Usage Cost
5 coins/call
Quick Start
Use a unified response envelope and call directly from your backend.
https://openapi.toolkk.com/v1/finance-us-shares-klinecURL Example
curl --request POST \
--url 'https://openapi.toolkk.com/v1/finance-us-shares-kline' \
--header 'Content-Type: application/json' \
--header 'X-API-Key: YOUR_API_KEY' \
--data '{\n "symbol": "品种代码",\n "type": "k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...",\n "limit": "返回条数,默认10"\n}'Python Example
import os
import requests
url = "https://openapi.toolkk.com/v1/finance-us-shares-kline"
payload = {
"symbol": "品种代码",
"type": "k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...",
"limit": "返回条数,默认10"
}
headers = {
"Content-Type": "application/json",
"X-API-Key": os.getenv("TOOLKK_API_KEY", "YOUR_API_KEY"),
}
response = requests.request("POST", url, headers=headers, json=payload, timeout=30)
response.raise_for_status()
print(response.json())Go Example
package main
import (
"bytes"
"fmt"
"io"
"net/http"
)
func main() {
endpoint := "https://openapi.toolkk.com/v1/finance-us-shares-kline"
payload := []byte("{\n \"symbol\": \"品种代码\",\n \"type\": \"k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...\",\n \"limit\": \"返回条数,默认10\"\n}")
req, err := http.NewRequest("POST", endpoint, bytes.NewBuffer(payload))
if err != nil {
panic(err)
}
req.Header.Set("Content-Type", "application/json")
req.Header.Set("X-API-Key", "YOUR_API_KEY")
resp, err := http.DefaultClient.Do(req)
if err != nil {
panic(err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
panic(err)
}
fmt.Println(string(body))
}Java Example
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
public class ToolkkExample {
public static void main(String[] args) throws Exception {
String payload = "{\n \"symbol\": \"品种代码\",\n \"type\": \"k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...\",\n \"limit\": \"返回条数,默认10\"\n}";
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://openapi.toolkk.com/v1/finance-us-shares-kline"))
.method("POST", HttpRequest.BodyPublishers.ofString(payload))
.header("Content-Type", "application/json")
.header("X-API-Key", "YOUR_API_KEY")
.build();
HttpResponse<String> response = HttpClient.newHttpClient()
.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());
}
}PHP Example
<?php
$endpoint = 'https://openapi.toolkk.com/v1/finance-us-shares-kline';
$payload = "{\n \"symbol\": \"品种代码\",\n \"type\": \"k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...\",\n \"limit\": \"返回条数,默认10\"\n}";
$ch = curl_init($endpoint);
curl_setopt_array($ch, [
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_HTTPHEADER => [
'Content-Type: application/json',
'X-API-Key: YOUR_API_KEY',
],
CURLOPT_POSTFIELDS => $payload,
]);
$response = curl_exec($ch);
if ($response === false) {
throw new RuntimeException(curl_error($ch));
}
curl_close($ch);
echo $response;Response Example
{
"msg": "成功",
"code": 200,
"taskNo": "279719607212732212780135",
"data": {
"list": [
{
"volume": 1689339,
"high": "220.5800",
"amount": 371739000,
"low": "219.6200",
"day": "2024-07-03 11:00:00",
"close": "220.5400",
"open": "219.8300"
}
]
}
}Examples illustrate the response structure. Actual results depend on the API response.
- Authentication
- Send X-API-Key in request headers
- Rate limit
- 60 req/min
- Timeout
- 5000 ms
Send your API Key in the X-API-Key header from your backend.
Check both HTTP status and business fields before treating a call as successful.
Use retries and backoff together with rate limits in high-frequency scenarios.
Request Fields
Send requests from your server with the key in the X-API-Key header.
Request Fields
Fields are read from the API schema. Missing descriptions and examples are marked as unspecified.
| Path | Type | Required | Description | Sample |
|---|---|---|---|---|
| symbol | string | Yes | 品种代码 | Unspecified |
| type | string | Yes | k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600:季K,43200:半年K,86400:年K | Unspecified |
| limit | string | No | 返回条数,默认10 | Unspecified |
Request Example
{
"symbol": "品种代码",
"type": "k线类型, 1:1分钟,5:五分钟;15:15分钟;30:30分钟,60:60分钟,120:120分钟,240:日K,1200:周K,7200:月K,21600...",
"limit": "返回条数,默认10"
}- Authentication
- Send X-API-Key in request headers
- Rate limit
- 60 req/min
- Timeout
- 5000 ms
Response Fields
Examples illustrate the response structure. Actual results depend on the API response.
Response Fields
Fields are read from the API schema. Missing descriptions and examples are marked as unspecified.
| Path | Type | Required | Description | Sample |
|---|---|---|---|---|
| msg | string | No | 返回码对应描述 | 成功 |
| code | number | No | 返回码,详见返回码说明 | 200 |
| taskNo | string | No | 本次请求号 | 279719607212732212780135 |
| data | object | No | Unspecified | Unspecified |
| data.list | array | No | Unspecified | [{"volume":1689339,"high":"220.5800","amount":371739000,"low":"219.6200","day":"2024-07-03 11:00:00","close":"220.5400","open":"219.8300"}] |
| data.list[] | object | Unspecified | Unspecified | Unspecified |
Response Example
{
"msg": "成功",
"code": 200,
"taskNo": "279719607212732212780135",
"data": {
"list": [
{
"volume": 1689339,
"high": "220.5800",
"amount": 371739000,
"low": "219.6200",
"day": "2024-07-03 11:00:00",
"close": "220.5400",
"open": "219.8300"
}
]
}
}API overview
Capabilities, use cases, limitations, and frequently asked questions.
API Introduction
This API provides historical K-line data query service for specified US stock symbols. It supports various time granularities from 1-minute to yearly K-lines, returning complete market data fields including open, high, low, close prices, trading volume, and turnover. It is suitable for quantitative analysis and technical chart plotting.
Use Cases
- Financial Terminal Development: Provide real-time or historical K-line chart data support for trading software.
- Quantitative Strategy Backtesting: Obtain historical price series at different time granularities for strategy validation.
- Market Monitoring Systems: Build custom US stock price fluctuation monitoring and alert mechanisms.
Request and Response Description
- Request Method: POST
- Core Parameters:
symbol(Required): US stock symbol, e.g., AAPL.type(Required): K-line type, supporting 11 granularities from 1 (1-minute) to 86400 (yearly K).