A mock API is a fake REST API that returns sample data for testing and development. Mock APIs let frontend developers, QA teams, and product managers test integrations without a real backend. apismaker lets you create mock APIs in 60 seconds from JSON, Excel, or CSV — no code required.

How do I create a mock API for free?

Sign up at apismaker.com, pick a template or import your data (JSON, Excel, CSV), and get instant REST endpoints. No code required. You can try our free mock API demo without signing up.

What is the best free mock API generator?

apismaker is a free mock API generator that lets you create REST APIs in 60 seconds. Import JSON, Excel, or CSV. No code required. Try the demo without signup.

How do I create a fake API for testing?

Use apismaker to create a fake API for testing. Import your data (JSON, Excel, CSV) or pick a template. Get instant REST endpoints. No backend required.

Can I turn Excel into an API?

Yes. apismaker converts Excel, CSV, and JSON files into REST APIs. Upload your file, map columns to entity fields, and get working endpoints in 60 seconds.

What is a no-code API builder?

A no-code API builder lets you create APIs without writing code. apismaker is a no-code API builder. Import data or use templates to get REST endpoints instantly.

How do I create a mock API for React or frontend development?

Use apismaker to create a mock API for frontend development. Get REST endpoints in 60 seconds. No backend needed. Test your React app against real-looking API responses.

How to Create a Mock API in 60 Seconds

March 4, 2026

Creating a mock API used to require backend code, databases, and deployment. With apismaker, you can have a working REST API in under 60 seconds — no code, no setup, no credit card.

Step 1: Sign up (free)

Go to apismaker and create your free account. No credit card required. The signup takes about 10 seconds.

Step 2: Choose a template

Pick from pre-built templates: Users API, Products Catalog, or Todos. Each comes with sample data and full CRUD endpoints. Or start from scratch if you prefer.

Step 3: Get your API URL

Once the project is created, you'll see your API base URL. Copy it and start making requests. GET, POST, PATCH, PUT, DELETE — all supported. Test it in the built-in playground or from curl, Postman, or your frontend.

Why use a mock API?

Mock APIs are perfect for frontend development, prototyping, testing, and demos. You can develop your React, Vue, or mobile app without waiting for a backend. Share the API URL with your team so everyone uses the same data.

How to Create a Mock API in 60 Seconds

Step 1: Sign up (free)

Step 2: Choose a template

Step 3: Get your API URL

Why use a mock API?

Try it yourself