Build fast.
No infra. No drag.
Launch wallet apps across chains with clean, production-ready APIs
POWERING WEB3's TOP APPS
The strongest foundation for building apps using onchain data
Real-time, synchronous access to blockchain data, without manual indexing.
60+ chains from a single platform, simplifying development across the board.
Rich, structured responses complete with metadata and analytics.
Best-in-class performance, uptime and reliability.
Clear docs, intuitive setup, and a powerful dev experience.
Flexible pricing, top performance. None of the complexity.
No nodes, no databases
Sim IDX offers instant access to the live data your app needs.
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"We were able to both launch and sustain high RPS on Solana and many other EVM chains."
Brandon Kumar, Co-Founder of Layer3
Sim isn't just an API vendor — they're a strategic partner. Their roadmap aligns with our mission to make Farcaster the most user-friendly wallet in crypto.”
Simple, flexible pricing
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