Mockoon

Name: Mockoon
Price: 10 EUR

Web · Windows · Mac · Linux · Self-hosted · API · paid plans from €10/mo

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Freedom report

One barScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedThinly documented

Mockoon is ranked #16 of 27 in API mocking tools on Freedom251. It runs on API, Linux, macOS, Self-hosted, Web, Windows. A free trial is offered. Paid plans start at €10/mo.

Mockoon plans and pricing

All plans

Team plan €10/mo €120/license/year; annual billing; tax excl. €10/license/month · Flexible license slots for users or running mock instances · Self-hosted mockoon.com · 4 Oct 2026

Enterprise plan Not published Contact for pricing Large teams and organizations · Optional managed cloud deployment · Custom bandwidth and SLA mockoon.com · 4 Oct 2026

Compared on API mocking tools

Free plan: Yes

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The record

Purpose: Mockoon is a free and open-source tool for designing and running mock APIs locally.
API workflow: It supports the OpenAPI specification and is designed to fit existing applications and API design workflows.
Mock behaviors: Features include dynamic templating, rule matching, JSON databases, proxy mode, webhooks, and TLS support.
Testing and recording: It can record requests and responses from a real API for auto-mocking, and supports proxying and integration testing.
Open-source limits: The open-source version allows unlimited mock APIs and routes and can run them in parallel.
Automation: The CLI can run mocks in headless and automated environments, including CI, GitHub Actions, and Docker containers.
Serverless: Mock APIs can run in serverless environments such as AWS Lambda and GCP/Firebase Functions.
Pro collaboration: Mockoon Pro supports real-time team collaboration, synchronized mock APIs, and deployment management on private infrastructure.
Pro deployment: Mockoon Pro can be self-hosted on-premises, in a private cloud, or on an isolated or air-gapped network.
Trial eligibility: Eligible companies can request one 14-day self-hosted Pro trial with five license slots using a verified work email, without a payment method.
Support: Team includes next-business-day email support; Enterprise offers dedicated support with a four-business-hour initial response time.
Privacy: The desktop app stores mocks locally, works offline without an account, and reports no mock content or request data to Mockoon.
Compliance: Mockoon says it supports customers operating under GDPR, CCPA, the UK Data Protection Act, and PIPEDA.
Platforms: Desktop downloads are listed for Windows, macOS, and Linux, with Linux packages for x86_64 and arm64.
Price from: €10/mo

Where it ranks on Freedom251

Best API Mocking Tools in 2026#16 of 27
Best Integration Testing Tools in 2026#15 of 26
Best API Design Tools in 2026#18 of 26

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Sources

mockoon.com· checked 4 Oct 2026
mockoon.com/features/· checked 4 Oct 2026
mockoon.com/pricing/· checked 4 Oct 2026
mockoon.com/trust/· checked 4 Oct 2026
mockoon.com/download/· checked 4 Oct 2026
mockoon.com/about/· checked 4 Oct 2026