Mirror / shadow

Send it live.
Keep a copy.

Deliver to your real target and a shadow target in the same request. The live path is untouched; the copy goes wherever you want to watch.

Why mirror

One request, two destinations.

Migrate without a leap.

Send live traffic to your new target as a shadow while the old one still serves. Compare the two, then cut over when you’re sure.

Audit, quietly.

Tee a copy to a logger, a data lake, or a security tool — without touching the path your users depend on.

A/B on real traffic.

Run a candidate target on live requests in the background. Measure how it behaves before you make it the one that serves.

Live path untouched.

Your real target gets the request exactly as before. The shadow rides alongside.

A shadow target is a billable delivery — mirroring a request doubles its deliveries (and its cost). You add the copy on purpose, and it shows up in your usage.

Watch it, without risking it.

No credit card required.

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