Quicknode

Quicknode provides blockchain infrastructure through a single API key: multi-chain RPC endpoints, real-time blockchain event streams and webhooks, historical backfills, and indexed data that can be queried with SQL. Its product list also includes Blockbook wallet history, Metaplex DAS, Ordinals and Runes APIs, a Swap API, and Solana gRPC streams. The website states support for 76+ chains and 130+ networks.

The website names customers as developers and teams in DeFi, gaming, trading, wallets, fintech and other Web3 sectors, including enterprises. Access ranges from self-serve plans (a free trial and paid Build, Accelerate and Scale tiers priced by API credits and requests per second) to custom Business plans sold through sales contact.

Founded in 2017 according to the company's About page, Quicknode joined Y Combinator (W21) and reports a $35M Series A in 2022 and a $60M Series B in 2023. Co-founder and CEO is Alex Nabutovsky. The headquarters is in Miami, Florida, and the company is remote-friendly. Its open roles at the time of the crawl were senior Go and Go/Rust software engineer positions in the United States and Portugal.

Product: Multi-chain blockchain RPC, real-time streams, historical backfills and indexed data APIs (SQL Explorer, Blockbook, Metaplex DAS, Swap API) accessed through one API key.