Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Pact Foundation
- Pricing
- Open source - Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api
- Best for
- Developers, Qa Engineers
- Editor rating
- 4.4 / 5
- Founded
- 2013
- Headquarters
- Remote
What is Pact?
Pact is a software testing tool from Pact Foundation. An open-source contract testing framework that verifies integrations between services by capturing consumer expectations, paired with the PactFlow broker.
Pact uses open source pricing and offers a free tier you can start on without a credit card. Free.
It's best suited to developers, qa engineers and runs on Self Hosted, Api.
Standout strengths include catches integration breaks early, consumer-driven contracts, many language libraries. Worth weighing: conceptual learning curve, broker setup for teams.
Pact pricing
Pros
- Catches integration breaks early
- Consumer-driven contracts
- Many language libraries
Cons
- Conceptual learning curve
- Broker setup for teams
Pact vs alternatives
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Frequently asked questions
What is Pact?
An open-source contract testing framework that verifies integrations between services by capturing consumer expectations, paired with the PactFlow broker.
How much does Pact cost?
Pact is open-source-priced. It has a free tier.
Does Pact have a free trial?
Pact offers a free tier rather than a time-limited trial.
What platforms does Pact support?
Pact is available on Self Hosted, Api.