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POST
/
exchange
C deposit
curl --request POST \
  --url https://api.hyperliquid.xyz/exchange \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": {
    "type": "cDeposit",
    "hyperliquidChain": "Mainnet",
    "signatureChainId": "0xa4b1",
    "wei": 1000000000000000000,
    "nonce": 1705234567890
  },
  "nonce": 1705234567890,
  "signature": {
    "r": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "s": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "v": 27
  },
  "vaultAddress": null
}
'
import requests

url = "https://api.hyperliquid.xyz/exchange"

payload = {
    "action": {
        "type": "cDeposit",
        "hyperliquidChain": "Mainnet",
        "signatureChainId": "0xa4b1",
        "wei": 1000000000000000000,
        "nonce": 1705234567890
    },
    "nonce": 1705234567890,
    "signature": {
        "r": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "s": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "v": 27
    },
    "vaultAddress": None
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    action: {
      type: 'cDeposit',
      hyperliquidChain: 'Mainnet',
      signatureChainId: '0xa4b1',
      wei: 1000000000000000000,
      nonce: 1705234567890
    },
    nonce: 1705234567890,
    signature: {
      r: '0x0000000000000000000000000000000000000000000000000000000000000000',
      s: '0x0000000000000000000000000000000000000000000000000000000000000000',
      v: 27
    },
    vaultAddress: null
  })
};

fetch('https://api.hyperliquid.xyz/exchange', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.hyperliquid.xyz/exchange",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'action' => [
        'type' => 'cDeposit',
        'hyperliquidChain' => 'Mainnet',
        'signatureChainId' => '0xa4b1',
        'wei' => 1000000000000000000,
        'nonce' => 1705234567890
    ],
    'nonce' => 1705234567890,
    'signature' => [
        'r' => '0x0000000000000000000000000000000000000000000000000000000000000000',
        's' => '0x0000000000000000000000000000000000000000000000000000000000000000',
        'v' => 27
    ],
    'vaultAddress' => null
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.hyperliquid.xyz/exchange"

	payload := strings.NewReader("{\n  \"action\": {\n    \"type\": \"cDeposit\",\n    \"hyperliquidChain\": \"Mainnet\",\n    \"signatureChainId\": \"0xa4b1\",\n    \"wei\": 1000000000000000000,\n    \"nonce\": 1705234567890\n  },\n  \"nonce\": 1705234567890,\n  \"signature\": {\n    \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"v\": 27\n  },\n  \"vaultAddress\": null\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.hyperliquid.xyz/exchange")
  .header("Content-Type", "application/json")
  .body("{\n  \"action\": {\n    \"type\": \"cDeposit\",\n    \"hyperliquidChain\": \"Mainnet\",\n    \"signatureChainId\": \"0xa4b1\",\n    \"wei\": 1000000000000000000,\n    \"nonce\": 1705234567890\n  },\n  \"nonce\": 1705234567890,\n  \"signature\": {\n    \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"v\": 27\n  },\n  \"vaultAddress\": null\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.hyperliquid.xyz/exchange")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"action\": {\n    \"type\": \"cDeposit\",\n    \"hyperliquidChain\": \"Mainnet\",\n    \"signatureChainId\": \"0xa4b1\",\n    \"wei\": 1000000000000000000,\n    \"nonce\": 1705234567890\n  },\n  \"nonce\": 1705234567890,\n  \"signature\": {\n    \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n    \"v\": 27\n  },\n  \"vaultAddress\": null\n}"

response = http.request(request)
puts response.read_body
{
  "status": "<string>",
  "response": {}
}
You can only use this endpoint on the official Hyperliquid public API. It is not available through Chainstack, as the open-source node implementation does not support it yet. See Hyperliquid methods for the full availability breakdown.
This endpoint requires signature authentication. See our comprehensive Authentication via Signatures guide for implementation details.
Deposits tokens into the consensus layer for staking or validator operations.
Get your own node endpoint todayStart for free and get your app to production levels immediately. No credit card required.You can sign up with your GitHub, X, Google, or Microsoft account.

​
Parameters

​
Required parameters

  • action (object, required) — The action object containing:
    • type (string) — Must be "cDeposit"
    • amount (string) — Amount to deposit
  • nonce (number, required) — Current timestamp in milliseconds (must be recent)
  • signature (object, required) — EIP-712 signature of the action

​
Optional parameters

  • vaultAddress (string, optional) — Address when trading on behalf of a vault or subaccount

​
Returns

Returns an object with the action status:
  • status — "ok" if request processed
  • response — Contains action result data

​
Example request

curl -X POST https://api.hyperliquid.xyz/exchange \
  -H "Content-Type: application/json" \
  -d '{
    "action": {"type": "cDeposit"},
    "nonce": 1234567890123,
    "signature": {...}
  }'

# The hyperliquid-python-sdk has no cDeposit convenience method,
# so build and sign the user-signed action with the SDK primitives.
import eth_account

from hyperliquid.exchange import Exchange
from hyperliquid.utils.constants import MAINNET_API_URL
from hyperliquid.utils.signing import get_timestamp_ms, sign_user_signed_action

# EIP-712 payload for the cDeposit action.
C_DEPOSIT_SIGN_TYPES = [
    {"name": "hyperliquidChain", "type": "string"},
    {"name": "wei", "type": "uint64"},
    {"name": "nonce", "type": "uint64"},
]

wallet = eth_account.Account.from_key("0x...")  # your private key
exchange = Exchange(wallet, MAINNET_API_URL)  # public mainnet endpoint

nonce = get_timestamp_ms()
action = {
    "type": "cDeposit",
    "wei": 1 * 10**8,  # amount of wei to deposit into staking (float \* 1e8)
    "nonce": nonce,
}
signature = sign_user_signed_action(
    wallet,
    action,
    C_DEPOSIT_SIGN_TYPES,
    "HyperliquidTransaction:CDeposit",
    True,  # is_mainnet
)
result = exchange._post_action(action, signature, nonce)
print(result)

import { ExchangeClient, HttpTransport } from "@nktkas/hyperliquid";
import { privateKeyToAccount } from "viem/accounts";

const wallet = privateKeyToAccount("0x..."); // your private key
const transport = new HttpTransport(); // public mainnet endpoint
const exchange = new ExchangeClient({ transport, wallet });

const result = await exchange.cDeposit({
  wei: 1 * 1e8, // amount of wei to deposit into staking (float \* 1e8)
});
console.log(result);

​
Use case

  • C deposit — Deposits tokens into the consensus layer for staking or validator operations.
Always ensure your system clock is synchronized. Nonce must be within a reasonable time window of the current server time or the request will be rejected.

Body

application/json
​
action
object
required
​
nonce
integer
required

Current timestamp in milliseconds

​
signature
object
required

EIP-712 signature of the action with r, s, v components

​
vaultAddress
string | null

Address when trading on behalf of a vault or subaccount (optional)

Response

200 - application/json

Action result

​
status
string

Request status

​
response
object

Action response data

Last modified on June 24, 2026