jsDelivr

Package info and download stats on jsDelivr CDN

ipfind.io Geographic location of an IP address or any domain name along with some other useful information
IPify A simple IP Address API
IPinfo Another simple IP Address API
Ironfang Render Screenshots, PDFs, dynamic images, QR codes and video from URLs or HTML
Is This Site Down? Check if any website is down, from two continents; live status, uptime history and TLS expiry
isitdownstatus Check if websites and online services are currently down
JSON 2 JSONP Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript
JSONbin.io Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps
JSONPlaceholder Fake REST API for testing and prototyping
jstash Save JSON with one request and get a URL; private JSON for each signed-in user of your app
Keyvalue Simple key-value storage REST API for quick prototyping
Kroki Creates diagrams from textual descriptions

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