Explore Cronos, an EVM-compatible blockchain for DeFi and NFTs. Benefit from low-cost transactions and cross-chain interoperability.
The Cronos RPC documentation provides developers with a comprehensive guide to interact programmatically with Cronos, an EVM-compatible blockchain. This guide details the available API endpoints for querying blockchain data, submitting transactions, and managing smart contracts. Cronos is optimized for decentralized finance (DeFi) and NFT applications, offering fast transaction speeds and low costs. With support for the Cosmos ecosystem through IBC, developers can easily integrate cross-chain functionality using the detailed RPC interface.
– Related: 📚 Supported Blockchains • 🌐 RPC Nodes → Cronos • 🔗 Official Cronos Website
RPC Gateway for Cronos blockchain
Connect to Cronos and Fetch the Latest Block
This widget lets you instantly query the latest block height (or equivalent) for Cronos using a chain-specific RPC method like eth_blockNumber, getblockcount, or getBlockHeight. Useful for connectivity checks, uptime monitoring, or API testing.
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Retrieve Cronos Node Status or Client Version via RPC
Use this pre-configured request to get version or status information for your connected Cronos node. Whether it's web3_clientVersion, getblockchaininfo, or chain-specific endpoints, the method is optimized for each supported blockchain.
Test Cronos RPC Methods in Postman
Explore and test Cronos blockchain methods instantly using our pre-configured Postman collection. Perfect for developers who want to experiment with Cronos RPC endpoints, validate API responses, or integrate Cronos into their applications.
How to use the Cronos Postman Collection
- Get your API key: Visit Tatum Dashboard to obtain your free API key
- Import the collection: Click the "Run in Postman" button below to import the Cronos collection
- Configure your environment: Update the
gateway-api-keyvariable in the Tatum Gateway environment - Start testing: Execute any Cronos RPC method and see real-time responses
Available Cronos interfaces
Cronos - JSON-RPC
- eth_gettransactionbyhash
- eth_getblocktransactioncountbynumber
- eth_blocknumber
- eth_getblockbyhash
- eth_getblocktransactioncountbyhash
- eth_getstorageat
- txpool_status
- eth_gasprice
- eth_getcode
- debug_traceblockbynumber
- eth_estimategas
- eth_gettransactionbyblockhashandindex
- debug_tracetransaction
- web3_clientversion
- debug_traceblockbyhash
- eth_chainid
- eth_gettransactioncount
- txpool_inspect
- eth_getunclecountbyblocknumber
- eth_getblockbynumber
- txpool_content
- eth_gettransactionbyblocknumberandindex
- eth_maxpriorityfeepergas
- eth_gettransactionreceipt
- eth_getproof
- eth_getlogs
- eth_sendrawtransaction
- eth_getbalance
- eth_getunclecountbyblockhash
- eth_call
- eth_feehistory
Cronos - Tatum API
- Generate Cronos wallet
- Generate Cronos account address from Extended public key
- Generate Cronos private key
- Web3 HTTP driver
- Get current block number
- Get Cronos block by hash
- Get the CRO balance of an Cronos account
- Get Cronos Transaction
- Get count of outgoing Cronos transactions
- Send CRO or fungible tokens (ERC-20) from account to account
- Invoke a method in a smart contract on Cronos
- Broadcast signed Cronos transaction