Pricing

from $1.00 / 1,000 successful lookups

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Security Headers Lookup — HSTS, CSP & Header Grade API

Try for free

Check any website's security-relevant HTTP response headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and more) and get an A-F letter grade in one request. No key, no browser, just the live headers a browser would see.

Pricing

from $1.00 / 1,000 successful lookups

Rating

0.0

(0)

Developer

Adrian Voss

Actor stats

Bookmarked

Total users

Monthly active users

32 minutes ago

Last modified

Security Headers Lookup | Apify API through CLI

The Apify CLI is the official tool that allows you to use Security Headers Lookup — HSTS, CSP & Header Grade API locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

Security Headers Lookup — HSTS, CSP & Header Grade API API in Python

Security Headers Lookup — HSTS, CSP & Header Grade API API in JavaScript

Security Headers Lookup — HSTS, CSP & Header Grade API OpenAPI definition

Security Headers Lookup — HSTS, CSP & Header Grade API API

Security Headers Checker - Grade CSP, HSTS, X-Frame-Options

eliai/security-headers-checker

Security headers checker for any URL: pass a list of URLs, get one JSON record per URL with the observed CSP, HSTS, X-Frame-Options and related headers, missing-header findings, and an A–F security grade. $0.02 per URL checked.

Broke to Built

Security Headers Scanner

mahogany_songbird/security-headers-scanner

Report CSP, HSTS, X-Frame-Options, and other security headers with a simple A-F grade.

Britton Furness

HTTP Security Headers Checker

q_services/http-security-headers-checker

Audit HSTS, CSP, X-Frame-Options, Referrer-Policy and other HTTP security headers in bulk.

Q Services

Website Security Headers Checker

gochujang/security-headers-checker

Audit HTTP security headers for any URL: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns a 0-100 score + letter grade + actionable findings. $0.005 per URL.

Hojun Lee

Bulk HTTP Security Headers Analyzer - CSP, HSTS

logiover/bulk-http-security-headers

Analyze HTTP security headers for thousands of URLs. Checks CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and more. Returns pass/fail per header plus a numeric security score. No API key, export to CSV/JSON. Ideal for security audits and compliance scanning.

Logiover

HTTP Security Headers Checker — HSTS, CSP, Grade A-F

ninhothedev/security-headers-checker

$1/1K 🔥 Fast HTTP security headers checker! HSTS, CSP, X-Frame & a grade for any URL. No key. JSON, CSV, Excel or API in seconds. Paste URLs & audit thousands of sites for security & compliance ⚡

ninhothedev

Security Headers Auditor

junipr/security-headers-auditor

Audit website security headers such as CSP, HSTS, X-Frame-Options, Referrer-Policy, and Permissions-Policy.

junipr

Security Headers Validator

stellar_ballet_0bu/security-headers-validator

Validate security response headers on any public URL: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Per-Header pass/warn/fail with documented fix-hints.

Nikita S

HTTP Headers Inspector - Full Headers + Security Grade

eliai/http-headers-inspector

Fetch every HTTP response header of any URL, plus a security-header analysis (HSTS, CSP, X-Frame-Options) with an A-F grade and server fingerprint. Single or bulk. $0.0004 per URL, cheaper than every paid headers actor measured; failed fetches are free.

Broke to Built