Kroki
Creates diagrams from textual descriptions
Development · No auth · HTTPS
Development APIs · Page 4
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Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
Lua Decompiler
Online Lua 5.1 Decompiler
Development · No auth · HTTPS
Mocky
Mock user defined test JSON for REST API endpoints
Development · No auth · HTTPS
MyIPRightNow
Public IP address with network, location, and connection details
Development · No auth · HTTPS
Nationalize.io
Estimate the nationality of a first name
Development · No auth · HTTPS
NetworkCalc
Network calculators, including subnets, DNS, binary, and security tools
Development · No auth · HTTPS
NuGet
.NET package versions, metadata and search
Development · No auth · HTTPS
Orca Scan
Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF
Development · No auth · HTTPS
OutageDeck
Live status and incidents for 170+ cloud and SaaS providers from official feeds
Development · No auth · HTTPS
oyyi
API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation
Development · No auth · HTTPS
Phone Specs
Real-time smartphone specifications database for 263 devices
Development · No auth · HTTPS
ProxyForge
Free auto-updating list of live-tested proxies (HTTP/HTTPS/SOCKS4/SOCKS5), refreshed every 6 h
Development · No auth · HTTPS
QR & Barcode
QR codes and barcodes (Code 128, EAN-13, Data Matrix, PDF417 + more). SVG or PNG output
Development · No auth · HTTPS
QR code
Create an easy to read QR code and URL shortener
Development · No auth · HTTPS
QR Code Crafter
Generate static QR codes in SVG, PNG, JPG, WebP, PDF, or EPS
Development · No auth · HTTPS
QuickChart
Generate chart and graph images
Development · No auth · HTTPS
RSS feed to JSON
Returns RSS feed in JSON format using feed URL
Development · No auth · HTTPS
RubyGems
Ruby gem metadata, versions, dependencies and search
Development · No auth · HTTPS
Sonar
Project Sonar DNS Enumeration API
Development · No auth · HTTPS
Statically
A free CDN for developers
Development · No auth · HTTPS
Thunder Client
API testing tool
Development · No auth · HTTPS
TinyMind Agent Tools
Free APIs by an AI agent on a VPS: actor lookup, word-of-the-day, poems, jokes, ping
Development · No auth · HTTPS
Crawl Readiness
Check what 50+ AI crawlers can read on a website and whether a page permits an AI use
Development · API key · HTTPS
SerpKite
Google Search, News, Maps, Images, Scholar and Patents results as JSON or Markdown for AI agents
Development · API key · HTTPS