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API Latency Checker

Is your API slow for international users? Find out with our API Latency Checker. This tool sends requests to your API endpoint from multiple regions around the world, including North America, Europe, and Asia. It measures key performance metrics like DNS lookup, connection time, and Time To First Byte (TTFB) to give you a comprehensive view of your global performance. Use it to diagnose issues, optimize your infrastructure, and ensure a fast experience for all your users.

Tool Interface
API Endpoint Configuration
Enter the details of the API you want to test.

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Features
  • Test API latency from multiple global regions.
  • Supports various HTTP methods (GET, POST, etc.).
  • Allows custom headers and request bodies.
  • Provides a detailed breakdown of latency metrics (DNS, Connection, TTFB).
  • Clear, easy-to-read results table.
Frequently Asked Questions

Is this a real-time test?

Yes, the tool sends live HTTP requests to your endpoint when you click the button.

Why is the latency different in different regions?

Latency is affected by the physical distance between the server making the request and your server. Longer distances mean higher latency.

What is TTFB (Time To First Byte)?

TTFB measures how long it takes for the server to process a request and send back the first piece of data. A high TTFB can indicate slow backend processing or database queries.