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.

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Mock API generator — create APIs in 60 seconds

apismaker is a free mock API generator. Create REST APIs in 60 seconds without code. Import JSON, Excel, or CSV. No signup required — try the demo now.

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Why apismaker — free mock API generator

mock API for frontend development
fake REST API for testing
JSON, Excel, CSV to API
no-code API prototyping

Instant mock APIs

Create mock API endpoints in minutes with templates

JSON, Excel, CSV to API

Import data, map columns, serve as REST endpoints

API playground & share

Built-in API testing tool, call from anywhere

MCP for AI assistants

Connect Cursor, Claude, Windsurf to your APIs