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Hoverfly vs Traffic Parrot

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.

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Traffic Parrot

Free trial APILinuxMac+3

Traffic Parrot covers a broad range of service simulation and automation needs, with deployment options spanning local machines, cloud, and CI/CD. Teams using a shared WebUI environment should account for the stated access limitation.

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The facts

HoverflyTraffic Parrot
Free planA free trialA free trial
Open sourceNot publishedNot published
Runs onAPI, Linux, Mac, Self-hosted, Web, WindowsAPI, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planDeveloper: $10 a monthFree or on request
Plans published31
MakerNot publishedNot published
Websitehoverfly.iotrafficparrot.com
On service virtualization software#15 of 21#19 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.

Traffic Parrot: what it does well

  • Records and replays six listed traffic types.
  • Supports dynamic responses through scripting and templates.
  • Offers APIs and Maven and Gradle automation plugins.
  • Includes stateful simulation and fault injection.

What to know first

  • No shared-environment user management is offered.
  • FAST, Kafka, MQTT, and some protocols are beta-only.
  • Requires Java 17 or later.
  • Trial requests require a business email address.

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