PostOnce Postproxy

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PostOnce:

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.
Postproxy:

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.
PostOnce:

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
Postproxy:

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
PostOnce:

Audience

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

Audience

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

Support

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

Support

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

API

Offers API Not Supported
Postproxy:

API

Offers API Supported
PostOnce:

Screenshots and Videos

No images available
Postproxy:

Screenshots and Videos

PostOnce:

Pricing

$29/month
Free Version Not Supported
Free Trial Supported
Postproxy:

Pricing

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

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
Postproxy:

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
PostOnce:

Training

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

Training

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

Company Information

PostOnce
Founded: 2025
postonce.to
Postproxy:

Company Information

Postproxy
Founded: 2026
Germany
postproxy.dev
PostOnce:

Alternatives

Postproxy:

Alternatives

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Mallary.ai

Mallary Labs LLC
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Viral Cat

Viral Cat

Spark Games Ltd
Postproxy:
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Postproxy:
SocialRouter

SocialRouter

Trust AI Agency
PostOnce:
Viraly

Viraly

Viraly.io
5.0 out of 5 stars
Postproxy:
PostOnce:

Categories

Postproxy:

Categories

Unified APIs Supported
PostOnce:

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
Postproxy:

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
PostOnce:
Claim PostOnce and update features and information
Claim PostOnce and update features and information
Postproxy:
Claim Postproxy and update features and information
Claim Postproxy and update features and information