Zernio
Zernio is a unified social media API platform that enables developers and AI agents to publish, schedule, and manage content across 14+ social networks through a single integration. Instead of building separate integrations with each platform, developers make one API call and Zernio handles authentication, media formatting, rate limits, and platform-specific requirements.
The platform supports post scheduling, content management, comments and DMs automation, analytics tracking, ads management, and media uploads. It integrates with Instagram Business and Creator APIs, TikTok Business API, LinkedIn, YouTube, Twitter/X, Facebook, Pinterest, Reddit, Threads, Bluesky, and WhatsApp Business API.
Features include automatic token refresh, webhook notifications, and rate limit management. Built for SaaS companies, agencies, and AI agent builders, the product is fully white-label.
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Socialync
Socialync is a SaaS platform that enables creators and businesses to manage multiple social media accounts from one dashboard. Built with Next.js and Firebase, it streamlines content distribution across Instagram, TikTok, YouTube, Facebook, Twitter/X, and LinkedIn.
Core Features:
Universal Post Composer: Create once, publish everywhere with platform-specific optimizations
Smart Scheduling: Calendar view, timezone support, queue management, and optimal posting times
Multi-Platform OAuth: Secure connections with automatic token refresh for all major platforms
Media Management: Centralized library for images, videos, and reusable templates
Cross-Platform Publishing: Simultaneous posting with real-time status tracking and error handling
Account Management: Support for multiple accounts per platform
Technical Compliance:
Meta Advanced Access for Instagram/Facebook
TikTok Content Posting API approved
YouTube Data API v3 integration
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Postproxy
Postproxy replaces a dozen platform-specific integrations with a single REST endpoint. Send one request with your content and target profiles, and Postproxy handles format conversion, OAuth, token refresh, rate limits, retries, and per-platform delivery — returning structured outcomes for each network. Beyond publishing, it manages post comments, direct messages, replies to Google Business reviews, and pulls profile and follower stats, covering the full posting lifecycle through one API.
It supports Instagram, Facebook, Threads, TikTok, X, YouTube, LinkedIn, Pinterest, Bluesky, Telegram, and Google Business, with Reddit coming soon. Official SDKs cover TypeScript, Python, Ruby, Go, Java, .NET, and PHP, plus webhooks, an MCP server for AI agents, and integrations with n8n, Zapier, Make, and Needle. Built for SaaS, automation pipelines, and agencies. EU-hosted and GDPR-compliant. Free tier, no credit card required.
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PostSyncer
PostSyncer is a cloud-based, all-in-one AI-powered social media management platform that helps users connect and manage all their social accounts from a single dashboard, schedule posts across more than 10 major networks, and centralize planning, creation, collaboration, engagement, and analytics with smart automation and AI content tools. It offers a drag-and-drop visual content calendar and unified scheduling so you can plan weeks of posts and publish the same content to platforms like Twitter/X, Instagram, Facebook, TikTok, YouTube, LinkedIn, Pinterest, Threads, Telegram, and Bluesky with a single workflow. PostSyncer’s AI Content Agent generates engaging captions, hooks, and high-performing copy, and its media creation tools let you produce AI-generated videos and images quickly, with inspiration from a large trend and viral content library. It supports team collaboration with unlimited members, roles, and approval workflows, plus media & assets library for organizing & reuse.
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