Side by side

Hoverfly vs WireMock

Both stand on service virtualization software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Hoverfly

Free trial APILinuxMac+3

Choose Hoverfly Cloud if your team needs hosted API simulation for development, functional testing, or performance testing, with traffic replay and configurable simulated behavior.

Visit Hoverfly

WireMock offers request matching, response simulation, and replay for testing against simulated dependencies. The free tier has defined user, API, and call limits, and mocks pause after quota exhaustion.

Visit WireMock

The facts

	Hoverfly	WireMock
Free plan	A free trial	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Linux, Self-hosted, Web
Lowest paid plan	Developer: $10 a month	Free or on request
Plans published	3	2
Maker	Not published	Not published
Website	hoverfly.io	wiremock.org
On service virtualization software	#15 of 21	#11 of 21

Hoverfly: what it does well

Captures and replays API traffic.
Creates simulations from OpenAPI specifications.
Supports REST, SOAP, XML, JSON, and GraphQL.
Can introduce latency, faults, errors, and response changes.
Developer trial lasts 14 days and needs no credit card.

What to know first

Developer includes only two simulation instances.
Developer capacity is 20 requests per second per instance.
Hoverfly's underlying framework has no graphical interface.

WireMock: what it does well

Matches requests across URLs, headers, cookies, and bodies.
Can record and replay service interactions.
Supports JUnit and other testing frameworks.
Free plan includes 1,000 calls per month.

What to know first

Free plan is limited to one user.
Free plan allows three mock APIs.
Free and trial plans have rate limits.
Mocks stop after the quota is exceeded.

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