FAQ

Is CorsProxy free to use?

• Yes. Create a free account to get an API key and use it from localhost and other development origins, with up to 10,000 requests per month and 1 GB of bandwidth per month. Production domains need a paid plan, and your first Hobby subscription starts with a 7-day free trial. Free accounts created before November 8, 2026 keep their existing access.

Why do I need an API key?

• Your API key authenticates requests, attributes usage to your account, and powers the analytics dashboard.

Can I use corsproxy.io directly without an account?

• No. Create a free account to get the API key required in every proxy URL. The key authenticates your account, enforces the Free-tier limits, and powers the usage dashboard.

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

• Not on Free, which covers development origins such as localhost without registration. Paid plans register production domains so the dashboard can attribute their traffic. Free accounts created before November 8, 2026 keep their existing access.

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 Production plan?

• The following parameters require a Production 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 targets 99.99% uptime using redundancy, continuous 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.