Ethereum APIs

Blockchain information

curl -X GET 'https://api.blocksdk.com/v2/eth/info' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$blockChain = $ethClient->getBlockChain();

var blockChain = ethClient.getBlockChain()

blockChain = ethClient.getBlockChain()

blockChain = ethClient.getBlockChain()

blockChain := ethClient.GetBlockChain()

{
    "payload": {
        "network": "mainnet",
        "currency": "ETH",
        "last_block_height": 11626683,
        "last_block_hash": "0x5350ee64929f1eedba95de3a9444d2bbfedea4972d040301745b380b7c90f1e9",
        "last_block_datetime": "2021-01-10T10:59:04+00:00",
        "last_block_timestamp": 1610276344,
        "prev_block_height": 11626682,
        "prev_block_hash": "0x4a63ed79e57a1f63c8df5da5f390dea380a2679d32cb49a7659fd4759aab459f",
        "prev_block_datetime": "2021-01-10T10:59:01+00:00",
        "prev_block_timestamp": 1610276341,
        "low_gwei": 17,
        "medium_gwei": 25,
        "high_gwei": 37,
        "unconfirmed_count": 120591
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns information about the Ethereum blockchain.

HTTP Request

GET https://api.blocksdk.com/v2/eth/info

Response

Variable	Type	Description
unconfirmed_count	int	Memory pool transaction count
low_gwei	double	Low fees per kb
medium_gwei	double	Medium fees per kb (3~6 Block)
high_gwei	double	High fees per kb (1~2 Block)

Block information

curl -X GET 'https://api.blocksdk.com/v2/eth/blocks/3000000' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$block = $ethClient->getBlock([
    "block" => 3000000,
    "offset" => 0,
    "limit" => 10,
    "rawtx" => true
]);

var block = ethClient.getBlock({
    "block" : 3000000,
    "rawtx" : false,
    "offset" : 0,
    "limit" : 10
})

block = ethClient.getBlock({
    "block" => 3000000,
    "rawtx" => false,
    "offset" => 0,
    "limit" => 10
})

block = ethClient.getBlock({
    "block" : 3000000,
    "rawtx" : false,
    "offset" : 0,
    "limit" : 10
})

block := ethClient.GetBlock(map[string]interface{}{
      "block" : 3000000,
      "rawtx" : false,
      "offset" : 0,
      "limit" : 10
})

{
    "payload": {
        "hash": "0xee396a86beaade9d6057b72a92b7bf5b40be4997745b437857469557b562a7c3",
        "height": 3000000,
        "extra_data": "0x65746865726d696e65202d20455532",
        "gas_limit": 3996095,
        "gas_used": 269381,
        "miner": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
        "transactions": [
            "0x7c03009d52ec50069adb4311d5225fe2249ce5afb3a9951af258f0f680efb19a",
            .....
        ],
        "transaction_count": 6,
        "total_value": 8.99840163,
        "total_fee": 0.00851086,
        "reward": 5,
        "size": 1643,
        "nonce": "0xe9d09233833686d4",
        "confirmations": 8626779,
        "sha3_uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
        "datetime": "2017-01-15T10:10:35+00:00",
        "timestamp": 1484475035,
        "prev_block_hash": "0x79feeecc59fcd9cd0172a2aa74e0884262a013e9df01ba3de00c4e9fd9030082",
        "prev_block_datetime": "2017-01-15T10:10:17+00:00",
        "prev_block_timestamp": 1484475017,
        "next_block_hash": "0x9d52e9421dfc80b9820a3a06f6ed02fc3835a44b7d4f8a8a28ec6d74e43abcfa",
        "next_block_datetime": "2017-01-15T10:10:55+00:00",
        "next_block_timestamp": 1484475055
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Return information about a specific block

HTTP Request

GET https://api.blocksdk.com/v2/eth/blocks/<block>

URL Parameters

Parameter	Type	Description
block*	string	Block height or block hash

Query Parameters

Parameter	Type	Default	Description
rawtx	boolean	false	If true, return transaction details
offset	int	0	Sequential index number at the beginning of the list of items for a given criterion
limit	int	10	Limit number of item lists for a given criterion

Response

Variable	Type	Description
hash	string	Block Hash
height	string	Block Height
extra_data	string	Additional data in the block
gas_limit	string	Maximum gas_limit allowed for this block
gas_used	string	Total gas used by all transactions in this block
miner	string	Address of beneficiary who received mining rewards
transactions	array	List of transactions contained in the block
transaction_count	int	Total number of transactions in the block
total_value	double	Total transaction amount of all transactions included in the block
total_fee	double	Total fee for all transactions included in the block
reward	double	Block Mining Amount
size	int	Block Size
nonce	string	Is the hash of the generated proof-of-work
datetime	string	Block creation date and time
timestamp	int	Block creation date and time

List of memory pool transactions

curl -X GET 'https://api.blocksdk.com/v2/eth/mempool' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$pool = $ethClient->getMemPool([
    "rawtx" => true,
    "offset" => 0,
    "limit" => 10
]);

var mempool = ethClient.getMemPool({
    "rawtx" : true,
    "offset" : 0,
    "limit" : 10
})

mempool = ethClient.getMemPool({
    "rawtx" => true,
    "offset" => 0,
    "limit" => 10
})

mempool = ethClient.getMemPool({
    "rawtx" : true,
    "offset" : 0,
    "limit" : 10
})

mempool := ethClient.GetMemPool(map[string]interface{}{
      "rawtx" : true,
      "offset" : 0,
      "limit" : 10
})

{
    "payload": {
        "transactions": [
            "0x128a8dc34686e4ab8db8807ad7a6698a6c28875fd0c5315ad9b47c6435875126",
            "0x0196b94d042ec81b57ec51377a811f011c35c540c1279a3a3aa4a5d8fe99cdaf",
            ...
        ],
        "transaction_count": 121059
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns a list of transactions in the memory pool.

HTTP Request

GET https://api.blocksdk.com/v2/eth/mempool

Query Parameters

Parameter	Type	Default	Description
offset	int	0	Sequential index number at the beginning of the list of items for a given criterion
limit	int	10	Limit number of item lists for a given criterion

Response

Variable	Type	Description
transactions	array	List of transactions with memory pool
transaction_count	array	Number of transactions included in the memory pool

Address list

curl -X GET 'https://api.blocksdk.com/v2/eth/addresses' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$addresses = $ethClient->getAddresses([
    "offset" => 0,
    "limit" => 10
]);

var addresses = ethClient.getAddresses({
    "offset" : 0,
    "limit" : 10
})

addresses = ethClient.getAddresses({
    "offset" => 0,
    "limit" => 10
})

addresses = ethClient.getAddresses({
    "offset" : 0,
    "limit" : 10
})

addresses := ethClient.GetAddresses(map[string]interface{}{
    "offset" : 0,
    "limit" : 10
})

{
    "payload": [
        {
            "id": 528,
            "name": "vKbpOkTa4rIxQau4gb75X2yIxLj34aj0UX4",
            "address": "0x81aa731c4c3c5a8b94246f987cc0f61070123dc3",
            "datetime": "2021-01-10T11:30:15+00:00",
            "timestamp": 1610278215
        },

        ...

    ],
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns the created address list.

HTTP Request

GET https://api.blocksdk.com/v2/eth/addresses

Query Parameters

Parameter	Type	Default	Description
offset	int	0	Sequential index number at the beginning of the list of items for a given criterion
limit	int	10	Limit number of item lists for a given criterion

Response

Variable	Type	Description
id	int	Address unique id
name	string	Address unique name
address	string	Ethereum Address
datetime	string	Address creation date and time
timestamp	int	Address creation date and time

Address information

curl -X GET 'https://api.blocksdk.com/v2/eth/addresses/0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$addressInfo = $ethClient->getAddressInfo([
    "address" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "reverse" => true,
    "rawtx" => false,
    "offset" => 0,
    "limit" => 10
]);

var addressInfo = ethClient.getAddressInfo({
    "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "rawtx" : false,
    "reverse" : true,
    "offset" : 0,
    "limit" : 10
})

addressInfo = ethClient.getAddressInfo({
    "address" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "rawtx" => false,
    "reverse" => true,
    "offset" => 0,
    "limit" => 10
})

addressInfo = ethClient.getAddressInfo({
    "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "rawtx" : false,
    "reverse" : true,
    "offset" : 0,
    "limit" : 10
})

addressInfo := ethClient.GetAddressInfo(map[string]interface{}{
      "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
      "rawtx" : false,
      "reverse" : true,
      "offset" : 0,
      "limit" : 10,
})

{
    "payload": {
        "address": "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "nonce": 0,
        "transactions": [
            "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
        ],
        "transaction_count": 1,
        "received_count": 1,
        "total_received": 0.020071,
        "unconfirmed_total_received": 0,
        "spent_count": 0,
        "total_spent": 0,
        "unconfirmed_total_spent": 0,
        "balance": 0.020071000000000002,
        "unconfirmed_balance": 0,
        "unconfirmed_count": 0,
        "first_datetime": "2021-01-11T04:11:12+00:00",
        "first_timestamp": 1610338272,
        "last_datetime": "2021-01-11T04:11:12+00:00",
        "last_timestamp": 1610338272
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns information about a specific address.

HTTP Request

GET https://api.blocksdk.com/v2/eth/addresses/<address>

URL Parameters

Parameter	Type	Description
address*	string	Return information from this address.

Query Parameters

Parameter	Type	Default	Description
rawtx	boolean	false	If true, return transaction details
reverse	boolean	true	If true, the transaction is returned in the most recent order.
offset	int	0	Sequential index number at the beginning of the list of items for a given criterion
limit	int	10	Limit number of item lists for a given criterion

Response

Variable	Type	Description
nonce	int	Number of transactions sent
transactions	array	List of transactions received or sent to the address
transaction_count	int	Number of transactions received or sent to the address
received_count	double	Number of transactions received
spent_count	double	Number of transactions sent
total_received	double	Total amount received
total_spent	double	Total amount sent
unconfirmed_total_received	double	Total amount received not included in the block
unconfirmed_total_spent	double	Total amount sent not included in the block
balance	double	Remaining balance
unconfirmed_count	int	Number of transactions not included in the block
first_datetime	string	Creation date and time of the first transaction that occurred at the address
first_timestamp	int	Creation date and time of the first transaction that occurred at the address
last_datetime	string	Creation date and time of the last transaction that occurred at the address
last_timestamp	int	Creation date and time of the last transaction that occurred at the address

address generation

curl -X POST 'https://api.blocksdk.com/v2/eth/addresses' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$address = $ethClient->createAddress([
    "name" => "test address"
]);

var address = ethClient.createAddress({
    "name" : "test address"
})

address = ethClient.createAddress({
    "name" => "test address"
})

address = ethClient.createAddress({
    "name" : "test address"
})

address := ethClient.CreateAddress(map[string]interface{}{
      "name" : "test address"
})

{
    "payload": {
        "id": 528,
        "address": "0x81aa731c4c3c5a8b94246f987cc0f61070123dc3",
        "private_key": "0xfc64c591ca617edb5dedbad78e624768ff5fb2f79fe2bc61319a8a1d360cab97",
        "datetime": "2021-01-10T11:30:15+00:00",
        "timestamp": 1610278215
    },
    "state": {
        "code": 201,
        "success": true
    }
}

Info

Create an address.

HTTP Request

POST https://api.blocksdk.com/v2/eth/addresses

Body Parameters

Parameter	Type	Default	Description
name	string	random	Wallet name

Response

Variable	Type	Description
id	int	Address unique id
address	string	Generated address
private_key	string	Address key. This value is not stored on the server for security and stability reasons, so it cannot be recovered when lost. Be careful not to lose it.

Address Load

curl -X POST 'https://api.blocksdk.com/v2/eth/addresses/0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a/load`' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token' \
    -d '{"private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58","password":"asdasd1234"}'

$load = $ethClient->loadAddress([
    "address" => "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a",
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "password" => "asdasd1234"
]);

var load = ethClient.loadAddress({
    "address" : "14ydRmjd5Tzg7W2hJJ8nsuZvpQNVcLYCYN",
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "password" : "asdasd1234"

})

load = ethClient.loadAddress({
    "address" => "14ydRmjd5Tzg7W2hJJ8nsuZvpQNVcLYCYN",
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "password" => "asdasd1234"

})

load = ethClient.loadAddress({
    "address" : "14ydRmjd5Tzg7W2hJJ8nsuZvpQNVcLYCYN",
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "password" : "asdasd1234"
})

load := ethClient.LoadAddress(map[string]interface{}{
      "address" : "14ydRmjd5Tzg7W2hJJ8nsuZvpQNVcLYCYN",
      "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
      "password" : "abcdef123456"
})

{
    "payload": {
        "address": "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a",
        "loaded": true
    },
    "state": {
        "code": 201,
        "success": true
    }
}

Info

Load a specific address.

The loaded address can create a transaction with a password without a private_key.

HTTP Request

POST https://api.blocksdk.com/v2/eth/addresses/<address>/load

URL Parameters

Parameter	Type	Description
address*	int	Address to load

Body Parameters

Parameter	Type	Description
password*	string	Loaded addresses require this password when creating a transaction.
private_key*	string	This is the private_key returned when creating the address.

Response

Variable	Type	Description
id	int	Address unique id
loaded	boolean	Loading state

Address unload

curl -X POST 'https://api.blocksdk.com/v2/eth/addresses/0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a/unload' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$unload = $ethClient->unloadAddress([
    "address" => "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a"
]);

var unload = ethClient.unloadAddress({
    "address" : "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a"
})

unload = ethClient.unloadAddress({
    "address" => "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a"
})

unload = ethClient.unloadAddress({
    "address" : "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a"
})

unload := ethClient.UnloadAddress(map[string]interface{}{
      "address" : "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a"
})

{
    "payload": {
        "address": "0x24e10cc3ba369d9ad0d1db15d2ea7e93f40fdf1a",
        "loaded": false
    },
    "state": {
        "code": 201,
        "success": true
    }
}

Info

Unload the loaded address.

HTTP Request

POST https://api.blocksdk.com/v2/eth/addresses/<address>/unload

URL Parameters

Parameter	Type	Description
address*	int	Address to unload

Response

Variable	Type	Description
id	int	Address unique id
loaded	boolean	Loading state

Address balance

curl -X GET 'https://api.blocksdk.com/v2/eth/addresses/0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6/balance' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$addressBalance = $ethClient->getAddressBalance([
    "address" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6"
]);

var addressBalance = ethClient.getAddressBalance({
    "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6"
})

addressBalance = ethClient.getAddressBalance({
    "address" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6"
})

addressBalance = ethClient.getAddressBalance({
    "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6"
})

addressBalance := ethClient.GetAddressBalance(map[string]interface{}{
      "address" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6"
})

{
    "payload": {
        "address": "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "balance": 0.020071,
        "unconfirmed_balance": 0
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns the balance for a specific address.

HTTP Request

GET https://api.blocksdk.com/v2/eth/addresses/<address>/balance

URL Parameters

Parameter	Type	Description
address*	string	Return information from this address.

Response

Variable	Type	Description
balance	double	Remaining balance
unconfirmed_balance	double	Total amount not included in block

Send address amount

curl -X POST 'https://api.blocksdk.com/v2/eth/addresses/0xf5f81e069c9af52763b4b82187cea38505608f39/sendtoaddress' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token' \
    -d '{
        "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
        "to":"0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "amount":0.020071,
        "gas_limit":21000,
        "gwei":286
    }'

$tx = $ethClient->sendToAddress([
    "from" => "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" =>0.020071,
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" => 21000,
    "gwei" => 286
]);

or

$tx = $ethClient->sendToAddress([
    "from" => "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" =>0.020071,
    "password" => "asdasd1234",
    "gas_limit" => 21000,
    "gwei" => 286
]);

var tx = ethClient.sendToAddress({
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 21000,
    "gwei" : 286
})

or

var tx = ethClient.sendToAddress({
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "password" : "asdasd1234",
    "gas_limit" : 21000,
    "gwei" : 286
})

tx = ethClient.sendToAddress({
    "from" => "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" => 0.020071,
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" =. 21000,
    "gwei" => 286
})

or

tx = ethClient.sendToAddress({
    "from" => "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" => "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" => 0.020071,
    "password" => "asdasd1234",
    "gas_limit" =. 21000,
    "gwei" => 286
})

tx = ethClient.sendToAddress({
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 21000,
    "gwei" : 286
})

or

tx = ethClient.sendToAddress({
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "password" : "asdasd1234",
    "gas_limit" : 21000,
    "gwei" : 286
})

tx := ethClient.SendToAddress(map[string]interface{}{
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 21000,
    "gwei" : 286
})

or

tx := ethClient.SendToAddress(map[string]interface{}{
    "from" : "0xf5f81e069c9af52763b4b82187cea38505608f39",
    "to" : "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
    "amount" : 0.020071,
    "password" : "asdasd1234",
    "gas_limit" : 21000,
    "gwei" : 286
})

{
    "payload": {
        "hash": "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511",
        "from": "0xf5f81e069c9af52763b4b82187cea38505608f39",
        "to": "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "value": 0.020071,
        "gas_used": 21000,
        "gas_limit": 21000,
        "gas_price": 2.86e-7,
        "total_fee": 0.006006,
        "nonce": 541,
        "transaction_index": 118,
        "input": "0x",
        "block_hash": "0x42c3c97007c177cc48203b00896c38243a87ddc0b94bec64f56b144d2b7dcc4f",
        "block_height": 11631372,
        "confirmations": 33,
        "datetime": "2021-01-11T04:11:12+00:00",
        "timestamp": 1610338272,
        "status": 1
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Send the amount to a specific address.

HTTP Request

POST https://api.blocksdk.com/v2/eth/addresses/<from>/sendtoaddress

URL Parameters

Parameter	Type	Description
from*	string	Address to which to send the amount

Body Parameters

Parameter	Type	Default	Description
password	string	---	If the address is loaded, you can send the amount by password.
private_key	string	---	If it is an external address or the address is not loaded, this value is required. Issued when creating an address.
gas_limit	int	90000	Maximum gas to be used for trading
gwei	int	Titration gwei	Price per gas to be used in the transaction
to*	string	---	Address to receive coin
amount*	double	---	Amount to send

Response

Transaction Object

Send Transaction

curl -X POST 'https://api.blocksdk.com/v2/eth/transactions/send' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token' \
    -d '{"hex" : "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"}'

$tx = $ethClient->sendTransaction([
    "hex" => "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"
]);

var tx = ethClient.sendTransaction({
    "hex" : "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"
})

tx = ethClient.sendTransaction({
    "hex" => "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"
})

tx = ethClient.sendTransaction({
    "hex" : "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"
})

tx := ethClient.SendTransaction(map[string]interface{}{
    "hex" : "0xf86c0a85046c7cfe0083016dea94d1310c1e038bc12865d3d3997275b3e4737c6302880b503be34d9fe80080269fc7eaaa9c21f59adf8ad43ed66cf5ef9ee1c317bd4d32cd65401e7aaca47cfaa0387d79c65b90be6260d09dcfb780f29dd8133b9b1ceb20b83b7e442b4bfc30cb"
})

{
    "payload": {
        "hash": "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511",
        "from": "0xf5f81e069c9af52763b4b82187cea38505608f39",
        "to": "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "value": 0.020071000000000002,
        "gas_used": 21000,
        "gas_limit": 21000,
        "gas_price": 2.86e-7,
        "total_fee": 0.006006,
        "nonce": 541,
        "transaction_index": 118,
        "input": "0x",
        "block_hash": "0x42c3c97007c177cc48203b00896c38243a87ddc0b94bec64f56b144d2b7dcc4f",
        "block_height": 11631372,
        "confirmations": 33,
        "datetime": "2021-01-11T04:11:12+00:00",
        "timestamp": 1610338272,
        "status": 1
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Send the signed transaction.

HTTP Request

POST https://api.blocksdk.com/v2/eth/transactions/send

Body Parameters

Parameter	Type	Description
hex	string	Signed transaction hex

Response

Transaction Object

Transaction information

curl -X GET 'https://api.blocksdk.com/v2/eth/transactions/0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$tx = $ethClient->getTransaction([
    "hash" => "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
]);

var tx = ethClient.getTransaction({
    "hash" : "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
})

tx = ethClient.getTransaction({
    "hash" => "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
})

tx = ethClient.getTransaction({
    "hash" : "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
})

tx := ethClient.GetTransaction(map[string]interface{}{
    "hash" : "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511"
})

{
    "payload": {
        "hash": "0xf2e44abfafa97f032fd54fa14316c14639649037a8ea40cf9150c878437ad511",
        "from": "0xf5f81e069c9af52763b4b82187cea38505608f39",
        "to": "0xedcf6a54ea0bd22aadb41c59bb82860c424eb7d6",
        "value": 0.020071000000000002,
        "gas_used": 21000,
        "gas_limit": 21000,
        "gas_price": 2.86e-7,
        "total_fee": 0.006006,
        "nonce": 541,
        "transaction_index": 118,
        "input": "0x",
        "block_hash": "0x42c3c97007c177cc48203b00896c38243a87ddc0b94bec64f56b144d2b7dcc4f",
        "block_height": 11631372,
        "confirmations": 33,
        "datetime": "2021-01-11T04:11:12+00:00",
        "timestamp": 1610338272,
        "status": 1
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Return information for a specific transaction.

HTTP Request

GET https://api.blocksdk.com/v2/eth/transactions/<tx_hash>

URL Parameters

Parameter	Type	Description
tx_hash	string	Transaction hash to return transaction information

Response

Transaction Object

ERC20 token information

curl -X GET 'https://api.blocksdk.com/v2/eth/erc20-tokens/0xdac17f958d2ee523a2206206994597c13d831ec7' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$erc20 = $ethClient->getErc20([
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7"
]);

var erc20 = ethClient.getErc20({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7"
})

erc20 = ethClient.getErc20({
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7"
})

erc20 = ethClient.getErc20({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7"
})

erc20 := ethClient.GetErc20(map[string]interface{}{
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7"
})

{
    "payload": {
        "name": "Tether USD",
        "symbol": "USDT",
        "totalSupply": 14340316718.197083,
        "decimals": 6,
        "owner_address": "0xc6cde7c39eb2f0f0095f41570af89efc2c1ea828"
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns the information of the ERC20 token.

HTTP Request

GET https://api.blocksdk.com/v2/eth/erc20-tokens/<contract_address>

URL Parameters

Parameter	Type	Description
contract_address*	string	ERC20 token contract address

Response

Variable	Type	Description
name	string	ERC20 Token name
symbol	string	ERC20 Token symbol
totalSupply	double	Total ERC20 tokens issued
decimals	int	Number of decimal places
owner_address	string	ERC20 token owned address

ERC20 Token Balance

curl -X GET 'https://api.blocksdk.com/v2/eth/erc20-tokens/0xdac17f958d2ee523a2206206994597c13d831ec7/0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b/balance' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token'

$erc20 = $ethClient->getErc20Balance([
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b"
]);

var erc20 = ethClient.getErc20Balance({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b"
})

erc20 = ethClient.getErc20Balance({
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b"
})

erc20 = ethClient.getErc20Balance({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b"
})

erc20 := ethClient.GetErc20Balance(map[string]interface{}{
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b"
})

{
    "payload": {
        "contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
        "address": "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
        "balance": 79766.000087
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Returns the balance of ERC20 tokens at a specific address.

HTTP Request

GET https://api.blocksdk.com/v2/eth/erc20-tokens/<contract_address>/<from>/balance

URL Parameters

Parameter	Type	Description
contract_address*	string	ERC20 token contract address
from*	string	Returns the balance of this address

Response

Variable	Type	Description
contract_address	string	ERC20 token contract address
address	string	Address to check balance
balance	double	Remaining balance

ERC20 Token Transfer

curl -X POST 'https://api.blocksdk.com/v2/eth/erc20-tokens/0xdac17f958d2ee523a2206206994597c13d831ec7/0x4434bfad24fdff68fa965ae337c529bd69ab3a50/transfer' \
    -H 'Content-Type: application/json' \
    -H 'X-API-Token: my-api-token' \
    -d '{
        "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
        "gas_limit" : 60000,
        "gwei" : 449,
        "to" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
        "amount" : 79766
    }'

$erc20 = $ethClient->getErc20Transfer([
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "to" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" => 60000,
    "gwei" => 449,
    "amount" => 79766
]);

var erc20 = ethClient.getErc20Transfer({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "to" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 60000,
    "gwei" : 449,
    "amount" : 79766
})

erc20 = ethClient.getErc20Transfer({
    "contract_address" => "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "to" => "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "private_key" => "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" => 60000,
    "gwei" => 449,
    "amount" => 79766
})

erc20 = ethClient.getErc20Transfer({
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "to" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 60000,
    "gwei" : 449,
    "amount" : 79766
})

erc20 := ethClient.GetErc20Transfer(map[string]interface{}{
    "contract_address" : "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "from" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "to" : "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
    "private_key" : "0x8fc51d42cc3783ac169d820c489edc9ea42c962af4328d65e27f0a932eedac58",
    "gas_limit" : 60000,
    "gwei" : 449,
    "amount" : 79766
})

{
    "payload": {
        "hash": "0xfaa52b0ffd4c82ea42b518b3d0f3c4c1917a05ad9f1363b3e25303c1705803ec",
        "from": "0x4434bfad24fdff68fa965ae337c529bd69ab3a50",
        "to": "0xd6bf2c22cff024a7aca70a29c15dbb6d0424db1b",
        "contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
        "erc20_value": 79766,
        "value": 0,
        "gas_used": 41221,
        "gas_limit": 60000,
        "gas_price": 4.49e-7,
        "total_fee": 0.01850823,
        "nonce": 225,
        "transaction_index": 262,
        "input": "0xa9059cbb000000000000000000000000d6bf2c22cff024a7aca70a29c15dbb6d0424db1b00000000000000000000000000000000000000000000000000000012926c9180",
        "block_hash": "0xc3eaa3d1a326c9683a98e06157b8bc4183549a789101eb890d49b69bc917d5b5",
        "block_height": 11631405,
        "confirmations": 8,
        "datetime": "2021-01-11T04:19:20+00:00",
        "timestamp": 1610338760,
        "status": 1
    },
    "state": {
        "code": 200,
        "success": true
    }
}

Info

Send ERC20 tokens to specific addresses.

HTTP Request

POST https://api.blocksdk.com/v2/eth/erc20-tokens/<contract_address>/<from>/transfer

URL Parameters

Parameter	Type	Description
contract_address*	string	ERC20 token contract address
from*	string	Address to send ERC20 token

Body Parameters

Parameter	Type	Default	Description
password	string	---	If the address is loaded, you can create a transaction with your password.
private_key	string	---	If it is an external address or the address is not loaded, this value is required. Issued when creating an address.
gas_limit	int	90000	Maximum gas to be used for trading
gwei	int	---	Price per gas to be used in the transaction
to*	string	---	Address to receive the token
amount*	double	---	Amount of tokens to send

Response

Transaction Object

Variable	Type	Description
hash	string	Transaction hash
from	string	Sending address
to	string	Receiving address
contract_address	string	Contract address
erc20_value	double	Amount of ERC20 tokens sent
value	double	Amount of ether sent
gas_used	int	The amount of gas determined by being included in the block
gas_limit	int	Max gas
gas_price	double	Price per gas
total_fee	double	Fees used in the transaction
nonce	int	Transaction number from the address to which the amount was sent
transaction_index	int	Transaction number in block
input	string	Transaction data
block_hash	string	Hash of contained block
block_height	string	The height of the included block
datetime	string	Date and time of transaction creation
timestamp	int	Date and time of transaction creation
status	int	Success:1, Error:0