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High-Performance Commercial Native Suite

OpenAPI 3.0 Mock Server with Synthetic Latency & Jitter

Instantly generate mock REST APIs from OpenAPI specs or JSON schemas with synthetic latency, network jitter, and dynamic mock data generators.

Buy Lifetime License ($29.99) Test Live Engine Demo
Competitor Comparison Why ApiMock Studio Is Cheaper & Better
Save $558/yr vs Postman Enterprise ($588/yr) / Mockoon Pro ($60/yr)
Traditional Alternative:
Postman Enterprise ($588/yr) / Mockoon Pro ($60/yr)
$60 to $588/year subscription
Expensive cloud subscription lock-in, sluggish Electron memory hog, complex authentication gates
Vivian Commercial Engine:
$29.99 One-Time Perpetual
100% Offline Air-Gapped C++17
One-time $29.99 perpetual license, standalone C++ server, sub-millisecond response speeds, zero cloud subscription
Native Desktop Application • Real GTK3 Program Screens
Live Compiled Binary Technical Wiki →
ApiMock Studio Native UI Showcase

Core Engine Capabilities

  • Instant OpenAPI 3.0 and JSON Schema mock endpoint instantiation
  • Simulate variable network latency, packet drops, and HTTP 5xx faults
  • Dynamic JSON schema faker for realistic names, dates, and UUIDs
  • Webhook replay engine with customizable retry policies

Dual GUI & Console Interface

Designed for automated batch pipelines and power users alike. Features a high-performance native desktop GUI (GTK3 on Linux / Win32 on Windows) alongside a headless command-line interface with scriptable switches.

# Run native desktop GUI:

./apimock --gui

# Headless batch processing:

./apimock --mock-sample

Interactive Engine Testbed

Microsecond Benchmarking

Test the live commercial engine execution in your browser through Cloudflare Cloud Platform:

Click 'Execute Engine Test' to dispatch benchmark telemetry...
Perpetual Commercial License
$29.99 / one-time