WireMock - flexible open source tool for building mock APIs and testing your client apps. Join us on Slack and GitHub!

Joined March 2023
129 Photos and videos
19 Nov 2025
Big news for .NET users: WireMock .NET is joining the core WireMock OSS project! For years, .NET users have used the independent implementation by @sheyenrath, who's done amazing work. Now we're bringing it under the same umbrella as the Java engine. Read: bit.ly/4oRVh2G

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19 Nov 2025
We have released 3.13.2 of WireMock to update a few dependencies while we work towards version 4 GA - wiremock.org/docs/download-a…
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WireMock retweeted
In your unit integration tests, you want to mock another system's behaviour. WireMock is a testing library which helps you with mocking the APIs you depend on. In this blog, you will explore WireMock for testing a Spring Boot application. Enjoy! #Java mydeveloperplanet.com/2025/0…
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13 Jun 2025
The WireMock team is excited to announce the release of WireMock version 3.13.1. This release is mostly a dependency update release. Along with this release we have released 0.3.0 of the jwt extension and 0.11.0 of the gRPC extension. wiremock.io/post/wiremock-3-…
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20 May 2025
New on the WireMock blog: Mock features, not (just) APIs >> wiremock.io/post/mock-featur…
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15 May 2025
GraphQL is great if you’re looking for a flexible backend to support multiple front ends. When it comes to mocking, it ban become a bit of a PITA. Here's how we're making it simpler... A lot of the problems with GraphQL stem from: 😔 Unpredictable query and response structure. 😔 Current tools being too involved to be useful. 😔 A less mature ecosystem. The end result: you need to put in so much work, that you're undermining the whole reason to use mocking in the first place (i.e. to move faster). >> In designing our own GraphQL simulation features, we decided to focus on making it dead simple. You can start with just a schema and a few clicks, then layer more advanced functionality on top of that. 😍 Get your first mock in seconds 😍 Support for mocking federated queries 😍 Track local schema changes with WireMock CLI Read the details in our blog (1st comment)
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WireMock retweeted
21 Mar 2025
Replying to @wiremockorg
this was too much fun @leeturner thank you for the two glorious conversations with you and @TomAkehurst ! I learned a ton
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25 Apr 2025
The WireMock team is excited to announce the release of WireMock version 3.13.0. This release includes quite a few new features, a number of bug fixes and the usual dependency updates. Check out the release note for some information on WireMock v4 - bit.ly/4cNX9nJ
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18 Mar 2025
We're going to be demoing some really cool features next week, including MAJOR improvements to stateful mock setup and local-first recording with the WireMock CLI! Join us live info.wiremock.io/wiremock-li…
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WireMock retweeted
27 Feb 2025
It’s Here: the Java Testing Toolbox eBook v1.0 is Now Available! 🧪 The wait is over! 🎉 My new eBook "30 Testing Tools and Libraries Every Java Developer Must Know" (aka. Java Testing Toolbox) has officially launched 🚀 This final release of the Java Testing Toolbox covers 30 essential testing tools, including 9 brand-new chapters on: ✅ Pact – Contract testing for microservices ✅ Awaitility – Fluent async testing ✅ @diffbluehq - AI-powered test generation ✅ @SeleniumHQ – UI testing automation ✅ @archtests – Enforcing architecture rules ✅ @instancio_java – Smart test data generation ✅ JMH – Benchmarking Java code ✅ JfrUnit – Testing with Java Flight Recorder ✅ PIT – Mutation testing for better coverage The other 21 testing tools include: TestNG, Mockito, WireMock, REST Assured, @localstack, @testcontainers, @wiremockorg, @selenide, @junitteam, @GatlingTool, @MockitoJava, JGiven, Spock, Microshed Testing, ApacheBench, GreenMail, MockWebServer, Spock, Hamcrest, AssertJ, JSONAssert, JsonPath, XMLUnit 🧰 Why This eBook is a Must-Have: - Covers both popular and niche Java testing tools - Practical setup guides for Maven & Gradle - Focuses on the 20% of features you’ll use 80% of the time - Beginner-friendly with hands-on examples - Lifetime updates to keep your testing skills sharp 📢 Already got the eBook on Leanpub? You can download the new version for free! Didn’t get notified? DM me If you haven’t grabbed your copy yet, now’s the best time to level up your Java testing skills! rieckpil.de/testing-tools-an…

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WireMock retweeted
WireMocha 1.0.39 has been published a few days ago. This is a smaller release containing updates for @wiremockorg 3.12.0 regarding Handlebars helpers and request matchers. You can check the release notes here: plugins.jetbrains.com/plugin…
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27 Feb 2025
APIs slowing you down😵? We have a solution for your team to develop AI-enabled applications fast ⚡ eu1.hubs.ly/H0h33kk0 #WireMock_Cloud #AI #APIs #Devtools
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24 Feb 2025
To everyone who attended the Live Workshop last week.....a big thank you! For those of you who missed it, we've got you covered! #Testing #Stateful_mocking #Live #workshop #WireMock_Cloud eu1.hubs.ly/H0g-dfF0
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19 Feb 2025
The WireMock team is excited to announce the release of WireMock version 3.12.0. This release includes a couple of new features to equalsXML and the jsonMerge helper and a few updated dependencies. eu1.hubs.ly/H0gWfZf0
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18 Feb 2025
There is still time to register for our Live Workshop on February 20th, 9am – 9:45am PST (5pm BST, 5pm GMT). Register here 👇 eu1.hubs.ly/H0gVlpR0 #stateful_mocking #Live #workshop #WireMock_Cloud #APIs
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13 Feb 2025
New blog is out now!!! Service Virtualization Tools in 2025: Limitations and Alternatives #Service_virtualization #APIs #WireMock_Cloud #tools eu1.hubs.ly/H0gzbPP0
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13 Feb 2025
Tomorrow is the last day of the Developer Week Conference (in-person), but it's not too late to contact us for a free pass (also valid for the virtual event)! If you are already planning on attending... stop by, say hi to the team and learn more about WireMock Cloud. #Developer_week2025 #WireMock_Cloud #SantaClara #Conference
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