Microservices are ubiquitous in technology these days and it’s important to expand our testing toolbox to effectively achieve a safe level of test coverage for a service-oriented architecture. Consumer-driven contract testing is a popular technique whereby we can verify the contractual interactions between clients and services as specified and expected from the consumer of a given service. In this talk, I will demonstrate how we’ve used Pact (https://docs.pact.io/) to implement consumer-driven tests between our GraphQL API gateway and our back-end services.