - Generates optimal posting times
Intelligently schedules months of content across all platforms
Learn more about each concept in the Core Concepts section.