API Portfolio — 5 Free APIs

5 free dev APIs: WHOIS, Company, Email, Geo, Sanctions

API Open Source Developer Tools GitHub發布於 2026年7月19日

什麼是 API Portfolio — 5 Free APIs？

5 production APIs for developers who need data without expensive subscriptions: Domain WHOIS via RDAP, Company Info from Wikipedia + Wikidata, Email Validator with MX + SMTP, IP Geolocation with dual-source fallback, and Sanctions Screener with 20K+ OFAC + UN entities. Built with Cursor AI, no coding skills required. Free tier: 100 requests/month, no credit card. All open source on GitHub.

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