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The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, Zuplo seems to be more popular. It has been mentioned 22 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | zuplo.com | diffyn.com |
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| Company | Startup from the United States · 10 - 19 employees | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Zuplo is a light-weight, fully-managed API & MCP Management platform and AI Gateway, built for developers (GitOps, fast deployment, unlimited preview environments, etc.). Hobbyist developers and Engineering leaders alike use Zuplo to quickly: Add auth and access management Add rate limiting...
No description of Diffyn yet.
What each product offers, as listed by its team.


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


No analysis of Zuplo yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Build a Secure API in less than 10 minutes
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Zuplo and Diffyn.
Zuplo's answer
Zuplo is a lightweight API gateway that runs at the edge making it faster than almost any gateway out there. It also is OpenAPI native and support git-based deployments/workflows.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Zuplo's answer
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Zuplo's answer
API engineers and leaders at startups
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Zuplo's answer
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Zuplo and Diffyn. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Zuplo is simple to get started with and very powerful. I built a professional looking and performing API in just a few days. It's so much better than all the other gateways I have used.
We have no reviews of Diffyn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


This is Part 1 of a four-part series on building a fully monetized API with Zuplo, from gateway to self-serve API keys, usage-based plans, MCP server, and developer portal. - Source: dev.to / 6 months ago
This guide also covers structuring your project, transitioning to databases, and tools like Zuplo for API management and monetization. Whether you're a beginner or an experienced developer, this resource helps you build secure, scalable... - Source: dev.to / about 1 year ago
Zuplo’s programmable API gateway transforms your API infrastructure into a comprehensive API integration platform with code-first control and extensive customization capabilities for demanding enterprise environments. - Source: dev.to / about 1 year ago
Tracking Diffyn since Jun 2025.
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