Hoverfly

6.9easy start · #12 of 27
in API Mocking Tools

Free to practise onnot on record
Free trialyes
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Web, Windows. Paid plans from $10/mo.

Hoverfly is ranked #12 of 27 in API mocking tools on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is no free plan. A free trial is offered. Paid plans start at $10/mo.

Hoverfly plans and pricing

All plans

Developer $10/mo 2 API simulation instances · 20 requests per second per instance · 14 day free trial · no credit card required hoverfly.io · 3 Oct 2026

Professional $30/mo 5 API simulation instances · simulates latency and random failures · 14 day free trial hoverfly.io · 3 Oct 2026

Enterprise Not published Fully customisable · unlimited API simulation instances · up to 2,000 requests per second per instance · load-balanced instance clusters · dedicated account manager hoverfly.io · 3 Oct 2026

Compared on API mocking tools

Free plan: No
Paid from: $10/mo

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The record

Purpose: Hoverfly Cloud is a hosted API simulation and mocking platform for testing without relying on live API dependencies.
Open source: The underlying Hoverfly framework is open source, has no GUI, and is typically used locally or in a user's own network and infrastructure.
Protocols: Hoverfly Cloud supports HTTP/S services including REST, SOAP, XML, JSON, and GraphQL.
Simulation features: Users can capture and replay API traffic, generate simulations from OpenAPI specifications, and match requests by methods, headers, parameters, and bodies.
Dynamic behavior: Hoverfly Cloud can delay responses, inject faults or errors, and modify responses while simulating requests.
Pipeline integration: Hoverfly Cloud provides a CLI for scripted configuration and integration into testing processes.
Scale: The pricing page lists Enterprise capacity of up to 2,000 requests per second per instance and load-balanced instance clusters.
Supported systems: Hoverfly and hoverctl binaries are available for macOS, Linux, and Windows, and the documentation describes Docker and Kubernetes installation.
API access: The open-source framework provides a REST API and CLI, with native language bindings for Java and Python.
License: The open-source Hoverfly framework is distributed under the Apache 2 license.
Security and privacy: The privacy policy says iOCO uses technical controls to protect personal details and does not share them with third parties for marketing; it does not state a named security certification.
Support: iOCO offers Hoverfly Cloud team support by email and support portal with a guaranteed response within one business day during 9am–6pm GMT.
Use cases: The maker describes performance testing, functional testing, and development as primary use cases for Hoverfly Cloud.
Price from: $10/mo

Where it ranks on The Geeks Club

Best API Mocking Tools in 2026#12 of 27
Best Integration Testing Tools in 2026#13 of 26
Best Service Virtualization Software in 2026#10 of 20

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Sources

hoverfly.io· checked 3 Oct 2026
hoverfly.io/hoverfly-open-source· checked 3 Oct 2026
hoverfly.io/hoverfly-cloud· checked 3 Oct 2026
hoverfly.io/pricing· checked 3 Oct 2026
docs.hoverfly.io/en/latest/pages/introduction/downloadin· checked 3 Oct 2026
hoverfly.io/privacy-policy· checked 3 Oct 2026
hoverfly.io/services· checked 3 Oct 2026