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Package api
Short Description Free API client for website checks: SSL certificate expiry, DNS, WHOIS (RDAP), SPF, DKIM, DMARC, security headers, robots.txt, llms.txt and more.
License MIT
Homepage https://a2z.tools/developers
Informations about the package api
A2Z Tools: free website-check API, SDKs and plugins
Official open-source clients for the A2Z Tools public API: 68 free checks for SSL certificates, DNS, WHOIS (RDAP), email authentication (SPF, DKIM, DMARC, BIMI, MTA-STS), HTTP and security headers, SEO and AI-crawler files (robots.txt, sitemaps, llms.txt, ads.txt) and overall site health.
You can start without a key. A free key from a2z.tools/developers raises the limits.
| Access | Per minute | Per day |
|---|---|---|
| No key (per IP) | 10 | 100 |
| Free key | 60 | 2,000 |
Packages
| Language | Package | Install |
|---|---|---|
| JavaScript / TypeScript | @a2ztools/api |
npm i @a2ztools/api |
| Python | a2ztools |
pip install a2ztools |
| .NET | A2zTools.Api |
dotnet add package A2zTools.Api |
| PHP | a2ztools/api |
composer require a2ztools/api |
| WordPress | A2Z Widgets | calculators, converters and status badges as a block or shortcode |
The OpenAPI 3.1 description is in https://a2z.tools/public-api/v1/openapi.json.
Quick start
Every check returns JSON with ok plus its own fields. ok: false means the check ran but found a problem, for example no DMARC record. Errors such as a bad key or a rate limit raise an exception with status, code and retryAfter.
Endpoint groups
ssl (certificate, protocols, https, https-redirect, hsts, hsts-preload, ocsp, crl, ciphers, certificate-transparency) ·
dns (records, propagation, reverse, dnssec) ·
email (security, spf, dmarc, dkim, bimi, mta-sts, tls-rpt) ·
domain (whois, ip, asn, reverse-ip) ·
http (headers, status, redirects, security-headers, csp, cors, cookies, and more) ·
seo (open-graph, canonical, hreflang, schema, robots-txt, sitemap, llms-txt, ai-crawlers, ads-txt, and more) ·
site (health, audit, security-txt, manifest, favicon, dependencies, vulnerable-libraries, and more).
Full reference with live examples: https://a2z.tools/developers
Development
The per-endpoint code in every SDK is generated from the spec:
Tests: npm test in packages/js, pytest in packages/python, dotnet test in packages/dotnet, vendor/bin/phpunit at the root (PHP).
Fair use and attribution
Only check sites you own or have a legitimate reason to check. If you show the results publicly, please credit Data by A2Z Tools.
A2Z Tools is a product of Reliable Software Technology. SDKs are MIT licensed. The WordPress plugin is GPL-2.0-or-later. Contact: [email protected].
All versions of api with dependencies
ext-json Version *