FreeAPI

FreeAPI Complete Public API Directory

A centralized, crawlable index of all 1056+ verified public REST APIs across 47 categories, 33 browser-native developer tools, and curated architectural stack hubs. Built for developer discovery and search engines.

Verified APIs1056+
Categories47
Native Tools33
Curated Stacks12

Platform Hubs & Architecture

Interactive

API Explorer & Sandbox

Interactive API search, live cURL builder and instant filters

/en/explorerOpen
33 Tools

Developer Tools Hub

33 browser-native utilities with 0ms edge latency

/en/toolsOpen
12 Stacks

Curated Architectural Stacks

Ready-to-ship production API architectures & recipes

/en/stacksOpen
Community

Submit API (Community Hub)

Submit verified open-source endpoints to our directory

/en/submitOpen
SVG Studio

GitHub SVG Badge Studio

Generate dynamic verified badges for your GitHub README

/en/badgeOpen
Growth

Sponsor & Advertise Hub

Promote developer tools to 50,000+ engineers

/en/advertiseOpen
Individual Edge Utilities (0ms Latency):
UUID & GUID GeneratorJSON Formatter & ValidatorBase64 Encoder & DecoderSecure Password GeneratorQR Code Generator (SVG & PNG)Markdown to HTML ConverterHash & HMAC GeneratorLorem Ipsum Dummy Text GeneratorUnix Timestamp & Date ConverterURL Encoder & DecoderLive Webhook Tester & Event InspectorPDF Merger & Page SplitterLive DNS, SSL & Security Headers InspectorSmart Image Compressor & WebP ConverterPDF Compressor & File ReducerPDF Password Protect & UnlockPDF Watermark Add & Remover (Stamp / Sign)Remove Watermark from PDF OnlineAdd Watermark to PDF (Stamp & Sign)Protect PDF with Password OnlineUnlock PDF Online – Remove PasswordMerge PDF – Combine Multiple Files OnlineSplit PDF Online – Extract PagesBase64 Encoder OnlineBase64 Decoder OnlineURL Encoder OnlineURL Decoder & Parameter ParserCode 128 1D Barcode GeneratorInternational Phone Validator & E.164 FormatterText Readability & Content Metrics AnalyzerICANN RDAP / Modern WHOIS Domain InspectorISO 13616 IBAN & BIC/SWIFT ValidatorIP Geolocation & ASN Lookup

Geliştirici Araçları

158 APIs

Test API'leri, kod çalıştırma ve geliştirici araçları

Explore Category Hub

Sürekli Entegrasyon

5 APIs

CI/CD, build otomasyonu ve kod kalitesi araçları

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Patent ve Fikri Mülkiyet

4 APIs

Patent arama, inovasyon verileri ve fikri mülkiyet

Explore Category Hub

Takip ve Kargo

6 APIs

Kargo takibi, teslimat ve lojistik API'leri

Explore Category Hub