Open VSX
Search and access VS Code extensions from the Open VSX registry
Development · No auth · HTTPS
Development APIs · Page 2
Page 2 of 38
Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
Quotable
Random quotes with authors and tags
Development · No auth · HTTPS
XLSX Inspector
Inspect XLSX/XLSM structure: sheets, formulas, macros and external links
Development · No auth · HTTPS
claudecookie
Convert cookie formats, check Claude sessions and generate Claude Code credentials
Development · No auth · HTTPS
Abacus
Free and simple counting service. You can use it to track page hits and specific events
Development · No auth · HTTPS
AgentDeals
Search and compare developer free tiers, startup credits, and pricing changes
Development · No auth · HTTPS
API Status Check
Real-time status monitoring for 270+ APIs and services
Development · No auth · HTTPS
ArulJohn.com
A simple IP Address API in JSON
Development · No auth · HTTPS
Corsfix
CORS Proxy by Corsfix lets you instantly fetch any resource on the web and bypass CORS errors
Development · No auth · HTTPS
FontDownloader
A hassle free API for managing web fonts provided by Google Fonts
Development · No auth · HTTPS
Image-Charts
Generate charts, QR codes and graph images
Development · No auth · HTTPS
ipapi.is
Public IP Address API with company, ASN and hosting detection support
Development · No auth · HTTPS
IPLocate.io
Fast, free, accurate IP geolocation and threat data (proxy/VPN/hosting detection) API
Development · No auth · HTTPS
JMESPath Free API
Run JMESPath queries on JSON data for filtering, transforming, and extracting results
Development · No auth · HTTPS
OOPSpam
Multiple spam filtering service
Development · No auth · HTTPS
OpenUnfurl
No-signup link unfurl API returning Open Graph, Twitter Card and oEmbed metadata
Development · No auth · HTTPS
PHPhub
Validate PHP code
Development · No auth · HTTPS
Prismix
Real-time uptime for 77 AI APIs (OpenAI, Anthropic, Cursor, Gemini) — free JSON endpoint, no auth required
Development · No auth · HTTPS
Pythonium
Validate Python code
Development · No auth · HTTPS
Shadify
Service for generating data and executing logic to create various games and puzzles
Development · No auth · HTTPS
SQLable
Validate SQL query
Development · No auth · HTTPS
XMLable
Validate XML
Development · No auth · HTTPS
Yamline
Validate Kubernetes manifests
Development · No auth · HTTPS
Agent Nexus
Continuously probed registry of APIs, MCP servers and CLIs callable by agents
Development · No auth · HTTPS