Network Tools

Test APIs, inspect network requests, and debug connectivity issues. Essential tools for API development.

These network tools run real lookups at the edge: WHOIS registration data via RDAP, SSL certificates from Certificate Transparency logs, live DNS records, response headers, CORS behaviour, and a KV-backed webhook receiver. No simulated results - if a lookup fails, it tells you.

10 tools available

HTTP API Tester

Send HTTP requests and inspect responses

HTTP Header Checker

Inspect HTTP response headers from any URL

Website Status Checker

Check if a website is up or down

DNS Lookup

Query DNS records for any domain

CORS Tester

Test CORS policies and preflight requests

SSL Certificate Checker

Check SSL/TLS certificate validity and details

Webhook Tester

Receive and inspect webhook payloads

WHOIS Lookup

Get domain registration information

CSP Builder

Visual Content Security Policy header generator

SSL/TLS Config Generator

Generate secure SSL/TLS configs for Nginx, Apache, Caddy