
Corefy
Boxopay
UniPayGateway
Checkout.com
Adyen
Stripe Connect
White-label acquiring platform to launch and scale payment businesses.

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

Website, pricing, platforms and company facts side by side.
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| Website | neolink.io | diffyn.com |
| Pricing | — | |
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| Company | Startup from the United Kingdom · 10 - 19 employees | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Neolink is a cloud-based, white-label acquiring platform built for PSPs, acquirers, and financial institutions looking to launch and scale payment businesses efficiently. The platform provides an end-to-end ecosystem that includes payment processing, merchant onboarding, technical infrastructure,...
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.


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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing Neolink.io and Diffyn.
Neolink.io's answer
Neolink combines a white-label acquiring platform with built-in compliance, onboarding automation, and fully managed infrastructure. Clients don’t just get software — they get a ready-to-use ecosystem that shortens time-to-market and reduces operational complexity. The platform is scalable, modular, and fully hosted in a PCI DSS certified environment.
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.
Neolink.io's answer
Neolink is ideal for payment service providers and acquirers that want to launch fast and operate under their own brand. Unlike platforms that offer software only, Neolink includes hosting, updates, and business-side support — making it easier to focus on growth, not infrastructure. There’s no vendor lock-in, and the system is flexible enough to fit both startups and established institutions.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Neolink.io's answer
Our primary audience includes:
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
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.
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