JSON-RPC APIOverview
The ZKP testnet supports the standard Substrate JSON-RPC interface as well as Ethereum-compatible RPC methods (via the EVM pallet)
This allows developers to
Query blocks and chain state
Check account balances
Send transactions
Interact with smart contracts
Query blocks and chain state
Check account balances
Send transactions
Interact with smart contracts
Documentation
Note: Some RPC namespaces listed in the official docs may not be active in the ZKP Testnet.
Quick Start
Verify the connection to the testnet by calling the latest block
curl -H "Content-Type: application/json" \
-d '{"id":1, "jsonrpc":"2.0", "method":"chain_getBlock", "params":[]}' \
https://rpc.testnet.zkp.comExample response
{
"jsonrpc": "2.0",
"result": {
"block": {
"header": {
"number": "0x12345",
"parentHash": "0x...",
"stateRoot": "0x...",
"extrinsicsRoot": "0x..."
},
"extrinsics": ["0x..."]
}
},
"id": 1
}
Stable Methods in ZKP Testnet
System
`system_health` → Node health status
`system_chain` → Network name
`system_version` → Client version
Chain
`chain_getBlock` → Retrieve block
`chain_getBlockHash` → Block hash by number
`chain_getHeader` → Block header
Author (Transactions)
`author_submitExtrinsic` → Submit transaction
Ethereum RPC (EVM compatibility)
`eth_blockNumber` → Current block number
`eth_getBalance` → Account balance
`eth_sendRawTransaction` → Send signed transaction
Notes
Some methods are only available with specific node flags (*unsafe*)
Some methods are only available with specific node flags (*unsafe*)
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