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> For a complete documentation index, see https://okx-demo.ferndocs.com/api/api-reference/trade/easy-convert/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://okx-demo.ferndocs.com/_mcp/server.

# Place easy convert

POST https://www.okx.com/api/v5/trade/easy-convert
Content-Type: application/json

Convert small currencies to mainstream currencies.

Reference: https://okx-demo.ferndocs.com/api/api-reference/trade/easy-convert

## Authentication

- `OK-ACCESS-KEY` header (required) — Your API key.
- `OK-ACCESS-SIGN` header (required) — Base64-encoded HMAC-SHA256 signature of the prehash string.
- `OK-ACCESS-TIMESTAMP` header (required) — ISO 8601 UTC timestamp, e.g. 2020-12-08T09:08:57.715Z.
- `OK-ACCESS-PASSPHRASE` header (required) — The passphrase you set when creating the API key.

## Request

### Body (application/json)

This endpoint expects an object.

- `fromCcy` (list of string, required) — Type of small payment currency convert from Maximum 5 currencies can be selected in one order. If there are multiple currencies, separate them with commas.
- `toCcy` (string, required) — Type of mainstream currency convert to Only one receiving currency type can be selected in one order and cannot be the same as the small payment currencies.
- `source` (enum, optional) — Funding source `1`: Trading account `2`: Funding account The default is `1`.
  - Allowed values: `1`, `2`

## Response

### 200

Successful response

- `code` (string, optional) — Result code. `0` means success; any other value is an error code.
- `msg` (string, optional) — Error message. Empty on success.
- `data` (list of ApiV5TradeEasyConvertPostResponsesContentApplicationJsonSchemaDataItems, optional)

## Types

### ApiV5TradeEasyConvertPostResponsesContentApplicationJsonSchemaDataItems

- `fromCcy` (string, optional) — Type of small payment currency convert from
- `toCcy` (string, optional) — Type of mainstream currency convert to
- `fillFromSz` (string, optional) — Filled amount of small payment currency convert from
- `fillToSz` (string, optional) — Filled amount of mainstream currency convert to
- `status` (string, optional) — Current status of easy convert `running`: Running `filled`: Filled `failed`: Failed
- `acct` (string, optional) — Account where the conversion occurred.
- `uTime` (string, optional) — Trade time, Unix timestamp format in milliseconds, e.g. 1597026383085

## Examples

**Request**

```json
{
  "fromCcy": [
    "ADA",
    "DOGE"
  ],
  "toCcy": "USDT"
}
```

**Response**

```json
{
  "code": "0",
  "msg": "",
  "data": [
    {
      "fromCcy": "ADA",
      "toCcy": "OKB",
      "fillFromSz": "6.5807127",
      "fillToSz": "0.17171580105126",
      "status": "running",
      "uTime": "1661419684687"
    },
    {
      "fromCcy": "USDC",
      "toCcy": "OKB",
      "fillFromSz": "2.997",
      "fillToSz": "0.1683755161661844",
      "status": "running",
      "uTime": "1661419684687"
    }
  ]
}
```

**SDK Code**

```python trade_easyConvert_example
import requests

url = "https://www.okx.com/api/v5/trade/easy-convert"

payload = {
    "fromCcy": ["ADA", "DOGE"],
    "toCcy": "USDT"
}
headers = {
    "OK-ACCESS-KEY": "<apiKey>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```javascript trade_easyConvert_example
const url = 'https://www.okx.com/api/v5/trade/easy-convert';
const options = {
  method: 'POST',
  headers: {'OK-ACCESS-KEY': '<apiKey>', 'Content-Type': 'application/json'},
  body: '{"fromCcy":["ADA","DOGE"],"toCcy":"USDT"}'
};

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

```go trade_easyConvert_example
package main

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

func main() {

	url := "https://www.okx.com/api/v5/trade/easy-convert"

	payload := strings.NewReader("{\n  \"fromCcy\": [\n    \"ADA\",\n    \"DOGE\"\n  ],\n  \"toCcy\": \"USDT\"\n}")

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

	req.Header.Add("OK-ACCESS-KEY", "<apiKey>")
	req.Header.Add("Content-Type", "application/json")

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

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

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

}
```

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

url = URI("https://www.okx.com/api/v5/trade/easy-convert")

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

request = Net::HTTP::Post.new(url)
request["OK-ACCESS-KEY"] = '<apiKey>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"fromCcy\": [\n    \"ADA\",\n    \"DOGE\"\n  ],\n  \"toCcy\": \"USDT\"\n}"

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

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

HttpResponse<String> response = Unirest.post("https://www.okx.com/api/v5/trade/easy-convert")
  .header("OK-ACCESS-KEY", "<apiKey>")
  .header("Content-Type", "application/json")
  .body("{\n  \"fromCcy\": [\n    \"ADA\",\n    \"DOGE\"\n  ],\n  \"toCcy\": \"USDT\"\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://www.okx.com/api/v5/trade/easy-convert', [
  'body' => '{
  "fromCcy": [
    "ADA",
    "DOGE"
  ],
  "toCcy": "USDT"
}',
  'headers' => [
    'Content-Type' => 'application/json',
    'OK-ACCESS-KEY' => '<apiKey>',
  ],
]);

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

```csharp trade_easyConvert_example
using RestSharp;

var client = new RestClient("https://www.okx.com/api/v5/trade/easy-convert");
var request = new RestRequest(Method.POST);
request.AddHeader("OK-ACCESS-KEY", "<apiKey>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"fromCcy\": [\n    \"ADA\",\n    \"DOGE\"\n  ],\n  \"toCcy\": \"USDT\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift trade_easyConvert_example
import Foundation

let headers = [
  "OK-ACCESS-KEY": "<apiKey>",
  "Content-Type": "application/json"
]
let parameters = [
  "fromCcy": ["ADA", "DOGE"],
  "toCcy": "USDT"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://www.okx.com/api/v5/trade/easy-convert")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

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()
```