Servirtium

What it does

Audience

The site describes it for teams consuming vendor web APIs and vendors shipping example usages.checked 8 Oct 2026

CI and API drift

The site describes using tape changes and Git diffs to identify API compatibility changes in CI or code review.checked 8 Oct 2026

CLI

A standalone CLI can serve tapes as a live HTTP stub, lint tapes, and import or export HTTP Archive files.checked 8 Oct 2026

Deployment model

The project describes Servirtium as an in-process testing library with file-based tapes and a standalone CLI, rather than a hosted SaaS endpoint.checked 8 Oct 2026

Engine and bindings

The current project describes one native engine with language bindings, including Go, Python, Java, .NET, Rust, Ruby, JavaScript and TypeScript, Dart, PHP, Haskell, Elixir, Pharo, Nim, Zig, Lua, Erlang and Gleam.checked 8 Oct 2026

HAR integrations

The CLI imports and exports HTTP Archive files and names Chrome DevTools, Fiddler, Charles, mitmproxy, and Postman as sources or tools.checked 8 Oct 2026

Integrations

The HAR bridge names Chrome DevTools, Fiddler, Charles, mitmproxy and Postman as sources of captures it can convert.checked 8 Oct 2026

Notable limit

The site says Servirtium is focused on HTTP and is used for test automation, with production deployments connecting to real services.checked 8 Oct 2026

Offline playback

Playback uses saved Markdown recordings, so tests can run without calling the real service.checked 8 Oct 2026

Playback matching

Playback fails when request headers or bodies differ from the recording, and the site describes optional masking and redaction for transient data.checked 8 Oct 2026

Pricing and support

The opened maker pages provide no product pricing, trial terms or support offer.checked 8 Oct 2026

Production use

The site describes Servirtium as exclusively for test automation and says production deployments connect to the real services.checked 8 Oct 2026

Purpose

Servirtium records HTTP conversations from tests and replays them offline without calling the real service.checked 8 Oct 2026

Redaction

The shared engine includes redaction and whole-tape normalization features for handling values such as transient IDs and timestamps.checked 8 Oct 2026

Release history

The site says the Servirtium beta, with Markdown record/playback syntax, a Java library, and examples, was released in autumn 2019.checked 8 Oct 2026

Request matching

Playback fails when the request headers or body differ from the recorded interaction; the site recommends deliberate masking or redaction for transient values.checked 8 Oct 2026

Security and compliance

The opened product pages describe redaction features but make no security certification or compliance claims.checked 8 Oct 2026

Shared engine

The current VCR project uses one native record/replay engine with language bindings, and the site lists seventeen bindings.checked 8 Oct 2026

Tape contents

A Markdown tape can capture HTTP requests, responses, headers, and bodies, with XML or JSON payloads shown in code fences.checked 8 Oct 2026

Tape format

Recordings use human-readable Markdown that teams can share across languages and review in Git diffs.checked 8 Oct 2026

Test frameworks

The site says Servirtium is agnostic about test-runner choice and can be used with any unit-test or spec framework.checked 8 Oct 2026

Test runners

Servirtium is described as agnostic about test-runner choices and usable with any unit test or spec framework.checked 8 Oct 2026

Use cases

The site identifies teams consuming vendor web APIs and API vendors sharing example scenarios as intended users.checked 8 Oct 2026