WireMock
An open source tool for creating and testing mock APIs
- Also known as
- wiremock
Available worldwide
What is WireMock?
Enables developers to test client applications against mock APIs without relying on external services, supporting various protocols like REST, SOAP, and OAuth2.
WireMock pricing
We don't have WireMock's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What WireMock does
The capabilities that matter for api mocking, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Mocking mode
- Dynamic templating
- Stateful scenarios
- ✓
- Fault chaos injection
- ✓
- Openapi import
- ✓
- Proxy passthrough
- -
- Admin API
- ✓
- Deployment
- -
- Legacy protocol virtualization
- ✓
- Collaboration sharing
- ✓
- Ci cd integration
- ✓
- Open source
- ✓
- Market segment
- Dev tool
- Pricing model
- Freemium
Platform & deployment
Independently observed- CLI
- Web
- On-premise
- Self-hosted
Integrations (8)
Independently observed- JUnit
- Spring Boot
- Testcontainers
- Docker
- Maven
- Gradle
- OpenAPI⇄•
- gRPC•
WireMock FAQ
Common questions about WireMock, answered from independent, dated evidence.
What is WireMock?
An open-source platform that lets developers build mock APIs for testing applications in isolation. It records interactions with real services for replay, creates stateful mock scenarios, supports fault injection, and tests multiple protocols, enabling faster and safer development cycles. It is indexed under API Mocking.
Source: https://wiremock.org
Is WireMock free?
WireMock offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.
Source: https://wiremock.org
What platforms does WireMock support?
WireMock supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://wiremock.org
Can WireMock be self-hosted?
Yes. WireMock can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://wiremock.org
What does WireMock integrate with?
We have confirmed 8 integrations for WireMock, including JUnit, Spring Boot, Testcontainers, Docker, Maven, Gradle, OpenAPI and gRPC. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://wiremock.org
WireMock alternatives
Other api mocking we track, ranked by the same independent score.
- BeeceptorCreate and manage mock API servers for testing and developmentmedium · 74%
- Mockoonmedium · 72%
- json-serverRapidly create a mock REST API from JSON data for development and testingmedium · 64%
- Mock Service Worker (MSW)A reusable API mocking library that intercepts network requests for testing and development across JavaScript environmentshigh · 79%
- NockA Node.js library for mocking HTTP interactions in testsmedium · 67%
- Traffic ParrotEnables teams to mock external APIs and services locally during development and testingmedium · 72%
Compare WireMock
Side by side against other api mocking, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for WireMock, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Capabilities | 92 | 0.08 | 7.6 | ✓ |
| Integrations | 22 | 0.05 | 1.2 | ✓ |
| Stars | 0 | 0.03 | 0.0 | - |
| Dependent projects | 0 | 0.08 | 0.0 | - |
| Development activity | 0 | 0.12 | 0.0 | - |
| Release cadence | 0 | 0.07 | 0.0 | - |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Security score | 0 | 0.05 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 5 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Admin api: Yes · Open source: Yes · Mocking mode: dynamic_templating · Pricing model: freemium · Market segment: dev-tool · Openapi import: Yes | mediumsource · 2026-09-23 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 5 | mediumsource · 2026-09-04 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-17 · 75% |
Pricing
Is WireMock the right choice for you?
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