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Quick references to very helpful parts of developer documentation. Languages to code up your applications and Network access points to pull blockchain data form Flow.


  • HTTP API - Access node API
  • FCL JS - Flow Client Library (javascript and typescript)
  • Flow SDKs
  • Cadence - Flow blockchain Smart Contract language, Cadence


Get Flow blockchain data from Access Nodes, both REST and gRPC endpoints are available. Get the current status of mainnet and testnet networks.