API catalog

Free

DNS Lookup

dev:dns

DNS records of a domain (A, AAAA, MX, TXT, NS, CNAME), useful for checking domain and email setup.

1 endpoint Cloudflare DNS over HTTPS (cloudflare-dns.com)

Free

Firefox Add-ons

dev:firefox-addons

Search Firefox add-ons with version, daily users and rating.

1 endpoint Mozilla Add-ons API (addons.mozilla.org)

Free

Flathub Apps

dev:flathub

Name, summary, developer, license and install count of Linux apps on Flathub.

1 endpoint Flathub API (flathub.org)

Free

npm Registry

dev:npm

Search JavaScript packages on npm and see the latest version, license and repository link.

2 endpoints npm Registry (registry.npmjs.org)

Free

Domain Lookup (RDAP/WHOIS)

dev:rdap

A domain's registration and expiry dates, status, registrar and name servers through RDAP (the official successor …

1 endpoint rdap.org (registry RDAP resmi)

Free

Python Packages (PyPI)

dev:pypi

Latest version, license, Python requirement and release history of a package.

1 endpoint PyPI JSON API (pypi.org)

Free

CVE Vulnerabilities (NVD)

dev:nvd

Description, severity and references for vulnerabilities from the National Vulnerability Database.

2 endpoints NIST National Vulnerability Database API

Free

Known Exploited Vulnerabilities (CISA KEV)

dev:known-exploited

Vulnerabilities proven to be exploited in the wild, with CISA remediation deadlines.

1 endpoint CISA KEV Catalog

Free

Stack Overflow Search

dev:stackoverflow

Search programming questions on Stack Overflow with score, answer count and link.

1 endpoint Stack Exchange API (api.stackexchange.com)

Free

Web Archive (Wayback Machine)

dev:wayback

Find the closest archived copy of a web page in the Wayback Machine, optionally around a given date.

1 endpoint Internet Archive Wayback API (archive.org)