
SQD
SQD is the onchain data layer providing validated blockchain data across 225+ networks in real-time and historically.

What is SQD?
SQD is the onchain data layer for Web3, providing validated blockchain data across 225+ networks with real-time and historical coverage. It delivers cryptographically verified data with a 27ms median response time and six validation checks per query, serving teams managing over $11B in total value locked. SQD offers a free public endpoint with zero egress fees, as well as dedicated enterprise portals for teams that need higher limits and production-grade reliability. Its Portal API supports live queries against real blockchain data, and the platform powers use cases across DeFi, compliance, trading, analytics, and AI agents.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

