You can access the Security Headers Auditor programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

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            "title": "Header Targets",
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            "items": {
              "type": "object"
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            "default": [
              {
                "sourceId": "sample-hardened-site",
                "sourceUrl": "https://example.com",
                "statusCode": 200,
                "headers": {
                  "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
                  "content-security-policy": "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'",
                  "x-frame-options": "DENY",
                  "x-content-type-options": "nosniff",
                  "referrer-policy": "strict-origin-when-cross-origin",
                  "permissions-policy": "geolocation=(), microphone=(), camera=()",
                  "cross-origin-opener-policy": "same-origin",
                  "cross-origin-resource-policy": "same-origin"
                },
                "previousHeaders": {
                  "strict-transport-security": "max-age=86400",
                  "x-content-type-options": "nosniff"
                }
              }
            ]
          },
          "urls": {
            "title": "URLs To Fetch",
            "type": "array",
            "description": "Optional URLs to fetch only when fetchUrls is true. Leave empty for fixture/local runs.",
            "items": {
              "type": "string"
            },
            "default": []
          },
          "fetchUrls": {
            "title": "Fetch URLs",
            "type": "boolean",
            "description": "Fetch headers over HTTP. Default is false to keep zero-config runs local and cheap.",
            "default": false
          },
          "comparePrevious": {
            "title": "Compare Previous Headers",
            "type": "boolean",
            "description": "Compare previousHeaders against current headers when available.",
            "default": true
          },
          "maxItems": {
            "title": "Max Items",
            "minimum": 1,
            "maximum": 250,
            "type": "integer",
            "description": "Alias for Max Targets/Maximum Records used by the Junipr actor baseline. When both are provided, actor-specific limits still apply.",
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          "includeReport": {
            "title": "Include Report Artifacts",
            "type": "boolean",
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          "maxTargets": {
            "title": "Max Targets",
            "minimum": 1,
            "maximum": 250,
            "type": "integer",
            "description": "Maximum URL or header snapshots to audit.",
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          },
          "fetchTimeoutMs": {
            "title": "Fetch Timeout Milliseconds",
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            "maximum": 30000,
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            "description": "HTTP timeout for optional URL fetches.",
            "default": 10000
          },
          "maxChargeUsd": {
            "title": "Maximum Charge (USD)",
            "minimum": 0,
            "maximum": 1000,
            "type": "number",
            "description": "Hard local spending cap for actor-start, per-item, and report events. The actor stops before work or withholds uncharged output when the next event would exceed this amount.",
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          },
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            "title": "Dry Run",
            "type": "boolean",
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          },
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            "title": "Debug Logs",
            "type": "boolean",
            "description": "Enable debug logs.",
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                "type": "string"
              },
              "userId": {
                "type": "string"
              },
              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
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              "finishedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
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              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
                  }
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                "type": "object",
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                  "inputBodyLen": {
                    "type": "integer",
                    "example": 2000
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                  "rebootCount": {
                    "type": "integer",
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                    "type": "integer",
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                    "example": 0
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                    "type": "integer",
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                  "ACTOR_COMPUTE_UNITS": {
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                  },
                  "DATASET_READS": {
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                    "example": 0
                  },
                  "DATASET_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
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                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_WRITES": {
                    "type": "integer",
                    "example": 1
                  },
                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
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                    "example": 0
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                    "type": "integer",
                    "example": 0
                  },
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                    "example": 0
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                    "type": "integer",
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                    "type": "integer",
                    "example": 0
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                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
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                    "type": "integer",
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}

Security Headers Auditor — technical SEO, web, and domain a OpenAPI definition

OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.

OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.

By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.

You can download the OpenAPI definitions for Security Headers Auditor from the options below:

OpenAPI.json

If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.

You can also check out our other API clients:

Security Headers Auditor API in Python

Security Headers Auditor API in JavaScript

Security Headers Auditor API through CLI

Security Headers Auditor API

HTTP Security Headers Audit

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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.

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Security Headers Checker

s3nafps/security-headers-checker

Check public URLs for common HTTP security headers including HSTS, Content Security Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. Export a simple website security header report as JSON or CSV.

mohamed senator

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

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

Security Headers Checker - Audit CSP, HSTS, XFO and more

scrappy_garden/security-headers-checker

Check common HTTP security headers for one or more URLs (Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP/COEP/CORP). Useful for quick security hardening audits.

Bikram Adhikari

Security Headers Checker — OWASP Audit & Grading

accurate_pouch/security-headers

Audit 12 HTTP security headers (HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, COOP, CORP, COEP). A-F grading, actionable recommendations. 5 URLs free.

Manchitt Sanan

Security Headers Checker API - HTTP Security Scanner

pink_comic/security-headers-checker

Security Headers Checker API for bulk HTTP security scans. Audit HSTS, CSP, X-Frame-Options, referrer and permissions policies, missing headers, website hardening gaps, and compliance posture. Returns grades, findings, and header evidence for security audits.

Ava Torres

HTTP & Security Headers Auditor

bgfc97/http-security-headers-audit

Audit any list of URLs: status, final redirect, HTTPS, server, security headers (HSTS, CSP, X-Frame-Options...), a security score, page title and CMS/generator. No key, no proxy.