Solutions
Fintech Startups
Neobanks
Money Transfer
Digital Wallets
Crypto & Web3 Banks
Crypto Cards
Crypto Exchanges
Crypto Wallets
Products
Core Banking
White Label Bank
Wallet-as-a-Service
Ledger
Cards Issuing
Crypto Payments
Crypto Wallets
Mobile Applications
KYC & AML Tools
Payment Gateway
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FinLego Developer Hub:
Build Faster, Launch Smarter
API-first documentation, sandbox access, and modular architecture designed to accelerate your fintech integration
What’s Inside Your Developer Hub
Modularity First
Modular architecture with separate domains for plug-and-play flexibility
Microservices architecture is well-aligned with modern development practices
Robust, High-Performance Architecture
Built using enterprise-grade technologies: Java 17, Spring Boot, PostgreSQL & MongoDB, Kafka event bus
Supports scalable deployment: containerized (Kubernetes), cloud or on-prem ready
API-First with Real-Time Tools
Full RESTful API suite (OpenAPI/Swagger-enabled)
Live sandbox with realistic test data for experimentation
Sample apps, Postman collections, webhooks guides.
Technical Resources and Versioning
Comprehensive knowledge base (integration guides, architecture deep dives)
Release notes, patch versions, and upgrade paths
API Functionality Overview
Accounts
Create/manage multi-currency accounts, virtual IBANs, and snapshots
Learn more
Payments & Transfers
Top-up, SEPA/Swift equivalents, internal transfers, statements
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Card Issuing
Virtual & physical cards, security controls, limits, lifecycle management
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Ledger & FX
Multi-currency ledger, exchange rates, markup configurations
Learn more
Onboarding & KYC/AML
Client verification workflows, KYC rules, document handling
Learn more
Connector Integrations
ERP, payment processors, identity providers - enabling fast time-to-market via unified APIs
Learn more
API Functionality Overview
Sandbox Demo Environment
Safe, sandbox mode for testing everything from accounts to crypto workflows
API Reference Docs
Swagger/OpenAPI interface for real-time testing and code generation
Release Notes & Changelog
Stay updated on new features, enhancements, and maintenance releases
API Documentation
Your FinTech Launch Starts Now
The faster path to building a trusted financial product is here. FinLego helps you cut months of development, reduce cost, and go live with confidence - without compromising on performance or compliance.
Book a demo