> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.paradex.trade/api/prod/authentication/evm-auth/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.paradex.trade/_mcp/server.

# EVM Get JWT

POST https://api.prod.paradex.trade/v1/v2/auth

Authenticate an EVM account using SIWE signature and return a JWT

Reference: https://docs.paradex.trade/api/prod/authentication/evm-auth

## Request

### Headers

- `PARADEX-STARKNET-ACCOUNT` (string, required) — Starknet account
- `PARADEX-EVM-SIGNATURE` (string, required) — EVM personal_sign signature
- `PARADEX-SIWE-MESSAGE` (string, required) — Base64-encoded SIWE message
- `PARADEX-AUTHORIZE-ISOLATED-MARKETS` (string, optional) — Optional flag to authorize all isolated market accounts

## Response

### 200

OK

- `jwt_token` (string, optional) — Authentication token

## Errors

### 400 Bad Request Error

Bad Request

- `data` (ResponsesApiErrorData, optional) — any additional data related to the error
- `error` (enum, optional) — unique immutable string identifier for specific error
  - Allowed values: `VALIDATION_ERROR`, `BINDING_ERROR`, `INTERNAL_ERROR`, `NOT_FOUND`, `SERVICE_UNAVAILABLE`, `INVALID_REQUEST_PARAMETER`, `ORDER_ID_NOT_FOUND`, `ORDER_IS_CLOSED`, `ORDER_IS_NOT_OPEN`, `INVALID_ORDER_SIZE`, `CLIENT_ORDER_ID_NOT_FOUND`, `DUPLICATED_CLIENT_ID`, `INVALID_SYMBOL`, `INVALID_TOKEN`, `INVALID_ETHEREUM_ADDRESS`, `INVALID_ETHEREUM_SIGNATURE`, `INVALID_STARKNET_ADDRESS`, `INVALID_STARKNET_SIGNATURE`, `STARKNET_SIGNATURE_VERIFICATION_FAILED`, `ETHEREUM_SIGNER_MISMATCH`, `ETHEREUM_HASH_MISMATCH`, `NOT_ONBOARDED`, `INVALID_TIMESTAMP`, `INVALID_BLOCK_EXPIRATION`, `ACCOUNT_NOT_FOUND`, `MEDIA_NOT_FOUND`, `INVALID_ORDER_SIGNATURE`, `PUBLIC_KEY_INVALID`, `UNAUTHORIZED_ETHEREUM_ADDRESS`, `UNAUTHORIZED_ERROR`, `ETHEREUM_ADDRESS_ALREADY_ONBOARDED`, `EVM_ADDRESS_ALREADY_ONBOARDED`, `MARKET_NOT_FOUND`, `ALLOWLIST_ENTRY_NOT_FOUND`, `USERNAME_IN_USE`, `GEO_IP_BLOCK`, `ETHEREUM_ADDRESS_BLOCKED`, `PROGRAM_NOT_FOUND`, `PROGRAM_NOT_SUPPORTED`, `INVALID_DASHBOARD`, `MARKET_NOT_OPEN`, `MARKET_NOT_SETTLED`, `INVALID_REFERRAL_CODE`, `REQUEST_NOT_ALLOWED`, `PARENT_ADDRESS_ALREADY_ONBOARDED`, `INVALID_PARENT_ACCOUNT`, `INVALID_VAULT_OPERATOR_CHAIN`, `VAULT_OPERATOR_ALREADY_ONBOARDED`, `VAULT_NAME_IN_USE`, `VAULT_NOT_FOUND`, `VAULT_STRATEGY_NOT_FOUND`, `VAULT_LIMIT_REACHED`, `VAULT_DATA_PRIVATE`, `BATCH_SIZE_OUT_OF_RANGE`, `ISOLATED_MARKET_ACCOUNT_MISMATCH`, `NO_ACCESS_TO_MARKET`, `POINTS_SUMMARY_NOT_FOUND`, `ALGO_ID_NOT_FOUND`, `INVALID_DERIVATION_PATH`, `PROFILE_STATS_NOT_FOUND`, `INVALID_CHAIN`, `INVALID_LAYERSWAP_SWAP`, `SOCIAL_USERNAME_IN_USE`, `INVALID_OAUTH_REQUEST`, `RPI_ACCOUNT_NOT_WHITELISTED`, `SYSTEM_STATUS_POST_ONLY`, `SYSTEM_STATUS_CANCEL_ONLY`, `INVALID_MARKETING_CODE`, `OFFER_NOT_FOUND`, `MARKET_MARGIN_RESTRICTED`, `NOT_UNIQUE`, `ACCOUNT_ALREADY_REFERRED`, `ONBOARDING_PERIOD_EXPIRED`, `ONBOARDING_RATE_LIMITED`, `SUBACCOUNTS_LIMIT_EXCEEDED`, `INSUFFICIENT_MIN_CHAIN_BALANCE`, `INSUFFICIENT_EVM_BALANCE`, `PORTFOLIO_MARGIN_ONBOARDING_DISABLED`, `PORTFOLIO_MARGIN_INVALID_ACCOUNT_KIND`, `EVM_VAULT_OPERATORS_DISABLED`, `INVALID_EVM_SIGNATURE`, `EVM_SIGNATURE_VERIFICATION_FAILED`, `INVALID_SUBKEY`, `SUBKEY_NOT_ACTIVATABLE`, `TOKEN_LIMIT_REACHED`, `INVALID_TOKEN_SCOPE`, `IP_NOT_ALLOWED`, `INSUFFICIENT_TRANSFERRABLE_XP`, `TRANSFER_LIMIT_REACHED`, `XP_TRANSFERS_DISABLED`, `BLOCK_TRADE_NOT_FOUND`, `BLOCK_TRADE_NOT_ENABLED`, `BLOCK_TRADE_EXPIRED`, `BLOCK_TRADE_ALREADY_CANCELLED`, `BLOCK_TRADE_INVALID_STATUS`, `BLOCK_TRADE_UNAUTHORIZED`, `BLOCK_TRADE_MISSING_TRADES`, `BLOCK_TRADE_MISSING_SIGNERS`, `BLOCK_TRADE_MISSING_SIGNATURE`, `BLOCK_TRADE_ACCOUNT_MISMATCH`, `BLOCK_TRADE_INVALID_SIGNATURE`, `BLOCK_TRADE_SIGNER_KEY_UNAUTHORIZED`, `BLOCK_TRADE_REPLAYED_SIGNATURE`, `BLOCK_TRADE_SELF_TRADE`, `OFFER_ALREADY_CANCELLED`, `OFFER_INVALID_STATUS`, `OFFER_UNAUTHORIZED`, `OFFER_PARENT_MISMATCH`, `OFFER_PARENT_NOT_ACCEPTING`, `PORTFOLIO_MARGIN_CONFIG_NOT_FOUND`, `MARGIN_CONFIG_NOT_FOUND`, `MMP_CONFIG_INVALID`, `MMP_NOT_ENABLED`, `MMP_MIN_FREEZE_NOT_ELAPSED`, `MMP_NOT_CONFIGURED`
- `message` (string, optional) — detailed description of error and how to address it

### 401 Unauthorized Error

Unauthorized

- `data` (ResponsesApiErrorData, optional) — any additional data related to the error
- `error` (enum, optional) — unique immutable string identifier for specific error
  - Allowed values: `VALIDATION_ERROR`, `BINDING_ERROR`, `INTERNAL_ERROR`, `NOT_FOUND`, `SERVICE_UNAVAILABLE`, `INVALID_REQUEST_PARAMETER`, `ORDER_ID_NOT_FOUND`, `ORDER_IS_CLOSED`, `ORDER_IS_NOT_OPEN`, `INVALID_ORDER_SIZE`, `CLIENT_ORDER_ID_NOT_FOUND`, `DUPLICATED_CLIENT_ID`, `INVALID_SYMBOL`, `INVALID_TOKEN`, `INVALID_ETHEREUM_ADDRESS`, `INVALID_ETHEREUM_SIGNATURE`, `INVALID_STARKNET_ADDRESS`, `INVALID_STARKNET_SIGNATURE`, `STARKNET_SIGNATURE_VERIFICATION_FAILED`, `ETHEREUM_SIGNER_MISMATCH`, `ETHEREUM_HASH_MISMATCH`, `NOT_ONBOARDED`, `INVALID_TIMESTAMP`, `INVALID_BLOCK_EXPIRATION`, `ACCOUNT_NOT_FOUND`, `MEDIA_NOT_FOUND`, `INVALID_ORDER_SIGNATURE`, `PUBLIC_KEY_INVALID`, `UNAUTHORIZED_ETHEREUM_ADDRESS`, `UNAUTHORIZED_ERROR`, `ETHEREUM_ADDRESS_ALREADY_ONBOARDED`, `EVM_ADDRESS_ALREADY_ONBOARDED`, `MARKET_NOT_FOUND`, `ALLOWLIST_ENTRY_NOT_FOUND`, `USERNAME_IN_USE`, `GEO_IP_BLOCK`, `ETHEREUM_ADDRESS_BLOCKED`, `PROGRAM_NOT_FOUND`, `PROGRAM_NOT_SUPPORTED`, `INVALID_DASHBOARD`, `MARKET_NOT_OPEN`, `MARKET_NOT_SETTLED`, `INVALID_REFERRAL_CODE`, `REQUEST_NOT_ALLOWED`, `PARENT_ADDRESS_ALREADY_ONBOARDED`, `INVALID_PARENT_ACCOUNT`, `INVALID_VAULT_OPERATOR_CHAIN`, `VAULT_OPERATOR_ALREADY_ONBOARDED`, `VAULT_NAME_IN_USE`, `VAULT_NOT_FOUND`, `VAULT_STRATEGY_NOT_FOUND`, `VAULT_LIMIT_REACHED`, `VAULT_DATA_PRIVATE`, `BATCH_SIZE_OUT_OF_RANGE`, `ISOLATED_MARKET_ACCOUNT_MISMATCH`, `NO_ACCESS_TO_MARKET`, `POINTS_SUMMARY_NOT_FOUND`, `ALGO_ID_NOT_FOUND`, `INVALID_DERIVATION_PATH`, `PROFILE_STATS_NOT_FOUND`, `INVALID_CHAIN`, `INVALID_LAYERSWAP_SWAP`, `SOCIAL_USERNAME_IN_USE`, `INVALID_OAUTH_REQUEST`, `RPI_ACCOUNT_NOT_WHITELISTED`, `SYSTEM_STATUS_POST_ONLY`, `SYSTEM_STATUS_CANCEL_ONLY`, `INVALID_MARKETING_CODE`, `OFFER_NOT_FOUND`, `MARKET_MARGIN_RESTRICTED`, `NOT_UNIQUE`, `ACCOUNT_ALREADY_REFERRED`, `ONBOARDING_PERIOD_EXPIRED`, `ONBOARDING_RATE_LIMITED`, `SUBACCOUNTS_LIMIT_EXCEEDED`, `INSUFFICIENT_MIN_CHAIN_BALANCE`, `INSUFFICIENT_EVM_BALANCE`, `PORTFOLIO_MARGIN_ONBOARDING_DISABLED`, `PORTFOLIO_MARGIN_INVALID_ACCOUNT_KIND`, `EVM_VAULT_OPERATORS_DISABLED`, `INVALID_EVM_SIGNATURE`, `EVM_SIGNATURE_VERIFICATION_FAILED`, `INVALID_SUBKEY`, `SUBKEY_NOT_ACTIVATABLE`, `TOKEN_LIMIT_REACHED`, `INVALID_TOKEN_SCOPE`, `IP_NOT_ALLOWED`, `INSUFFICIENT_TRANSFERRABLE_XP`, `TRANSFER_LIMIT_REACHED`, `XP_TRANSFERS_DISABLED`, `BLOCK_TRADE_NOT_FOUND`, `BLOCK_TRADE_NOT_ENABLED`, `BLOCK_TRADE_EXPIRED`, `BLOCK_TRADE_ALREADY_CANCELLED`, `BLOCK_TRADE_INVALID_STATUS`, `BLOCK_TRADE_UNAUTHORIZED`, `BLOCK_TRADE_MISSING_TRADES`, `BLOCK_TRADE_MISSING_SIGNERS`, `BLOCK_TRADE_MISSING_SIGNATURE`, `BLOCK_TRADE_ACCOUNT_MISMATCH`, `BLOCK_TRADE_INVALID_SIGNATURE`, `BLOCK_TRADE_SIGNER_KEY_UNAUTHORIZED`, `BLOCK_TRADE_REPLAYED_SIGNATURE`, `BLOCK_TRADE_SELF_TRADE`, `OFFER_ALREADY_CANCELLED`, `OFFER_INVALID_STATUS`, `OFFER_UNAUTHORIZED`, `OFFER_PARENT_MISMATCH`, `OFFER_PARENT_NOT_ACCEPTING`, `PORTFOLIO_MARGIN_CONFIG_NOT_FOUND`, `MARGIN_CONFIG_NOT_FOUND`, `MMP_CONFIG_INVALID`, `MMP_NOT_ENABLED`, `MMP_MIN_FREEZE_NOT_ELAPSED`, `MMP_NOT_CONFIGURED`
- `message` (string, optional) — detailed description of error and how to address it

## Types

### ResponsesApiErrorData

any additional data related to the error

## Examples

**Response**

```json
{
  "jwt_token": "eyJhbGciOiJFUzM4NCIsInR5cCI6IkpXVCJ9.eyJ0eXAiOiJhdCtKV1QiLCJleHAiOjE2ODE0NTI5MDcsImlhdCI6MTY4MTQ1MjYwNywiaXNzIjoiUGFyYWRleCBzdGFnaW5nIiwic3ViIjoiMHg0OTVkMmViNTIzNmExMmI4YjRhZDdkMzg0OWNlNmEyMDNjZTIxYzQzZjQ3M2MyNDhkZmQ1Y2U3MGQ5NDU0ZmEifQ.BPihIbGhnnsuPlReqC9x12JFXldpswg5EdA6tTiDQm-_UHaRz_8RfVBqWc2fPN6CzFsXTq7GowZu-2qMxPvZK_fGcxEhTp2k1r8MUxowlUIT4vPu2scCwrsyIujlCAwS"
}
```

**SDK Code**

```python
import requests

url = "https://api.prod.paradex.trade/v1/v2/auth"

headers = {
    "PARADEX-STARKNET-ACCOUNT": "PARADEX-STARKNET-ACCOUNT",
    "PARADEX-EVM-SIGNATURE": "PARADEX-EVM-SIGNATURE",
    "PARADEX-SIWE-MESSAGE": "PARADEX-SIWE-MESSAGE"
}

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

print(response.json())
```

```javascript
const url = 'https://api.prod.paradex.trade/v1/v2/auth';
const options = {
  method: 'POST',
  headers: {
    'PARADEX-STARKNET-ACCOUNT': 'PARADEX-STARKNET-ACCOUNT',
    'PARADEX-EVM-SIGNATURE': 'PARADEX-EVM-SIGNATURE',
    'PARADEX-SIWE-MESSAGE': 'PARADEX-SIWE-MESSAGE'
  }
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

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

func main() {

	url := "https://api.prod.paradex.trade/v1/v2/auth"

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

	req.Header.Add("PARADEX-STARKNET-ACCOUNT", "PARADEX-STARKNET-ACCOUNT")
	req.Header.Add("PARADEX-EVM-SIGNATURE", "PARADEX-EVM-SIGNATURE")
	req.Header.Add("PARADEX-SIWE-MESSAGE", "PARADEX-SIWE-MESSAGE")

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.prod.paradex.trade/v1/v2/auth")

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

request = Net::HTTP::Post.new(url)
request["PARADEX-STARKNET-ACCOUNT"] = 'PARADEX-STARKNET-ACCOUNT'
request["PARADEX-EVM-SIGNATURE"] = 'PARADEX-EVM-SIGNATURE'
request["PARADEX-SIWE-MESSAGE"] = 'PARADEX-SIWE-MESSAGE'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.prod.paradex.trade/v1/v2/auth")
  .header("PARADEX-STARKNET-ACCOUNT", "PARADEX-STARKNET-ACCOUNT")
  .header("PARADEX-EVM-SIGNATURE", "PARADEX-EVM-SIGNATURE")
  .header("PARADEX-SIWE-MESSAGE", "PARADEX-SIWE-MESSAGE")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.prod.paradex.trade/v1/v2/auth', [
  'headers' => [
    'PARADEX-EVM-SIGNATURE' => 'PARADEX-EVM-SIGNATURE',
    'PARADEX-SIWE-MESSAGE' => 'PARADEX-SIWE-MESSAGE',
    'PARADEX-STARKNET-ACCOUNT' => 'PARADEX-STARKNET-ACCOUNT',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.prod.paradex.trade/v1/v2/auth");
var request = new RestRequest(Method.POST);
request.AddHeader("PARADEX-STARKNET-ACCOUNT", "PARADEX-STARKNET-ACCOUNT");
request.AddHeader("PARADEX-EVM-SIGNATURE", "PARADEX-EVM-SIGNATURE");
request.AddHeader("PARADEX-SIWE-MESSAGE", "PARADEX-SIWE-MESSAGE");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "PARADEX-STARKNET-ACCOUNT": "PARADEX-STARKNET-ACCOUNT",
  "PARADEX-EVM-SIGNATURE": "PARADEX-EVM-SIGNATURE",
  "PARADEX-SIWE-MESSAGE": "PARADEX-SIWE-MESSAGE"
]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.prod.paradex.trade/v1/v2/auth")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```