
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.

AfterShip
TrackChecker Mobile
Track24
Package Tracker
1Track
Trackingmore Package Tracker
Deliveries Package Tracker
OneTracker – Package Tracker is an app by OneTracker Team that helps users track all their delivery vehicles and staff to increase the productivity of their delivery business.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|
|
|
|---|---|---|
| Website | upload-post.com | onetracker.app |
| 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 OneTracker 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 OneTracker.
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 OneTracker. For example, how are they different and which one is better?
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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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Track24 app assists you in tracking the packages of more than 600 international courier and postal services from all around the globe.
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