Powerful APIs. Simple integration.
Email, phone, VAT, and bank checks; IP geolocation; exchange rates; and avatars—production endpoints. Limits and plan prices match the billing product (when the site is connected).
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Make your first request
Copy a sample from the docs and run your first call. We support cURL, Python, Node.js, and PHP.
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Production-ready APIs for your stack
The same seven products as in Docs—with real hosts. When connected to billing, limits and prices match your live plans.
Email Validation
PopularValidation
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
Lookup & data
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
Lookup & data
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
Generation
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%20Doe \ &image_size=128 \ &image_format=png
Phone Validation
Validation
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
Validation
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
Validation
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
Pay only for what you use
Monthly request limits match each product page; dollar amounts match plan labels across the site.
Email Validation
Validate email addresses with comprehensive syntax, domain, and mailbox verification. Reduce bounces, improve deliver…