📘
Supported on Klaytn (mainnet) only.

Parameters

Request

Name	Type	Description
account	20-byte DATA	Address
block number or hash	QUANTITY \| TAG \| HASH	Integer or hexadecimal block number, or the string `"earliest"`, `"latest"` or `"pending"`, 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
Boolean	The existence of an input 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_accountCreated","params":["0xa4f42d4d2a3a13874406435500950c9bf2d783db","latest"],"id":1}'

Result

{
  "jsonrpc":"2.0",
  "id":1,
  "result":true
}