Check HTTP Protocol API
Find out if your domain supoorts HTTP/3, HTTP/2 or HTTP/1.1
Used by thousands, including:
Frequently Asked Questions
- What information can I expect in the HTTP protocol response?
This API tests an HTTP endpoint and reports which HTTP versions are currently supported by that endpoint. This can be hand to test if website supports latest protcol like HTTP/3.
Powerful features to power your business.
Siterelic is scalable and highly available, powered by AWS, which can serve millions of APIs request every month.
Production-ready APIs, ready to be integrated with your applications. Faster execution, high uptime, and reliable infrastructure.
API endpoints are available over HTTPS, which means all data processed are secured using 256-bit TLS encryption.
You can get it started for free and upgrade as you grow to our pocket-friendly plan.
Developer-friendly, easy-to-follow API documentation that will get you started within minutes.
New features are released regularly to accommodate your business needs.
Explore the collection
Production ready, fast, scalable, and reliable APIs built for businesses and developers.
Flexible plans for your business
Our APIs can handle millions of requests per month and our plans can be tailored to your needs.
- Rotating proxy
- Rate-limit10 requests per second
- Premium 10K10,000 requests$9.99/mo
- Premium 50K50,000 requests$39.99/mo
- Premium 100K100,000 requests$64.99/mo
- Premium 250K250,000 requests$149.99/mo
- Premium 500K500,000 requests$249.99/mo