Record any API.
Run a verified local twin.
Zero flaky tests.

wraith records live API traffic and synthesizes a local twin — a deterministic server that reproduces the real API's behavior. Every twin is verified against real recordings before it serves a single response.

Quickstart → GitHub →

Five commands. Zero to twin.

Rest gRPC GraphQL
wraith demo 
 
 
 
 
 
  
 
■
 
Your app
 
  
      
  
 
  
◉
 
wraith
 
:8080
 
 
  
◑
 
Twin
 
:8081
 
 
  
      
  
 
☁
 
Live API
 
 
  
 
  
  
 
 ✓ 100% conformance