FAQ

Is CorsProxy free to use?

• Yes! You can use CorsProxy to develop your application for free and without the need of creating an account. You only need an account and a paid subscription if you want to use CorsProxy on a production site.

Why do I need an API key?

• Your API key is used to track all requests and show them on the analytics dashboard.

Can I use corsproxy.io directly without an account?

• Yes. You can use CorsProxy like this: https://corsproxy.io/?url=https://example.com
• Without an account, you can use CorsProxy only for development and won’t be able to access analytics.

Do I have to add every domain in the dashboard that I want to use with CorsProxy?

• Yes, but only the hostname where your app runs. You don’t need to add the domains you want to proxy to the dashboard.

Can I use CorsProxy on all subdomains of my main domain?

• Yes. Add the main domain (e.g. example.com) and all subdomains (e.g. staging.example.com) are covered.

Which features require a Business plan?

• The following parameters require a Business plan and a valid API key: extract, input, output, and ttl.

How do I monitor my usage?

• Log into the CorsProxy Dashboard to see request counts, bandwidth, and the most accessed URLs.

What happens if I exceed my usage limits?

• If you exceed your usage limits, you will receive an email notification. Depending on your subscription plan.

Can I track usage for multiple projects under one account?

• Yes. You can add multiple subdomains for different projects under a single account. Each subdomain will have its own set of analytics.

Is it possible to reset my CorsProxy subdomain?

• Yes. Reset your subdomain from the Dashboard under “Settings,” then update your app to use the new subdomain.

How do I prevent unauthorized usage of my subdomain?

• Specify allowed referrers in your subdomain settings. Only requests from those referrers will be processed.

How do I handle CORS errors in production?

• Ensure your subdomain is configured with allowed referrers and proper API key usage.

Can I see the details of each request made through my API key?

• Yes. The Dashboard provides request logs including URL, headers, and response status.

How secure is my data with CorsProxy?

• We use industry-standard encryption for data in transit and at rest, plus API key controls and referrer allowlists.

What measures are in place to ensure the reliability of CorsProxy?

• CorsProxy operates on a highly available infrastructure with redundancy, monitoring, and automatic scaling.

How can I upgrade, downgrade or cancel my subscription plan?

• You can manage your subscription plan from the “Billing” section in the Dashboard. Changes take effect immediately.

Can I request a custom plan for my organization?

• Yes. Contact our sales team to discuss a tailored solution.

Are there any restrictions on the types of content that can be proxied through CorsProxy?

• Prohibited content includes anything illegal, harmful, or malicious. Refer to the Terms of Service for full details.