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Letmepost is an open-source social media API that lets developers and AI agents publish and schedule content across X, Instagram, Facebook, Threads, LinkedIn, TikTok, Pinterest, and Bluesky from a single endpoint. It enforces preflight rules and supports idempotency, signed webhooks, and multi-account fanout for reliable delivery.
You can use the hosted service or self-host the same image, and drive it via HTTP or a native MCP server with a stdio binary.
Pricing is flat-rate per organization with a free tier described as generous, though the site doesn't specify exact limits like posts per month or number of connected accounts — worth confirming directly before you commit.
Letmepost is an open-source social media API covering eight platforms — X, Instagram, Facebook, Threads, LinkedIn, TikTok, Pinterest, and Bluesky — with idempotency and signed webhooks built in, so a retried request doesn't end up posting the same content twice.
It's for developers and AI agents that need to publish or schedule posts across multiple social platforms programmatically.
Yes — alongside the HTTP API, Letmepost ships a native MCP server with a stdio binary, so an AI agent can drive publishing and scheduling directly through MCP rather than making REST calls itself.
Yes. Self-hosting runs the same image as the hosted service, so it's not a stripped-down version — it's the same product, just with you managing the infrastructure instead of Letmepost.
