HTTP Mock Generator
Generate mock HTTP response templates with status codes, headers, and body for testing.
About this tool
The HTTP Mock Generator is a developer utility that creates realistic mock HTTP response templates complete with status codes, headers, and response bodies. It simplifies the process of preparing test data for API testing, mocking backend responses during frontend development, and creating fixtures for integration tests. Whether you're testing error handling, validating response parsing, or prototyping an API contract before actual implementation, this tool generates production-ready mock responses in seconds.
Select a status code category (informational, success, redirection, client error, or server error), customize the HTTP headers like Content-Type and Cache-Control, and compose your response body as plain text, JSON, or XML. The tool instantly generates a complete HTTP response template you can copy and paste into your test framework, mock server configuration, or development documentation.
All generation happens locally in your browser with no server interaction, making it safe for crafting mock responses containing development secrets or test data. This tool is invaluable for API testers, frontend developers mocking backend services, QA engineers building test suites, and backend developers prototyping new endpoints before building them.
Frequently Asked Questions
Code Implementation
import json
from http.server import HTTPServer, BaseHTTPRequestHandler
class MockHandler(BaseHTTPRequestHandler):
def do_GET(self):
# Customize: status code, headers, and body
status_code = 200
response_body = json.dumps({"message": "Mock response", "status": "ok"})
self.send_response(status_code)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(response_body)))
self.send_header("X-Request-Id", "mock-12345")
self.end_headers()
self.wfile.write(response_body.encode())
def log_message(self, format, *args):
pass # Suppress default logging
if __name__ == "__main__":
server = HTTPServer(("localhost", 8080), MockHandler)
print("Mock server running on http://localhost:8080")
server.serve_forever()Comments & Feedback
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