Side by side
Pact vs Specmatic
Both stand on contract testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+2
Pact focuses on contract-based integration checks, with tools for HTTP, messaging and deployment compatibility workflows. Its value is strongest when the same team controls both consumer and provider development; the free Broker requires self-hosting.
Visit Pact Free plan LinuxMacSelf-hosted+1
Specmatic pairs a free contract-testing plan with a broader Enterprise suite for API workflows and governance. Review the seat-band terms and CI/CD behavior when considering Enterprise.
Visit SpecmaticThe facts
| Pact | Specmatic | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Self-hosted, Windows | Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | PactFlow Team (yearly): $115.42 a month | See the plans |
| Plans published | 5 | 8 |
| Maker | Not published | Not published |
| Website | pact.io | specmatic.io |
| On contract testing tools | #9 of 22 | #15 of 22 |
Pact: what it does well
- Tests consumer and provider applications in isolation
- Implementations cover more than ten languages
- Broker supports contract sharing and CI/CD compatibility checks
- Verifier supports HTTP and multiple message types
What to know first
- Free Pact Broker must be hosted and operated separately
- Self-hosting makes the operator responsible for security and upgrades
- Not intended for performance or load testing
- Not intended for provider functional testing
Specmatic: what it does well
- Free plan includes contract and resilience testing.
- Includes service virtualization and backward compatibility testing.
- Supports numerous specification formats and protocols.
- Insights can be deployed as SaaS or on-premise.
- Installation options include scripts, npm, and pip.
What to know first
- Enterprise CI/CD thresholds can temporarily block local runs.
- Enterprise pricing varies by seat band.
- Dedicated email support is an Enterprise feature.
Alternatives to Pact Alternatives to Specmatic The whole list