三步上手
从注册到首次 API 响应不到五分钟
获取 API 密钥
免费注册，秒级获取密钥，无需信用卡。
发起首次请求
复制文档示例，支持 cURL、Python、Node.js、PHP。
扩展规模
从免费额度开始，随业务增长升级。
可上生产的 API
与文档和价格页相同的七款产品——真实主机、限额与示例。
Email Validation
热门校验
Validate email addresses with comprehensive syntax, domain, and mailbox verification. Reduce bounces, improve deliverability, and protect your platform from spam.
curl -X GET "https://emailvalidation.cleariflow.com/v1/?api_key=YOUR_API_KEY&email=john.doe%40example.com"
Exchange Rates
查询与数据
Get real-time and historical exchange rates for 80+ currencies with bank-grade accuracy. Perfect for financial applications, e-commerce, and currency conversion services.
curl -X GET "https://exchange-rates.cleariflow.com/v1/live/?api_key=YOUR_API_KEY&base=EUR&target=USD%2CGBP"
IP Geolocation
查询与数据
Get comprehensive location data for any IP address worldwide. Perfect for analytics, fraud prevention, content localization, and security applications.
curl -X GET "https://ipgeolocation.cleariflow.com/v1/?api_key=YOUR_API_KEY&ip_address=8.8.8.8"
User Avatars
生成
Generate customizable user avatars with flexible styling options. Perfect for user profiles, chat applications, and identity systems with PNG or SVG formats.
curl -X GET "https://avatars.cleariflow.com/v1/?api_key=YOUR_API_KEY&name=John+Doe&image_size=128&image_format=png"
Phone Validation
校验
Validate phone numbers with E.164 standard compliance, carrier detection, and comprehensive location data. Perfect for user registration, SMS services, and contact validation.
curl -X GET "https://phonevalidation.cleariflow.com/v1/?api_key=YOUR_API_KEY&phone=1234567890&country=US"
VAT Validation & Rates
校验
Validate VAT numbers through official VIES API and calculate tax rates for EU countries. Perfect for e-commerce, invoicing systems, and tax compliance.
curl -X GET "https://vat.cleariflow.com/v1/validate/?api_key=YOUR_API_KEY&vat_number=SE556656688001"
Bank Validation
校验
Validate international bank accounts (IBAN) and BIC codes with comprehensive format checking. Perfect for payment systems, financial applications, and bank account verification.
curl -X GET "https://bankvalidation.cleariflow.com/v1/iban/?api_key=YOUR_API_KEY&iban=DE89370400440532013000"
按使用付费
每月请求上限与各产品页一致；金额与全站套餐显示使用相同文案键。
Email Validation
Validate email addresses with comprehensive syntax, domain, and mailbox verification. Reduce bounces, improve deliver…