Top 10 Open-Source Alternatives to Temp API

Temp API

Test your frontend apps with temporary rest APIs.

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API API Clients API Design API Management API Testing API Tools APIs Blogging Blogging Platform CMS Developer APIs Developer Tools

Summary

The top open-source alternatives to Temp API are Postman, Amplication, and Insomnia REST. 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
Amplication Landing Page
2

Amplication

Instantly generate Node.js apps with GraphQL and REST API
Pricing:
- Open Source
#Open Source #Logging #Influencer Marketing 71 social mentions
Insomnia REST Landing Page
3

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 134 social mentions
Hoppscotch Landing Page
4

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Productivity #API Tools #Developer Tools 102 social mentions
swagger.io Landing Page
5

swagger.io

Swagger is an open source RESTapi Documentation Tool.
Pricing:
- Open Source
#API Tools #Data Integration #Web Service Automation 106 social mentions
StopLight Landing Page
6

StopLight

Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience.
Pricing:
- Open Source
- Freemium
- Free Trial
#API #API Tools #API Management 33 social mentions
Strapi Landing Page
7

Strapi

Manage any content. Anywhere. The leading open-source headless CMS. 100% JavaScript / TypeScript and fully customizable.
Pricing:
- Open Source
#CMS #Blogging #Blogging Platform 341 social mentions
Guerrilla Mail Landing Page
8

Guerrilla Mail

Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.
Pricing:
- Open Source
#Email #Disposable Email #Fake Email 5 social mentions
curlx Landing Page
9

curlx

If cURL and Postman had a baby 👶
Pricing:
- Open Source
#API Tools #Developer Tools #APIs
req Landing Page
10

req

A minimal yet powerful HTTP client/API testing tool.
Pricing:
- Open Source
#API Tools #Developer Tools #APIs