PostJay is an AI social media scheduler that writes your captions and auto-posts to all 9 major platforms from one dashboard. Write a post once, tailor it per platform with live previews, and queue it on a visual calendar so it publishes on autopilot. AI captions are tuned to your brand voice, agencies get client approvals, and you can even schedule straight from ChatGPT or Claude. Built to help founders, creators, and agencies stay consistent without living in ten apps.