API Reference

klay_sendTransaction

Constructs a transaction with given parameters, signs the transaction with a sender's private key and propagates the transaction to Klaytn network.

NOTE: The address to sign with must be unlocked.

📘

Supported on Klaytn (mainnet) only.

Parameters

Request

The required parameters depend on the transaction type.
Check the proper parameters in Working with Klaytn Transaction Types.

Result

TypeDescription
32-byte DATAThe transaction hash

If you deployed a contract, use klay_getTransactionReceipt to get the contract address.

API Endpoint

The format of a Klaytn API endpoint is
https://open-platform.nodereal.io/{{apiKey}}/klaytn/

Here is an example:
https://open-platform.nodereal.io/4c0a1c23661a4e26bcbcwed461e34ea9/klaytn/

Example

params: [{
  "from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
  "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
  "gas": "0x76c0",
  "gasPrice": "0x5d21dba00",
  "value": "0x9184e72a",
  "input": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
}]

// Request
curl https://open-platform.nodereal.io/{{apiKey}}/klaytn/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"klay_sendTransaction","params":[{see above}],"id":1}'

// Result
{
  "jsonrpc": "2.0","id":1,
  "result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
}