
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.
UUID GUID GENERATOR
Dummy File Generator
Data Creator
Contract Generator
Mockaroo
Fileconv UUID Generator
FakerBox
A test data generator (CSV/JSON/XML/SQL). Unlimited number of rows.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
ECR
ExtendsClass Random Data Generator
|
|
|---|---|---|
| Website | upload-post.com | extendsclass.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees · 2025 | 2022 |
| 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...
A test data generator online, no registration to generate data files directly in the browser. An API is available (You must create a free account)
What each product offers, as listed by its team.

No features have been listed yet.
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 ExtendsClass Random Data Generator.
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 ExtendsClass Random Data Generator. For example, how are they different and which one is better?
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