Postproxy

What is Postproxy?

Postproxy.dev offers a unified API for seamless social media publishing to Instagram, Facebook, YouTube, LinkedIn, and X. It automates OAuth, rate limits, retries, content adaptation, and analytics—replacing platform-specific chaos with one reliable endpoint.​ Built for developers and automators using n8n, Zapier, LLMs, or CI/CD, it turns publishing into predictable infrastructure. Generate AI content, route by rules, and publish at scale without manual fixes.​ Free plan available—scale as you grow. MCP included!

Key features

• Publish to multiple social networks with a single consistent API.
• Automatically convert content to match each platform's format and limits.
• Manage OAuth flows, token storage, and automatic refresh for accounts.
• Handle retries, rate limits, quotas, and clear publish state reporting.
• Scale from handfuls to thousands of posts without extra complexity.
• Drop into automation workflows like n8n to publish programmatically.