Automating API Mocks in Your CI Pipeline with proxymock
Capture API responses once with proxymock and replay them in CI. Eliminate flaky tests from rate limits, downtime, and slow external dependencies.
Posts by Ken Ahrens
Co-founder and CEO of Speedscale, passionate about performance engineering. • 9 posts published
What are Ephemeral Environments?
Create ephemeral environments when deployed testing adds value. Version test data, define ownership and expiry, and verify cleanup of external resources.
FastAPI Testing: Mock LLM APIs with Recorded Traffic
Record real LLM traffic from a FastAPI app, mock it locally, and replay it in CI with proxymock.
Fixing 403 auth errors when you replay traffic
Replay an authenticated flow and the protected calls fail with 403. Here is how proxymock recommendations fix the expired bearer token in one click.
How to Test Your React Frontend When the Backend Is Offline
Learn how to test your React frontend without running backend services. Record real API traffic and mock responses for faster development, reliable.
Ultimate Guide to Creating a JSON Mock API
Build a JSON mock API for frontend testing. Learn what simulated responses cover, how CRUD state works, and where real-backend tests still matter.
Orchestrated Service Virtualization: The Definitive Guide
Coordinate virtual services with versioned fixtures, explicit routing, readiness checks, and repeatable resets. Start with one useful dependency.
Use AI and traffic replay to test AI-generated code
Have your coding agent test AI-generated code with proxymock: capture working API traffic, replay it against changes, and inspect the results.
Top 14 Postman Alternatives for API Testing in 2026
A rebuilt 2026 guide to Postman alternatives. Which API clients are still maintained, what they cost, and which one fits local-first, gRPC, or team workflows.
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