Parameters

type

string

REQUIRED

Request type identifier. Set this value to 'preTransferCheck'

user

string

REQUIRED

The 42-character hexadecimal address of the transfer destination

source

string

REQUIRED

The 42-character hexadecimal address sending the transfer

Returns

object

object

Pre-transfer validation details for the destination

isSanctioned

boolean

Indicates whether the destination address is sanctioned

userExists

boolean

Indicates whether the destination account exists on Hyperliquid

fee

string

Activation fee that applies to the transfer, returned as a decimal string

userHasSentTx

boolean

Indicates whether the destination user has previously sent a transaction

Request

1
curl https://docs-demo.hype-mainnet.quiknode.pro/evm \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"type":"preTransferCheck","user":"0x1442ad477ded1b0028b57621aa7b6f7eadb8f568","source":"0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"}'
5

1
curl https://docs-demo.hype-mainnet.quiknode.pro/evm \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"type":"preTransferCheck","user":"0x1442ad477ded1b0028b57621aa7b6f7eadb8f568","source":"0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"}'
5

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "type": "preTransferCheck",
6
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
7
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
8
});
9

10
var requestOptions = {
11
  method: 'POST',
12
  headers: myHeaders,
13
  body: raw,
14
  redirect: 'follow'
15
};
16

17
fetch("https://docs-demo.hype-mainnet.quiknode.pro/evm", requestOptions)
18
  .then(response => response.text())
19
  .then(result => console.log(result))
20
  .catch(error => console.log('error', error));
21

1
var myHeaders = new Headers();
2
myHeaders.append("Content-Type", "application/json");
3

4
var raw = JSON.stringify({
5
  "type": "preTransferCheck",
6
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
7
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
8
});
9

10
var requestOptions = {
11
  method: 'POST',
12
  headers: myHeaders,
13
  body: raw,
14
  redirect: 'follow'
15
};
16

17
fetch("https://docs-demo.hype-mainnet.quiknode.pro/evm", requestOptions)
18
  .then(response => response.text())
19
  .then(result => console.log(result))
20
  .catch(error => console.log('error', error));
21

1
import requests
2
import json
3

4
url = "https://docs-demo.hype-mainnet.quiknode.pro/evm"
5

6
payload = json.dumps({
7
  "type": "preTransferCheck",
8
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
9
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
10
})
11
headers = {
12
  'Content-Type': 'application/json'
13
}
14

15
response = requests.request("POST", url, headers=headers, data=payload)
16

17
print(response.text)
18

1
import requests
2
import json
3

4
url = "https://docs-demo.hype-mainnet.quiknode.pro/evm"
5

6
payload = json.dumps({
7
  "type": "preTransferCheck",
8
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
9
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
10
})
11
headers = {
12
  'Content-Type': 'application/json'
13
}
14

15
response = requests.request("POST", url, headers=headers, data=payload)
16

17
print(response.text)
18

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.hype-mainnet.quiknode.pro/evm")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "type": "preTransferCheck",
14
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
15
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
16
})
17

18
response = https.request(request)
19
puts response.read_body
20

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.hype-mainnet.quiknode.pro/evm")
6

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "type": "preTransferCheck",
14
  "user": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568",
15
  "source": "0x1442ad477ded1b0028b57621aa7b6f7eadb8f568"
16
})
17

18
response = https.request(request)
19
puts response.read_body
20

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