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Api/KlaytnApi

Klaytn API Reference

// Set your API Keys 👇 here
$sdk = new \Tatum\Sdk();

// MainNet API Call
$sdk->mainnet()->api()->klaytn();

// TestNet API Call
$sdk->testnet()->api()->klaytn();

Methods

Method Description
callKlaytnSmartContractMethod() Invoke a method in a smart contract on Klaytn
callKlaytnSmartContractMethodKMS() Invoke a method in a smart contract on Klaytn
callKlaytnSmartContractReadMethod() Invoke a method in a smart contract on Klaytn
klaytnBroadcast() Broadcast signed Klaytn transaction
klaytnGenerateAddress() Generate Klaytn account address from Extended public key
klaytnGenerateAddressPrivateKey() Generate Klaytn private key
klaytnGenerateWallet() Generate Klaytn wallet
klaytnGetBalance() Get Klaytn Account balance
klaytnGetBlock() Get Klaytn block by hash
klaytnGetCurrentBlock() Get current block number
klaytnGetTransaction() Get Klaytn Transaction
klaytnGetTransactionCount() Get count of outgoing Klaytn transactions
transferKlaytnBlockchain() Send KLAY from account to account
transferKlaytnBlockchainKMS() Send KLAY from account to account

callKlaytnSmartContractMethod()

Example

#️⃣ Execute command in terminal

✨ php -f callKlaytnSmartContractMethod.php

Request

POST /v3/klaytn/smartcontract

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->callKlaytnSmartContractMethod(
    \Tatum\Model\CallKlaytnSmartContractMethod $call_klaytn_smart_contract_method
): \Tatum\Model\CallSmartContractMethod200Response

Parameters

Name Type Description Notes
$call_klaytn_smart_contract_method \Tatum\Model\CallKlaytnSmartContractMethod    

Return type

\Tatum\Model\CallSmartContractMethod200Response

Description

Invoke a method in a smart contract on Klaytn

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callKlaytnSmartContractMethodKMS()

Example

#️⃣ Execute command in terminal

✨ php -f callKlaytnSmartContractMethodKMS.php

Request

POST /v3/klaytn/smartcontract

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->callKlaytnSmartContractMethodKMS(
    \Tatum\Model\CallKlaytnSmartContractMethodKMS $call_klaytn_smart_contract_method_kms
): \Tatum\Model\CallSmartContractMethod200Response

Parameters

Name Type Description Notes
$call_klaytn_smart_contract_method_kms \Tatum\Model\CallKlaytnSmartContractMethodKMS    

Return type

\Tatum\Model\CallSmartContractMethod200Response

Description

Invoke a method in a smart contract on Klaytn

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callKlaytnSmartContractReadMethod()

Example

#️⃣ Execute command in terminal

✨ php -f callKlaytnSmartContractReadMethod.php

Request

POST /v3/klaytn/smartcontract

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->callKlaytnSmartContractReadMethod(
    \Tatum\Model\CallKlaytnSmartContractReadMethod $call_klaytn_smart_contract_read_method
): \Tatum\Model\CallSmartContractMethod200Response

Parameters

Name Type Description Notes
$call_klaytn_smart_contract_read_method \Tatum\Model\CallKlaytnSmartContractReadMethod    

Return type

\Tatum\Model\CallSmartContractMethod200Response

Description

Invoke a method in a smart contract on Klaytn

2 credits per API call

Invoke a method in an existing smart contract on Klaytn.

You can call a read-only or write method.

  • For read-only methods, the output of the invoked method is returned.
  • For write methods, the ID of the associated transaction is returned.

Troubleshooting a failed transaction Tatum ensures that this API works against the blockchain (accesses the blockchain, finds the specified smart contract, and executes the specified ABI method with the provided parameters). However, because this API can be run against any smart contract on the blockchain, Tatum cannot in any way guarantee that the method itself will be executed successfully.

If you have issues with invoking the method, refer to the user documentation for this method, or contact the author of the smart contract.

For more information about invoking methods in smart contracts, see this article on our Support Portal.

Signing a transaction When invoking a method in a smart contract, you are charged a fee for the transaction, and you must sign the transaction with the private key of the blockchain address from which the fee will be deducted.

Providing the private key in the API is not a secure way of signing transactions, because the private key can be stolen or exposed. Your private keys should never leave your security perimeter. You should use the private keys only for testing a solution you are building on the testnet of a blockchain.

For signing transactions on the mainnet, we strongly recommend that you use the Tatum Key Management System (KMS) and provide the signature ID instead of the private key in the API. Alternatively, you can use the Tatum JavaScript client.

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klaytnBroadcast()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnBroadcast.php

Request

POST /v3/klaytn/broadcast

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnBroadcast(
    \Tatum\Model\BroadcastKMS $broadcast_kms
): \Tatum\Model\TransactionHash

Parameters

Name Type Description Notes
$broadcast_kms \Tatum\Model\BroadcastKMS    

Return type

\Tatum\Model\TransactionHash

Description

Broadcast signed Klaytn transaction

2 credits per API call

Broadcast signed transaction to Klaytn blockchain. This method is used internally from Tatum KMS or Tatum client libraries. It is possible to create custom signing mechanism and use this method only for broadcasting data to the blockchain.

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klaytnGenerateAddress()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGenerateAddress.php

Request

GET /v3/klaytn/address/{xpub}/{index}

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGenerateAddress(
    string $xpub,
    float $index
): \Tatum\Model\KlaytnGenerateAddress200Response

Parameters

Name Type Description Notes
$xpub string Extended public key of wallet.  
$index float Derivation index of desired address to be generated.  

Return type

\Tatum\Model\KlaytnGenerateAddress200Response

Description

Generate Klaytn account address from Extended public key

1 credit per API call

Generate Klaytn account deposit address from Extended public key. Deposit address is generated for the specific index - each extended public key can generate up to 2^31 addresses starting from index 0 until 2^31.

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klaytnGenerateAddressPrivateKey()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGenerateAddressPrivateKey.php

Request

POST /v3/klaytn/wallet/priv

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGenerateAddressPrivateKey(
    \Tatum\Model\PrivKeyRequest $priv_key_request
): \Tatum\Model\PrivKey

Parameters

Name Type Description Notes
$priv_key_request \Tatum\Model\PrivKeyRequest    

Return type

\Tatum\Model\PrivKey

Description

Generate Klaytn private key

1 credit per API call

Generate private key of address from mnemonic for given derivation path index. Private key is generated for the specific index - each mnemonic can generate up to 2^31 private keys starting from index 0 until 2^31.

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klaytnGenerateWallet()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGenerateWallet.php

Request

GET /v3/klaytn/wallet

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGenerateWallet(
    [ string $mnemonic ]
): \Tatum\Model\Wallet

Parameters

Name Type Description Notes
$mnemonic string Mnemonic to use for generation of extended public and private keys. [optional]

Return type

\Tatum\Model\Wallet

Description

Generate Klaytn wallet

1 credit per API call

Tatum supports BIP44 HD wallets. It is very convenient and secure, since it can generate 2^31 addresses from 1 mnemonic phrase. Mnemonic phrase consists of 24 special words in defined order and can restore access to all generated addresses and private keys. Each address is identified by 3 main values:

  • Private Key - your secret value, which should never be revealed
  • Public Key - public address to be published
  • Derivation index - index of generated address

Tatum follows BIP44 specification and generates for Klaytn wallet with derivation path m’/44’/966’/0’/0. More about BIP44 HD wallets can be found here - https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki. Generate BIP44 compatible Klaytn wallet.

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klaytnGetBalance()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGetBalance.php

Request

GET /v3/klaytn/account/balance/{address}

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGetBalance(
    string $address
): \Tatum\Model\KlaytnGetBalance200Response

Parameters

Name Type Description Notes
$address string Account address you want to get balance of  

Return type

\Tatum\Model\KlaytnGetBalance200Response

Description

Get Klaytn Account balance

1 credit per API call

Get Klaytn account balance in KLAY. This method does not prints any balance of the ERC20 or ERC721 tokens on the account.

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klaytnGetBlock()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGetBlock.php

Request

GET /v3/klaytn/block/{hash}

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGetBlock(
    string $hash
): \Tatum\Model\KlaytnBlock

Parameters

Name Type Description Notes
$hash string Block hash or block number  

Return type

\Tatum\Model\KlaytnBlock

Description

Get Klaytn block by hash

1 credit per API call

Get Klaytn block by block hash or block number.

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klaytnGetCurrentBlock()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGetCurrentBlock.php

Request

GET /v3/klaytn/block/current

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGetCurrentBlock(): float

Parameters

This endpoint does not need any parameter.

Return type

float

Description

Get current block number

1 credit per API call

Get Klaytn current block number. This is the number of the latest block in the blockchain.

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klaytnGetTransaction()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGetTransaction.php

Request

GET /v3/klaytn/transaction/{hash}

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGetTransaction(
    string $hash
): \Tatum\Model\KlaytnTx

Parameters

Name Type Description Notes
$hash string Transaction hash  

Return type

\Tatum\Model\KlaytnTx

Description

Get Klaytn Transaction

2 credits per API call

Get Klaytn transaction by transaction hash.

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klaytnGetTransactionCount()

Example

#️⃣ Execute command in terminal

✨ php -f klaytnGetTransactionCount.php

Request

GET /v3/klaytn/transaction/count/{address}

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->klaytnGetTransactionCount(
    string $address
): float

Parameters

Name Type Description Notes
$address string address  

Return type

float

Description

Get count of outgoing Klaytn transactions

1 credit per API call

Get a number of outgoing Klaytn transactions for the address. When a transaction is sent, there can be multiple outgoing transactions, which are not yet processed by the blockchain. To distinguish between them, there is a counter called a nonce, which represents the order of the transaction in the list of outgoing transactions.

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transferKlaytnBlockchain()

Example

#️⃣ Execute command in terminal

✨ php -f transferKlaytnBlockchain.php

Request

POST /v3/klaytn/transaction

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->transferKlaytnBlockchain(
    \Tatum\Model\TransferKlaytnBlockchain $transfer_klaytn_blockchain
): \Tatum\Model\TransactionSigned

Parameters

Name Type Description Notes
$transfer_klaytn_blockchain \Tatum\Model\TransferKlaytnBlockchain    

Return type

\Tatum\Model\TransactionSigned

Description

Send KLAY from account to account

2 credits per API call

Send KLAY from account to account.

Signing a transaction

When sending KLAY, you are charged a fee for the transaction, and you must sign the transaction with the private key of the blockchain address from which the fee will be deducted.

Providing the private key in the API is not a secure way of signing transactions, because the private key can be stolen or exposed. Your private keys should never leave your security perimeter. You should use the private keys only for testing a solution you are building on the testnet of a blockchain.

For signing transactions on the mainnet, we strongly recommend that you use the Tatum Key Management System (KMS) and provide the signature ID instead of the private key in the API. Alternatively, you can use the Tatum JavaScript client.

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transferKlaytnBlockchainKMS()

Example

#️⃣ Execute command in terminal

✨ php -f transferKlaytnBlockchainKMS.php

Request

POST /v3/klaytn/transaction

Type signature

(new \Tatum\Sdk())->{mainnet/testnet}()->api()->klaytn()->transferKlaytnBlockchainKMS(
    \Tatum\Model\TransferKlaytnBlockchainKMS $transfer_klaytn_blockchain_kms
): \Tatum\Model\TransactionSigned

Parameters

Name Type Description Notes
$transfer_klaytn_blockchain_kms \Tatum\Model\TransferKlaytnBlockchainKMS    

Return type

\Tatum\Model\TransactionSigned

Description

Send KLAY from account to account

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