Best Temp API Alternatives & Competitors in 2025

Instantly generate Node.js apps with GraphQL and REST API.

Key Amplication features:

Rapid development Open-source Scalability Customizability

Open Source

Rest API client for VS Code, lightweight Postman alternative.

Key Thunder Client features:

User-Friendly Interface VS Code Integration Lightweight Environment Variables

Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

Key ASocks features:

HTTP Socks5 ASN targeting Pay as you go

Try for free paid Free Trial $3.0 (3$ per 1 Gb)

The Collaboration Platform for API Development.

Key Postman features:

User-Friendly Interface Collaboration Comprehensive Testing Tools Extensive API Documentation

Open Source

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.

Key Insomnia REST features:

User-Friendly Interface Support for Multiple Protocols Environment Management Custom Plugins and Themes

Open Source

Turn a Google SpreadSheet into a JSON Database API.

Key SheetBest features:

Ease of Use No-Code Solution Speed of Setup Cost-Effective

The A to Z of APIs for product managers.

Key API for Product Managers features:

Enhanced Collaboration Increased Efficiency Improved User Experience Scalability

Download AppCircle apk 1.3 for Android. App Circle lets you share apps with friends and view apps your friends use.

Key Appcircle features:

Cross-Platform Support Ease of Use Comprehensive Testing Continuous Integration and Delivery

API performance, accuracy, and uptime testing. Without code.

Key API Fortress features:

Comprehensive Testing User-Friendly Interface Automation Capabilities Collaboration Features

Empowering developers to quickly create APIs, collaborate with team and publish API docs.

Collaborative Documentation for Teams. Write here. Write now.

Key MeisterNote features:

User-Friendly Interface Collaboration Features Integration Capabilities Rich Media Support

Open source API development ecosystem.

Key Hoppscotch features:

User-Friendly Interface Open Source Multi-Platform Support Real-Time Collaboration

Open Source freemium

A free REST API for random Kanye West quotes.

Key kanye.rest features:

Entertainment Simplicity Free Access

Build scalable APIs in Node.js platform.

Key Building APIs with Node.js features:

JavaScript Ubiquity Non-blocking I/O Large Ecosystem Scalability