DESIGN
Scribe
AI-native API designer and prototyper. Turns intent into AI-ready API specifications.
VALIDATE
Skeptic
API linter and quality product. Validates specifications and examples, checks compatibility and produces quality signals.
TEST VISUALLY
Studio
Visual workspace over Specmatic capabilities for spec-driven contract, API workflow testing, mocking and related development workflows.
TEST & AUTOMATE
Core
The original CLI/programmatic Specmatic product. Brings executable specification capabilities into local and automated workflows.
GOVERN
Insights
Continuous governance control plane. Aggregates signals across builds and APIs into organisation-wide intelligence.
Agent harness spanning the lifecycle. Gives agents skills, MCP tools, context and feedback to work autonomously and involve humans when needed.
Design
Validate
Test
Govern
Genie works across every stage
CAPABILITIES
Contract Testing
API Workflow Testing
Service Virtualization
Backward Compatibility
Spec Linting
MCP Server
SPECIFICATION
Arazzo
AsyncAPI
Avro
GraphQL SDL
OpenAPI
Protobuf
WSDL
ActiveMQ
AWS EventBridge
AWS SNS
AWS SQS
Google Pub/Sub
GraphQL
gRPC
HTTP (REST)
IBM MQ
JDBC
JMS
Kafka
MCP
MQTT
RabbitMQ
RESP (Redis)
SOAP
WebSocket
FEATURED
CAPTURE
API Proxy Recording
Record live traffic and generate an OpenAPI spec or a mock from it.
HARDEN
API Resiliency Testing
Boundary and invalid requests, generated from the spec. No test code.
MEASURE
API Coverage Report
Find endpoints missing from your spec, and endpoints the spec lists but nobody built.
HOW THE PLATFORM FITS TOGETHER
See the architecture →
Skills, MCP tools and feedback for AI coding agents
EXPERIENCE
Scribe · Studio · Core · Insights dashboards
A way in for every role
CAPABILITY
Specmatic Engine · Skeptic
Testing, mocking, proxy and spec quality
INTELLIGENCE & GOVERNANCE
One view across every API, for people and agents
WATCH
Podcasts & Talks
Conference sessions and interviews on contract-driven development.
TRAIN
Workshops
A 2-day hands-on CDD workshop for engineering teams.
ASK
Quick Start Consult
A short working session to scope contract testing for your APIs.
LEARN
STORIES
Case Studies
READ
Documentation
BUILD
Sample Projects
THINK
Blog & Articles
COMPARISON
Specmatic vs Playwright API Mocking
Specmatic vs Pact.io and Pactflow.io
Specmatic vs Spring Cloud Contract
Specmatic vs WireMock
Specmatic vs Microcks
Announcements
Demonstrations
In the Media
Download Specmatic
ABOUT
About us
Who we are, and why we built Specmatic.
ROADMAP
Roadmap
What we are building next, shared in the open.
CAREERS
Careers
Open roles on the Specmatic team.