Top 11 Open-Source Alternatives to Mockservice.io

Mockservice.io

Don't waste your time. Mock your REST API and ship your application sooner. Choose one of ready-to-use response templates to simulate response from public APIs.

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Product categories

API API Clients API Testing API Tools APIs Business Workflows Data Integration Developer APIs Developer Tools HTTP Proxies Monitoring Tools Rapid Application Development

Summary

The top open-source alternatives to Mockservice.io are Postman, MockServer, and WireMock. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Postman Landing Page
1

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 30 social mentions
MockServer Landing Page
2

MockServer

Easy mocking of any system you integrate with via HTTP or HTTPS.
Pricing:
- Open Source
#API #API Tools #Developer Tools 4 social mentions
WireMock Landing Page
3

WireMock

WireMock - a web service test double for all occasions.
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 22 social mentions
Webhook.site Landing Page
4

Webhook.site

Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Pricing:
- Open Source
- Freemium
- $14.0 / Monthly
#API #Sales Workflow #Data Integration 78 social mentions
Mocko.dev Landing Page
5

Mocko.dev

Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integrations tests.
Pricing:
- Open Source
- Free
#API Tools #Developer Tools #APIs 2 social mentions
Mockoon Landing Page
6

Mockoon

Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.
Pricing:
- Open Source
- Paid
- Free Trial
- $15.0 / Monthly (5 API mocks synchronized accross your devices, 1 mock deployed)
#API Tools #Developer Tools #APIs 34 social mentions
Mockintosh Landing Page
7

Mockintosh

Mocks for microservice environments
Pricing:
- Open Source
#API Tools #Developer Tools #APIs
Hoppscotch Landing Page
8

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Productivity #API Tools #Developer Tools 92 social mentions
Insomnia REST Landing Page
9

Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Pricing:
- Open Source
#API #API Tools #Developer Tools 129 social mentions
DreamFactory Landing Page
10

DreamFactory

DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #Monitoring Tools #Rapid Application Development 1 social mentions
Mockit Landing Page
11

M

Mockit

Dead simple API mocking for the lowest price on the internet. Custom subdomains, unlimited mocks, unlimited teammates, request logging. Free or $4.99 per month.
Pricing:
- Open Source
#Software Development #API Tools #Developer Tools