Top 9 Open-Source Alternatives to Instant API

Instant API

Instant API Easy offers an easy way to build, host, support, and sell API as a service platform from existing data, services, and code.

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Product categories

API API Clients API Gateway API Management API Testing API Tools APIs Api Analytics Developer APIs Developer Tools Monitoring Tools Web Service Automation

Summary

The top open-source alternatives to Instant API are Postman, Django REST framework, and Gravitee.io. 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
Django REST framework Landing Page
2

Django REST framework

Django REST framework is a toolkit for building web APIs.
Pricing:
- Open Source
#API Tools #API Management #Web Service Automation 3 social mentions
Gravitee.io Landing Page
3

Gravitee.io

Gravitee.io is a flexible, lightweight and an open source API management solution.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #Monitoring Tools #API Management 4 social mentions
DreamFactory Landing Page
4

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
Tyk Landing Page
5

Tyk

Tyk is an open-source API gateway and API management platform.
Pricing:
- Open Source
#API Tools #API Management #Web Service Automation 14 social mentions
Google Cloud Endpoints Landing Page
6

Google Cloud Endpoints

Google Cloud Endpoints provides the tools to develop, deploy, protect and monitor your APIs.
Pricing:
- Open Source
#API Tools #API Management #Web Service Automation 4 social mentions
RAML Landing Page
7

RAML

RAML is a solution that manages an API lifecycle from design to sharing.
Pricing:
- Open Source
#API Tools #API Management #Web Service Automation 5 social mentions
APIMATIC Landing Page
8

APIMATIC

APIMATIC offers developer experience platform for public, private, and internal APIs.
Pricing:
- Open Source
#API Tools #API Management #Web Service Automation
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