Unified publishing API
Send one request with content and a list of target profiles. Postproxy converts formats and returns per-platform outcomes for each connected network.
Postproxy
Postproxy is a unified social media API for publishing, engagement, and reviews across major platforms. It helps developers, SaaS teams, agencies, and marketers integrate social workflows without building separate platform connections.
Unified social media API
Postproxy is a unified social media API for publishing posts, managing comments and direct messages, and handling reviews across major social platforms. The site positions it as a single integration layer that replaces separate per-platform connections with one REST API and official SDKs.
It is aimed at developers, SaaS products, agencies, marketers, and automation workflows that need to ship social features without owning each platform integration, token refresh flow, or delivery edge case. The product also includes webhooks, publish logs, and infrastructure details such as European hosting and GDPR-oriented handling mentioned on the site.
Features
Engagement management
Reply to comments, respond to direct messages, and manage reviews through the same API used for publishing, so engagement stays in one workflow.
Official SDKs
Use the official REST API and SDKs in TypeScript, Python, Ruby, Go, Java, .NET, and PHP with typed methods and built-in error handling.
Delivery tracking and webhooks
Track delivery with logs, publish states, timestamps, and per-platform results. Webhooks can notify your system when posts are published, failed, retried, or need attention.
Auth and reliability handling
Let Postproxy handle OAuth flows, token storage, automatic refresh, retries, rate limits, and quota awareness instead of building those pieces yourself.
Multi-tenant workflow support
Embed social workflows into SaaS, automation, or agency products with profile group scoping, embedded onboarding, and shared infrastructure.
Use Cases
SaaS social workflow infrastructure
Add social publishing and engagement features directly inside a SaaS product without building and maintaining separate integrations for each network.
Agency operations
Run client publishing and inbox workflows for multiple brands with scoped profile groups, so posts, comments, and DMs stay separated by account.
Automation and AI workflows
Trigger posts, replies, and engagement steps from tools like Claude Code, n8n, Zapier, or other pipelines that need a reliable social action layer.
Marketing operations
Give marketers a single place to publish, monitor outcomes, and manage comments or reviews while keeping status and per-platform results visible.
Pros and Cons
Pros
- Consolidates publishing, comments, DMs, and reviews behind one API.
- Provides official SDKs across several popular languages.
- Handles format conversion, authentication, retries, and delivery state reporting.
- Supports webhook-driven automation and status tracking.
- Includes pricing options from a free tier through paid and enterprise plans.
Cons
- Platform support is broad, but some items are still labeled as coming soon, such as Bluesky on the site evidence.
- Rate limits and quota limits still apply from Postproxy and the underlying social platforms, so throughput is not unlimited.
- The public sources do not provide full detail on every supported object, workflow, or integration edge case.
FAQ
What does Postproxy do?
Postproxy is a unified social media API for publishing, comments, direct messages, and reviews. It also offers official SDKs, webhooks, and developer tooling so teams can integrate social workflows into products or internal systems.
Which languages does Postproxy support?
The source shows official SDKs for TypeScript, Python, Ruby, Go, Java, .NET, and PHP. The SDKs wrap the REST API with idiomatic methods, type definitions, and built-in error handling.
Is there a free plan or custom pricing?
The pricing page shows a Free plan and paid plans billed monthly or annually. It also says higher tiers include larger limits, and enterprise or custom plans are available by contacting Postproxy.
Who is Postproxy for?
Yes. The source describes Postproxy for SaaS, automation and AI workflows, agencies, and marketers, with support for publishing, replies, comments, DMs, reviews, and analytics across connected platforms.
What problems does Postproxy handle for integrations?
Postproxy is built to handle format conversion, authentication, token refresh, retries, rate-limit handling, quota awareness, and publish-state reporting across multiple social platforms.
Quick Facts
- Category
- Developer Tool
- Primary use
- Unified social publishing and engagement API
- Platforms mentioned
- Instagram, TikTok, LinkedIn, X, YouTube, Facebook, Threads, Bluesky
- SDK languages
- TypeScript, Python, Ruby, Go, Java, .NET, PHP
- Pricing shape
- Free plan plus paid monthly or annual plans; enterprise/custom available
- Source domain
- postproxy.dev
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