You can access the CORS Headers & Preflight Checker | URL Audit 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 API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {}
9
10# Run the Actor and wait for it to finish
11run = client.actor("quanmatrix/cors-policy-auditor").call(run_input=run_input)
12
13# Fetch and print Actor results from the run's dataset (if there are any)
14print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
15for item in client.dataset(run.default_dataset_id).iterate_items():
16    print(item)
17
18# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

CORS Headers & Preflight Checker | URL Audit API in Python

The Apify API client for Python is the official library that allows you to use CORS Headers & Preflight Checker | URL Audit API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

CORS Headers & Preflight Checker | URL Audit API in JavaScript

CORS Headers & Preflight Checker | URL Audit API through CLI

CORS Headers & Preflight Checker | URL Audit OpenAPI definition

CORS Headers & Preflight Checker | URL Audit API

CORS Policy Checker - Audit Access-Control-* headers

scrappy_garden/cors-policy-checker

Check CORS response headers (Access-Control-Allow-Origin, -Credentials, -Methods, -Headers, -Expose-Headers, -Max-Age, Vary: Origin) for one or more URLs. Optionally performs a preflight OPTIONS check. Useful for debugging browser/API integrations and spotting risky CORS misconfigurations.

Bikram Adhikari

CORS & Preflight Auditor

axelhu/cors-preflight-auditor

Audit public endpoints for CORS origin policy, credential behavior, OPTIONS preflight, origin reflection, and Vary: Origin cache safety.

Axel Hu

Keyword Cannibalization | SEO Dataset Analyzer

quanmatrix/keyword-cannibalization-seo-collision-intelligence

Analyze supplied search and page ranking datasets to identify keyword overlap and SEO cannibalization risks.

Rafael Barreto Haddad

Bulk Security Headers, HSTS, CSP & CORS Auditor

secured_clubhouse/bulk-security-headers-cors-api-auditor

Audit websites and APIs in bulk for OWASP HTTP security headers (HSTS, CSP, X-Frame-Options, nosniff, Referrer-Policy, Permissions-Policy), CORS misconfigurations, server fingerprint leakage, and A+ to F security grades.

Zein Michaels

Port Congestion Data | Container Dwell Changes

quanmatrix/global-port-congestion-container-dwell-intelligence

Analyze supplied port and supply-chain datasets for changes in container dwell times, congestion and operating pressure.

Rafael Barreto Haddad

Telegram Channel Profile Extractor | Bio & Subscribers

quanmatrix/telegram-profile-data-extractor

Extract available public records covering public Telegram channel profiles and visible subscriber text. Use supported IDs, URLs or search terms to receive structured results with source links. Source access and field availability can change.

Rafael Barreto Haddad