🔍 Find API | 寻找可靠数据源

The comprehensive guide to reliable data APIs. Stop scraping, start using APIs.

跨领域可靠数据 API 的综合指南。停止爬取，开始使用 API。

⚠️ Core Principle | 核心原则

API First, Scraping Last.

Priority	Method	When to Use	优先级	方法	何时使用
1st	Official API	Always check first	第一	官方 API	始终优先检查
2nd	Third-party API	When official API unavailable/expensive	第二	第三方 API	当官方 API 不可用/太贵
3rd	Public Dataset	For historical/static data	第三	公共数据集	用于历史/静态数据
4th	Web Scraping	Only as last resort	第四	网页爬取	仅作为最后手段

📋 Table of Contents | 目录

1. Stock & Financial Data | 股票与金融数据
2. Weather Data | 天气数据
3. News & Media | 新闻与媒体
4. Maps & Geolocation | 地图与地理定位
5. E-commerce & Products | 电商与商品
6. More domains coming soon... | 更多领域持续完善中...

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1. Stock & Financial Data | 股票与金融数据

1.1 A股市场 / Chinese A-Share Market

API	Rating	Cost	Auth	Data Coverage
AKShare	⭐⭐⭐⭐⭐	Free	None	Real-time quotes, historical K-lines, financial statements, fund flows, dragon-tiger list
Tushare	⭐⭐⭐⭐⭐	Free+Paid	Token	Real-time quotes, historical data, financial statements, margin trading
East Money API	⭐⭐⭐⭐	Free	None	Real-time quotes, fund flows, research reports

Recommended: AKShare (Best for most use cases)

Installation:

pip install akshare

Quick Examples:

import akshare as ak

# 获取A股实时行情
df = ak.stock_zh_a_spot_em()

# 获取个股历史数据
df = ak.stock_zh_a_hist(symbol="000001", period="daily", adjust="qfq")

# 获取财务指标
df = ak.stock_financial_analysis_indicator(symbol="000001")

# 获取资金流向
df = ak.stock_individual_fund_flow(stock="000001")

Documentation: https://akshare.akfamily.xyz

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1.2 港股市场 / Hong Kong Stock Market

API	Rating	Cost	Auth	Data Coverage
AKShare	⭐⭐⭐⭐⭐	Free	None	Real-time quotes, historical data
Tushare	⭐⭐⭐⭐	Free+Paid	Token	Hong Kong stock data

Recommended: AKShare

Quick Examples:

import akshare as ak

# 港股实时行情
df = ak.stock_hk_spot_em()

# 个股历史数据（如腾讯 00700）
df = ak.stock_hk_hist(symbol="00700", period="daily", adjust="qfq")

# 港股通资金
df = ak.stock_hk_ggt_components_em()

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1.3 美股市场 / US Stock Market

API	Rating	Cost	Auth	Data Coverage
yfinance	⭐⭐⭐⭐⭐	Free	None	Real-time quotes, historical data, financials, options
Alpha Vantage	⭐⭐⭐⭐	Free+Paid	API Key	Quotes, technical indicators, forex
Polygon.io	⭐⭐⭐⭐	Free+Paid	API Key	Real-time data, options

Recommended: yfinance (Best free option for US stocks)

Installation:

pip install yfinance

Quick Examples:

import yfinance as yf

# 获取股票信息
stock = yf.Ticker("AAPL")

# 历史数据
hist = stock.history(period="1mo")

# 财务报表
financials = stock.financials
balance_sheet = stock.balance_sheet
cashflow = stock.cashflow

# 股息信息
dividends = stock.dividends

# 推荐分析师评级
recommendations = stock.recommendations

Documentation: https://github.com/ranaroussi/yfinance

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1.4 期货与衍生品 / Futures & Derivatives

API	Rating	Cost	Auth	Data Coverage
AKShare	⭐⭐⭐⭐⭐	Free	None	Domestic futures, international futures
Tushare	⭐⭐⭐⭐	Free+Paid	Token	Futures data

Quick Examples:

import akshare as ak

# 国内期货主力合约
df = ak.futures_zh_main_sina()

# 国际期货
df = ak.futures_foreign_hist(symbol="CL")  # 原油

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1.5 基金数据 / Fund Data

API	Rating	Cost	Auth	Data Coverage
AKShare	⭐⭐⭐⭐⭐	Free	None	Open-end funds, ETFs, money funds
East Money API	⭐⭐⭐⭐	Free	None	Fund rankings, holdings

Quick Examples:

import akshare as ak

# 开放式基金列表
df = ak.fund_open_fund_info_em(fund="000001")

# ETF实时行情
df = ak.fund_etf_spot_em()

# 基金持仓
df = ak.fund_portfolio_em(fund="000001")

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2. Weather Data | 天气数据

API	Rating	Cost	Auth	Data Coverage
OpenWeatherMap	⭐⭐⭐⭐⭐	Free+Paid	API Key	Current weather, forecast, historical
WeatherAPI.com	⭐⭐⭐⭐	Free+Paid	API Key	Weather, astronomy, sports
QWeather 和风天气	⭐⭐⭐⭐	Free+Paid	API Key	中国地区天气数据

Recommended: OpenWeatherMap (Global coverage)

Quick Examples:

import requests

api_key = "YOUR_API_KEY"
city = "Beijing"

# 当前天气
url = f"https://api.openweathermap.org/data/2.5/weather?q={city}&appid={api_key}&units=metric"
response = requests.get(url)
data = response.json()

print(f"Temperature: {data['main']['temp']}°C")
print(f"Weather: {data['weather'][0]['description']}")

Get API Key: https://openweathermap.org/api

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3. News & Media | 新闻与媒体

API	Rating	Cost	Auth	Data Coverage
NewsAPI	⭐⭐⭐⭐⭐	Free+Paid	API Key	Global news articles
GNews	⭐⭐⭐⭐	Free+Paid	API Key	News articles, search
MediaStack	⭐⭐⭐⭐	Free+Paid	API Key	News data

Recommended: NewsAPI

Quick Examples:

import requests

api_key = "YOUR_API_KEY"

# 获取头条新闻
url = f"https://newsapi.org/v2/top-headlines?country=us&apiKey={api_key}"
response = requests.get(url)
articles = response.json()['articles']

for article in articles[:5]:
    print(article['title'])

Get API Key: https://newsapi.org

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4. Maps & Geolocation | 地图与地理定位

API	Rating	Cost	Auth	Data Coverage
OpenStreetMap Nominatim	⭐⭐⭐⭐⭐	Free	None	Geocoding, reverse geocoding
高德地图 API	⭐⭐⭐⭐⭐	Free+Paid	API Key	中国地区地图、导航、POI
百度地图 API	⭐⭐⭐⭐	Free+Paid	API Key	中国地区地图、导航
Google Maps API	⭐⭐⭐⭐	Paid	API Key	Global maps, places, routes

Recommended: Nominatim (Free, no auth) | 高德地图 (中国地区)

Nominatim Quick Examples:

import requests

# 地理编码（地址转坐标）
address = "Beijing, China"
url = f"https://nominatim.openstreetmap.org/search?q={address}&format=json"
response = requests.get(url, headers={'User-Agent': 'AgentApp'})
data = response.json()

print(f"Lat: {data[0]['lat']}, Lon: {data[0]['lon']}")

高德地图 Quick Examples:

import requests

api_key = "YOUR_API_KEY"
address = "北京市朝阳区"

# 地理编码
url = f"https://restapi.amap.com/v3/geocode/geo?address={address}&key={api_key}"
response = requests.get(url)
data = response.json()

print(data['geocodes'][0]['location'])

Get 高德 API Key: https://lbs.amap.com

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5. E-commerce & Products | 电商与商品

API	Rating	Cost	Auth	Data Coverage
淘宝开放平台	⭐⭐⭐⭐	Free+Paid	OAuth	商品搜索, 订单
京东开放平台	⭐⭐⭐⭐	Free+Paid	OAuth	商品, 订单, 物流
Barcode Lookup	⭐⭐⭐	Free+Paid	API Key	Product info by barcode

Note: 电商API通常需要商家认证，普通用户可考虑爬取商品页面或使用第三方服务。

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6. More domains coming soon... | 更多领域持续完善中

Planned additions: - Social Media APIs (Twitter, Weibo, Reddit) - Translation APIs - Image & Video APIs - Scientific & Research Data APIs - Government & Public Data APIs - Real Estate Data APIs - Job & Recruitment APIs

Contribute: If you know reliable APIs in other domains, help expand this skill!

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🔄 Decision Flow | 决策流程

用户需要获取外部数据
    ↓
Step 1: 确定数据类型
├── 股票/金融 → 查看本 Skill 第1节
├── 天气 → 查看本 Skill 第2节
├── 新闻 → 查看本 Skill 第3节
├── 地图/位置 → 查看本 Skill 第4节
├── 电商/商品 → 查看本 Skill 第5节
└── 其他 → 搜索 RapidAPI / Public APIs
    ↓
Step 2: 选择合适的 API
├── 考虑因素：成本、认证难度、数据覆盖、稳定性
└── 优先选择免费/免认证的 API
    ↓
Step 3: 检查环境
├── Python库是否安装？→ pip install xxx
└── API Key是否获取？→ 引导用户注册
    ↓
Step 4: 调用 API 获取数据
    ↓
Step 5: 返回结构化结果

📊 Before vs After Comparison | 效果对比

Metric	Web Scraping	Using API
Speed	30-60 seconds	1-3 seconds
Token Cost	High (entire HTML)	Low (JSON only)
Accuracy	Low (parsing errors)	High (structured data)
Reliability	Low (anti-scraping)	High (stable API)
Maintenance	High (page changes)	Low (stable API)

指标	网页爬取	使用 API
速度	30-60 秒	1-3 秒
Token 成本	高（整个页面）	低（仅 JSON）
准确性	低（解析错误）	高（结构化数据）
稳定性	低（反爬机制）	高（稳定接口）
维护成本	高（页面变化）	低（稳定接口）

🔧 General Setup | 通用安装

Most APIs in this skill require Python. Basic setup:

# 常用数据获取库
pip install akshare yfinance requests pandas

# 可选：更多数据源
pip install tushare

🔍 External Resources | 外部资源

If the data type is not covered in this skill, search these directories:

Resource	URL	Description
RapidAPI	https://rapidapi.com/hub	Largest API marketplace
Public APIs	https://github.com/public-apis/public-apis	Free public APIs list
ProgrammableWeb	https://www.programmableweb.com	API directory

📝 Version | 版本

• Version: 1.0.0
• Created: 2026-03-13
• Last Updated: 2026-03-13
• Maintainer: Community
• Contribution: Welcome to add more reliable data sources

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Remember: API First, Scraping Last.