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How Nayax Unified 10+ Products into a Single Documentation Portal Now Receiving 80,000+ Monthly Visits

Scattered PDFs, multiple platforms, no standards and a payments company that needed one authoritative home for everything. Here's how WriteChoice became the Nayax technical writing team and built the infrastructure to support it.

CHALLENGE

Fragmented Documentation

SOLUTION

Centralized Developer Portal

RESULT

80,000+ Monthly Portal Visits

The Problem: A Large Payments Company with No Single Source of Truth

Nayax is a large company operating across the payments space, with a portfolio of more than ten developer-facing products. When they first engaged WriteChoice, the state of their documentation reflected the growing pains of a fast-scaling business that had never built a documentation strategy.

Their documentation was fragmented across multiple platforms, some on ReadMe, others in PDFs, and additional content spread across tools like Stoplight, with no consistent structure or style guide tying any of it together. The consequences were predictable:


  • Sharing documentation with a specific customer for a specific product meant navigating multiple disconnected sources, a slow, error-prone process.

  • No consistent style, terminology, or structure existed across products, leaving customers with an inconsistent experience depending on which product they integrated.

  • Existing content was largely unstructured and hadn't been written to guide developers through integration; it described the product without helping users actually use it.

  • Nayax had no dedicated technical writers, meaning documentation tasks fell to product managers and engineers   pulling them away from core product work.


For a company of Nayax's scale, the absence of a central, branded documentation hub wasn't just a content problem, it was a growth bottleneck.

How WriteChoice Solved It

WriteChoice stepped in as Nayax's embedded technical writing team   working daily alongside product owners to consolidate, standardize, and continuously expand their documentation estate.

Step 1: Audit, Restructure & Establish a Documentation Standard

We began by taking stock of everything Nayax had PDFs, ReadMe pages, Stoplight exports   and auditing it for what could be salvaged, restructured, or needed to be rewritten from scratch. Nothing was published without being brought up to a consistent standard.


We started with the Marshall SDK as a proof of concept reorganizing and rewriting it in full, then adding it to a clean ReadMe project. This gave the wider team a live example of what structured, standards-compliant documentation looked like in practice.

Step 2: Discovery-Led Documentation for Every Product

Nayax's leadership connected WriteChoice directly with product owners across the business. For each new product, we followed a consistent process:


  • Discovery calls to understand the solution, its users, and their integration journey

  • Review of any existing documentation to identify what could be reused or restructured

  • Proposed documentation structure, reviewed and approved before writing began

  • End-to-end writing, testing, and QA with WriteChoice becoming users of the product to validate every flow before publishing

  • Weekly progress reports and monthly review calls with Nayax leadership to maintain full visibility

Step 3: Scaling to 10+ Products on a Single Platform

As Nayax's product portfolio expanded and more teams engaged with WriteChoice, the documentation estate grew to cover all of Nayax's developer products in a single, unified ReadMe project. Every new product release was added with the same standards applied from day one.


We also built a scalable content pipeline   Nayax teams would share product updates with WriteChoice, and we would structure, write, and publish to the portal, acting as a consistent filter between product velocity and documentation quality.

Step 4: Platform Migration to Mintlify

As the portal grew in scope, ReadMe's architecture became constrained,  navigation complexity increased, and the platform struggled to provide a clean, product-level experience for a portfolio of this size.


WriteChoice led the migration to Mintlify, enabling product-specific entry points (customers can now navigate directly to a product like MV Core without wading through everything else), a branded homepage with improved UX, and a more scalable architecture for continued growth.

The Impact

RESULT

80,000+ monthly

visits

RESULT

Streamlined integration across 10+ products

RESULT

80% Support Cost Reduction

  • 80,000+ monthly portal visits, with developers and customers actively using the documentation to discover and integrate Nayax products.

  • Streamlined integration process across all 10+ products, replacing a fragmented, multi-platform experience with a single, navigable developer portal.

  • Increased cross-product discovery customers who came to integrate one Nayax product began finding and adopting others through the unified portal, directly expanding Nayax's customer relationships.

  • A consistent documentation standard across the entire product portfolio, maintained and enforced by WriteChoice as the single technical writing team for Nayax.

  • Always up-to-date documentation, with WriteChoice managing a continuous content pipeline so no product release goes live without complete, quality-checked documentation.

  • 2+ year embedded partnership, with WriteChoice continuing to serve as Nayax's dedicated documentation team as the product portfolio grows.

"WriteChoice didn't just write documentation, they built the entire infrastructure that lets our customers understand and adopt our products. They operate as a true extension of our team."

Nayax Leadership

Ready to Turn Your Documentation into a Growth Engine?

WriteChoice builds and maintains developer documentation portals that accelerate product adoption, reduce support costs, and free your team to focus on what they do best.

CLIENT

NAYAX

INDUSTRY

Fintech / Payments

PARTNERSHIP

2+ Years (2023–Present)