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About

PostOnce is a social media automation platform for creators, founders, teams, and agencies. It helps users automate crossposting across TikTok, Instagram, YouTube, Facebook, LinkedIn, X, Threads, Bluesky, Reddit, and Pinterest from one workflow. Instead of manually uploading the same content to every platform, users can connect their social accounts, create workflows, schedule posts, and keep their content moving across multiple channels.

About

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.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

PostOnce helps creators, founders, and teams post once and publish everywhere with automatic social media crossposting.

Audience

SaaS companies, Developers, Marketing Agencies, AI Agents, Automators

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$29/month
Free Version Not Supported
Free Trial Supported

Pricing

$17/month
Free plan available, no credit card required. And, the most important, predictable pricing.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

PostOnce
Founded: 2025
postonce.to

Company Information

Postproxy
Founded: 2026
Germany
postproxy.dev

Alternatives

Alternatives

Mallary.ai

Mallary.ai

Mallary Labs LLC
Viraly

Viraly

Viraly.io
SocialRouter

SocialRouter

Trust AI Agency
PlanVortex

PlanVortex

Talia Softworks

Categories

Categories

Unified APIs Supported

Integrations

Facebook Supported
Instagram Supported
LinkedIn Supported
Pinterest Supported
Threads Supported
TikTok Supported
X (Twitter) Supported
YouTube Supported
Bluesky Not Supported
Google Business Profile Not Supported
Reddit Supported
Telegram Not Supported

Integrations

Facebook Supported
Instagram Supported
LinkedIn Supported
Pinterest Supported
Threads Supported
TikTok Supported
X (Twitter) Supported
YouTube Supported
Bluesky Supported
Google Business Profile Supported
Reddit Not Supported
Telegram Supported
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