
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.

Fiddler
Proxyman.io
HTTP Toolkit
mitmproxy
Surge for Mac
Weer
James
HTTP proxy / HTTP monitor / Reverse Proxy

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | upload-post.com | charlesproxy.com |
| 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 Charles Proxy 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
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Upload-Post and Charles Proxy.
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 Charles Proxy. 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
Charles Proxy is another tool that has a good popularity. It is a web proxy i.e., HTTP proxy or HTTP monitor that runs on your computer. Compared to Paw which works on only macOS, Charles proxy if configured or run...
As the name says, Charles proxy is an HTTP and reverse proxy. It works by routing local traffic through it.
Although thousands of developers around the globe use Wireshark and Charles Proxy, they fail to occupy the top side in the design aspect. Wireshark’s interface is robust and detailed but can be intimidating for...
When comparing Upload-Post and Charles Proxy, 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.
Compare Buffer to Upload-Post or Charles Proxy:

Fiddler is a debugging program for websites.
Compare Fiddler to Upload-Post or Charles Proxy:

Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
Compare Hootsuite to Upload-Post or Charles Proxy:

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Compare Proxyman.io to Upload-Post or Charles Proxy:

Powerful APIs that enable you to send social media posts effortlessly. Post and manage your users social account via an API.
Compare Ayrshare to Upload-Post or Charles Proxy:

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
Compare HTTP Toolkit to Upload-Post or Charles Proxy: