Your Single Source of Truth for Deterministic Test Data.
End flaky tests caused by random test data. TestSeed gives you a single source of truth for deterministic, schema-driven data across local dev and CI.
Explore OpenAPI mocking features or read the latest updates.
How TestSeed works
Engineered for the modern dev stack. Built to fit yours.
Infrastructure for developers that plugs into your existing DevOps and CI/CD ecosystem.
Your Schema, Your Rules. No compromise.
TestSeed is an OpenAPI mocking tool and JSON schema generator that adapts to your API. Every structural change becomes a new immutable Seed version with a clear diff for CI.
Smart Import
Parse OpenAPI or GraphQL schemas in seconds.
Deterministic Data
Same seed, same output across local and CI runs.
Schema Editor
Model entities, relations, and constraints in one place.
Regex Constraints
Generate edge-case values with native regex rules.
Pricing that scales with you
Core blueprints are available on every plan. Smart Import and GraphQL support unlock with Pro.