--- updatedAt: 2026-09-01T09:50:17.000Z --- Fetch the complete documentation index at: https://docs.blockdaemon.com/llms.txt. Use this file to discover all available pages before exploring further. Append .md to any documentation page URL to get its markdown version. # Overview Easily & quickly interact with on-chain data, broadcast transactions, and build applications with the Blockdaemon RPC API. The Blockdaemon RPC API provides an enterprise-grade blockchain solution with REST and RPC access to 20-plus protocols. It is a fast, flexible, and extensible source of data that requires a minimum time investment to access the most useful data with the least customization needed. We've developed RPC access primarily to cater to the needs of developers and engineers. Leverage our platform to access historical blockchain data swiftly and build decentralized applications (dApps) with unmatched speed and reliability. ## Use Cases ### ➡️ Information on Accounts, Blocks, Chains Retrieve information on the chosen network, from a specific block, or on an address’ stored data on-chain. ### ➡️ Digital Asset Management * **Verify Wallet Balances** - Ensure they contain the expected digital assets * **Monitor Incoming Transactions** - Observe blockchain wallet balance changes to detect incoming digital assets. * **Verify Outgoing Transactions** - Our client monitors transactions to verify that digital assets have been transferred successfully. ### ➡️ Monitor On-Chain Events View and understand events on the blockchain. Easily monitor changes in wallet balances and listen for incoming and outgoing on-chain transactions. ### ➡️ Read and Write Transactions Send transactions between addresses, write on-chain data, and read blockchain address data. ### ➡️ Access Historical Protocol Data at Scale Gain access to performant and cost-effective historical protocol data at scale. Use it to backtest financial models to provide better forecasting and much more. *** ## Supported Protocols {`
# Protocol Network
Algorand Mainnet
Arbitrum Mainnet/Sepolia
Avalanche Mainnet/Testnet
Base Mainnet/Testnet
Bitcoin Mainnet/Testnet3/Testnet4
Bitcoin Cash Mainnet/Testnet
Cosmos Mainnet
Dogecoin Mainnet/Testnet
Ethereum Mainnet/Sepolia/Hoodi
Ink Mainnet
Kusama Mainnet
Litecoin Mainnet/Testnet
NEAR Mainnet
Optimism Mainnet
Polkadot Mainnet/Westend
Polygon Mainnet/Amoy
Solana Mainnet/Testnet/Devnet
Soneium Testnet
Stable Mainnet/Testnet
Stellar Mainnet/Testnet
Stellar Soroban Mainnet/Testnet
Tempo Mainnet/Testnet
Tron Mainnet/Nile
X Layer Mainnet/Testnet
XRP Mainnet
`} ## 👋 Need Help? Contact us through [email](mailto:support@blockdaemon.com) or our [support page](https://www.blockdaemon.com/support) for any issues, bugs, or assistance you may need.