---
title: Record & Replay
description: Record HTTP/HTTPS traffic through the MockServer proxy and replay it as mock expectations for offline testing and service virtualization.
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pageOrder: 3
section: 'Proxying'
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  priority: 0.7
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  lastmod: 2026-06-24T08:00:00+01:00
---

<p><strong>Record &amp; replay</strong> means proxying live HTTP(S) traffic through MockServer once, capturing the real requests and the responses the upstream returned, then serving those captured responses back as mock expectations &mdash; so the same interactions can be replayed on demand with the real dependency switched off.</p>

<p>This turns a one-off recording into a reusable, deterministic test fixture. Unlike re-recording against the live service on every run, a replayed recording is fast, offline, repeatable, and immune to upstream outages, rate limits, or drifting data &mdash; which is exactly what you want for CI and for reproducing a specific scenario. The steps below cover recording the traffic and retrieving it as expectations ready to replay.</p>

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