Synth Finance

Unified API for real-time and historical financial data—built for fintech. Synth Finance is a modern, developer-first API platform that simplifies access to real-time and historical financial data. With a single, unified API, developers can easily in...

Unified API for real-time and historical financial data—built for fintech. Synth Finance is a modern, developer-first API platform that simplifies access to real-time and historical financial data. With a single, unified API, developers can easily integrate currency exchange rates, stock market data, enriched transaction details, institution metadata, and branded logos into their fintech applications. Built for speed, scalability, and ease of use, Synth offers clean documentation, robust security, and seamless onboarding with 1,000 free API calls—no credit card required. Whether you're building personal finance tools, payment platforms, or investment apps, Synth provides production-ready infrastructure trusted by forward-thinking fintech companies like Maybe. By offering a reliable, high-performance data layer, Synth empowers developers to launch faster, build smarter, and scale confidently.