
Buffer
Hootsuite
Ayrshare
Postproxy
Later
Postiz
Publer
Social Media API for developers. Post to TikTok, Instagram, YouTube, Facebook & 19 more platforms with one API call. MCP server for Claude/ChatGPT, white-label for SaaS. 70k+ users.

TeraCopy
Ultracopier
Copy Handler
RoboCopy
ExtremeCopy
MiniCopier
KillCopy
FastCopy is the fastest copy, delete, & sync software on Windows.

Which is more popular?
Based on our record, FastCopy seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | upload-post.com | fastcopy.jp |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Upload-Post is a social media API that lets developers post to TikTok, Instagram, YouTube, Facebook, X (Twitter), LinkedIn, Pinterest, Threads and more with a single API call. Built for SaaS platforms, agencies, and developers who need reliable multi-platform publishing without managing...
No description of FastCopy yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of FastCopy yet.
Walkthroughs and reviews on video.
No Upload-Post videos yet. You could help us improve this page by suggesting one.
Windows 8.1 vs UltraCopier vs Teracopy vs SuperCopier4 vs ExtremeCopy vs FastCopy
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Upload-Post and FastCopy.
Upload-Post's answer
Upload-Post is the only API that lets you post to 10+ social platforms with a single endpoint. No need to integrate TikTok, Instagram, YouTube, and Facebook APIs separately — one call handles everything. We also offer true white-label: your users connect their accounts directly, so you never touch their credentials.
Upload-Post's answer
Upload-Post's answer
Upload-Post's answer
We were building a SaaS and needed to post to multiple social platforms. Integrating each API separately was painful — different auth flows, formats, rate limits, and constant breaking changes. So we built Upload-Post to solve it once. Now thousands of developers use it to skip the headache and ship faster.
Share your experience with using Upload-Post and FastCopy. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Upload-Post yet. Be the first one to post
FastCopy offers integration with the Windows shell integration along with x64 capabilities. You can specify a custom buffer speed in MB. In the Include Name and Exclude Name boxes, enter a text that your file name...
FastCopy is one of the simplest and fast copy software for copying data at great speed. It integrates with Windows shell and has awesome features to surprise you as it has different methods to copy large files as per...
The interface may not be the best you can wish for, but this Windows file copy utility is one of the best of its kind. FastCopy is a free PC program that helps you to quickly move your files around (from one drive or...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Upload-Post since Feb 2026.
It's fortunately been years since I have used Windows, but it looks like the old staples are still ahead of the curve: https://fastcopy.jp/ https://www.codesector.com/teracopy (I have certainly forgotten at least one...). - Source: Hacker News / 10 months ago
When comparing Upload-Post and FastCopy, you can also consider the following products.

Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.
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TeraCopy is a compact program designed to copy and move files at the maximum possible speed, providing the user with a lot of features.
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Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
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SuperCopier replaces Windows explorer file copy and adds many features: Transfer resuming, transfer...
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Powerful APIs that enable you to send social media posts effortlessly. Post and manage your users social account via an API.
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the open source, free file copy utility that is: fast, highly customizable
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