The social media API

One integration for publishing, comments, DMs, and reviews across 11 platforms. Everything you need is on this page — keys, docs, SDKs, sandbox, and machine-readable specs.

One call, every platform. Start free, ship the same day.

Get your API key Quickstart

Free plan No credit card Live in under 5 minutes

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Start building

Everything a first integration needs

Keys, docs, SDKs, a sandbox, and webhooks — the whole surface in one place, so you can get from sign-up to your first published post fast.

Get an API key Start free with 10 posts — no credit card required. Generate a key self-serve in the app under Settings → API Keys; full-access and profile-group-scoped keys are supported. Quickstart From zero to your first published post: authenticate, connect a profile, and send one payload to many platforms. API reference Posts, queues, profiles, comments, direct messages, reviews, webhooks, and calendar — every endpoint with parameters and examples. SDKs Official SDKs for Node, Python, Ruby, and other popular languages, plus plain REST if you prefer raw HTTP. Sandbox environment Sandbox mode is included on all plans: develop and test without real social accounts and without burning platform quota. Webhooks Subscribe to post lifecycle events and get per-platform outcomes pushed to your endpoint instead of polling.
Performance

Fast now, and up when it counts

A low-latency API and the reliability your product can build on — across all 11 platforms, at whatever volume you push through it.

35ms Avg response
11 Platforms
99.97% Uptime
For agents and tooling

Machine-readable resources

Postproxy is built to be consumed by AI agents as well as humans. These endpoints describe the site and API in formats tools can parse directly. Docs pages also serve markdown when requested with Accept: text/markdown.

Try it without an account

The content calendar endpoint needs no API key — one request to see real response shapes:

curl "https://api.postproxy.dev/api/calendar?country=US"
Infrastructure

Serious about where your data lives.

Postproxy runs on European infrastructure, handles credentials the way you'd want your own handled, and is built to meet the highest compliance and security standards.

SECURITY

Security at core

Your data is protected by enterprise-grade encryption, secure APIs, and strict access controls designed to keep everything safe.

HOSTING

Europe hosted

All data is stored and processed on European servers, ensuring sovereignty, reliability, and compliance with local regulations.

COMPLIANCE

Compliant by design

GDPR-compliant today and currently obtaining our SOC 2 Type II certification. We build Postproxy to meet the highest standards for privacy, security, and transparency.

One API for every platform you'll ever post to.

Publishing, comments, DMs, and reviews across 11 platforms — one integration, one key, ready the day you sign up.

Get your API key Read the quickstart