Before you configure
Understand rails, ledgers and compliance vocabulary so configurator answers stay accurate.
Knowledge base
Technical Resource Center
A complete library to understand the technologies, architectures and compliance requirements behind modern payment processors.
How to use this library
Technical context for processor projects
Browse languages, frameworks, architectures and compliance topics that shape a modern payment processor. Use this library before or alongside the smart configurator to make sharper scoping decisions.
During scoping
Share category pages with stakeholders when debating stack choices or market constraints.
After you order
Keep a shared reference for engineering, product and risk while the build progresses.
Topic map
What you will typically find
Languages & runtimes
Backend and systems languages used in payment cores and API layers.
Frameworks & APIs
Web frameworks, messaging patterns and integration styles for gateways.
Architectures
Orchestration, ledgers, multi-tenant designs and high-availability patterns.
Compliance standards
PCI, AML/KYC, data protection and regional scheme expectations.
9 resources
Development languages
Programming languages suited for payment infrastructure, spanning high-throughput gateway engines, ledger and core-banking backends, and rapid-iteration APIs. The right choice balances raw performance, ecosystem maturity, hiring availability and the safety guarantees a given payment flow demands.
Explore9 resources
Frameworks
Application frameworks for building payment platforms, from full-stack monoliths for rapid delivery to modular frameworks for large regulated cores and lightweight API frameworks for focused services. The right framework choice shapes team velocity, long-term maintainability, and how easily the platform can later be decomposed into services.
Explore9 resources
Architectures
Software architecture patterns for payment systems, from simple monoliths well suited to early-stage platforms to event-driven and CQRS patterns needed at high transaction volume. The right pattern depends less on company size than on transaction volume, team topology and how strict your audit and replay requirements are.
Explore7 resources
Databases
Data storage solutions for payment workloads, spanning strongly consistent relational stores for ledgers, in-memory stores for sessions and rate limiting, and specialized stores for search and high-volume event logs. Choosing the right database per workload, rather than one database for everything, is one of the most consequential architecture decisions a payment platform makes.
Explore13 resources
Providers & infrastructure
Third-party services commonly integrated into payment platforms, covering identity verification, fraud prevention, communications, and the cloud infrastructure payment systems run on. Very few payment platforms build all of these in-house; knowing which to buy, and from whom, is as much a part of the architecture as the code itself.
Explore8 resources
Security
Security mechanisms for payment platforms, covering how sensitive data is protected at rest and in transit, how access is controlled, and how anomalies are detected and investigated. These controls form the technical backbone that PCI DSS and other compliance frameworks ultimately audit against.
Explore7 resources
Compliance
Regulatory standards and frameworks for payment systems, ranging from card-industry security requirements to regional data protection and open banking directives. Meeting these frameworks is not a one-time certification exercise; most require ongoing evidence collection, monitoring and periodic re-assessment for the life of the platform.
ExploreFAQ
Resource center FAQ
Yes. The public resource library is free to browse. Ordering a processor or service is a separate commercial step.
The configurator captures your markets, rails and architecture choices. These resources explain the concepts behind those choices so your answers are better informed.
No. Articles are educational. Final stack decisions are confirmed during qualification with our engineering team.
Yes. Contact us with the subject you need — we continuously expand categories and articles.
Open a category below, then start the smart configurator or the processor order flow when you are ready to scope a build.
Turn knowledge into a scoped processor
Use the smart configurator to capture markets and architecture, then order a custom build with our team.