📘
Supported on Klaytn (mainnet) only.

Parameters

Request

Type	Description
20-byte DATA	Address
QUANTITY \| TAG \| HASH	Integer or hexadecimal block number, or the string `"earliest"`, `"latest"` or `"pending"` as in the default block parameter, or block hash.

NOTE: In versions earlier than Klaytn v1.7.0, only integer block number, the string "earliest" and "latest" are available.

Result

Type	Description
QUANTITY	Integer of the number of transactions send from this 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

// Request
curl https://open-platform.nodereal.io/{{apiKey}}/klaytn/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"klay_getTransactionCount","params":["0xc94770007dda54cF92009BFF0dE90c06F603a09f","latest"],"id":1}'

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0x1" // 1
}