Documentation

Learning Center

Everything you need to master Mock API Builder — REST, GraphQL, gRPC, and SOAP, from your first API to advanced production patterns

Quick Start Guide Protocols Go to Dashboard

Getting Started

Start HereBeginner

Everything you need to know to create your first mock API in minutes

Introduction to Mock API Builder

Learn what Mock API Builder is and why it's perfect for your development workflow

5 min read

Guest Mode (No Account)

New

Try our platform without creating an account — no signup required

3 min read

Quick Start Guide

Create, test, and deploy your first mock API in just 5 minutes

5 min tutorial

Understanding the Dashboard

Navigate the interface, manage projects, and use keyboard shortcuts

8 min read

Core Concepts

Beginner

Master the fundamental building blocks of mock APIs

Projects & Organization

Learn how to structure and manage your API projects effectively

10 min read

Endpoints & Resources

Create and configure API endpoints with full CRUD operations

12 min read

Data Schemas & Contracts

Define data structures and validate API contracts

15 min read

Mock Data Generation

Automatically generate realistic test data with Faker.js

10 min read

Protocols

NewBeginner

Mock REST, GraphQL, gRPC, and SOAP — one protocol per project

Choosing a Protocol

New

REST, GraphQL, gRPC, or SOAP — how protocol lock works and when to use each

8 min read

GraphQL Mock APIs

New

Create a GraphQL project, import SDL, and call queries and mutations

12 min read

gRPC Mock APIs

New

Import a .proto file and mock unary and streaming RPC methods

12 min read

SOAP Mock APIs

New

Import a WSDL and mock SOAP operations with XML envelopes

12 min read

Working with APIs

Beginner

Daily operations and practical workflows

Using Project Templates

Quick-start with pre-built templates for common use cases

8 min read

API Template Marketplace

New

Browse and import official, community, and workspace templates

8 min read

Importing from OpenAPI/Swagger

Import existing API specifications in seconds

10 min tutorial

Proxy Mode

New

Forward requests to real APIs with hybrid fallback

12 min read

Developer Tools

New

Echo server, test data generator, paste-to-mock, and 2FA

8 min read

Testing & Debugging APIs

Use the interactive tester to validate your endpoints

15 min tutorial

API Documentation

Generate professional Swagger-style documentation

10 min read

Advanced Features

Intermediate

Power user capabilities for complex scenarios

Project Integrations

New

Webhooks, proxy recording, AI fill, and custom domains in Project Settings

10 min read

AI Rule Builder

New

Generate a mock response rule from a plain-language description

8 min read

Multi-Environment Support

Manage dev, staging, and production configurations

12 min read

Workspaces & Collaboration

Team workspaces, organizations, and alert rules

12 min read

Stateful Mocking

Persist data across requests with Postgres-backed state

15 min read

Version History

Snapshot, compare, and restore project versions

10 min read

Response Customization

Status codes, delays, conditional responses, and templates

12 min read

Request Logging & Analytics

Track API usage and monitor performance metrics

10 min read

Request Replay & Diff Comparison

New

Re-run a logged request or compare two of them with a colored diff

8 min read

Analytics Dashboard

New

Request volume, latency, and error-rate charts for a project

8 min read

Project Sharing & Collaboration

Share APIs with teams and stakeholders securely

8 min tutorial

Integration & Export

Intermediate

Connect with external tools and workflows

Using APIs in Frontend Applications

Integrate mock APIs into React, Vue, Angular, and Next.js

20 min tutorial

Postman Export

Export and test APIs using Postman Collections

10 min tutorial

OpenAPI/Swagger Spec

View and manage OpenAPI specifications

8 min read

Security & Best Practices

Intermediate

Build secure, production-ready APIs

Authentication & Authorization

Understand JWT-based security and user management

15 min read

Rate Limiting

Work within API usage limits and handle 429 responses

10 min read

Security Best Practices

Follow security guidelines and protect your data

12 min read

Performance Optimization

Make your APIs fast and efficient

15 min read

Troubleshooting & FAQs

Beginner

Quick solutions to common problems

Common Issues & Solutions

Resolve typical problems with step-by-step guides

10 min read

Frequently Asked Questions

Quick answers to the most common questions

8 min read

Error Handling

Complete guide to understanding all error codes

12 min read

Known Issues

Current known issues and their workarounds

5 min read

Getting Help

Community resources and support channels

5 min read

Feature Requests

Submit ideas and vote on upcoming features

5 min read

Real-World Examples

Intermediate

Learn from practical, production-ready examples

E-commerce Application

Build a complete product catalog and shopping cart API

25 min tutorial

Blog/CMS Application

Create a content management system with posts and comments

20 min tutorial

Task Management App

Build a todo list API with full CRUD operations

20 min tutorial

Chat Application

Create a messaging API with real-time capabilities

25 min tutorial

Social Network

Build a social platform API with users and relationships

25 min tutorial

User Authentication System

Complete authentication flow with login and tokens

30 min tutorial

Mobile App Backend

Design APIs for React Native and Flutter applications

30 min tutorial

Advanced Topics

Advanced

Expert-level concepts and patterns

API Design Principles

Learn professional RESTful API design patterns

30 min read

REST Principles

Deep dive into RESTful architecture and best practices

25 min read

API Versioning

Strategies for versioning and backward compatibility

20 min read

Testing Strategies

Comprehensive API testing with Jest, Vitest, and Cypress

35 min tutorial

CORS & Security

Understanding and configuring CORS for web applications

20 min read

Webhooks & Events

Inbox, outbound subscriptions, and payload simulation

25 min read

Custom Domains & mTLS

New

Route mock traffic via your own domain with optional mTLS

15 min read

Enterprise SSO

New

Configure SAML/OIDC for organization login

12 min read

API Reference

Intermediate

Complete technical documentation

HTTP Status Codes

Complete guide to HTTP semantics and status codes

10 min read

Search & Filter

Advanced querying, filtering, and pagination techniques

12 min read

CI/CD Integration

Integrate mock APIs into your CI/CD pipeline

20 min tutorial

Additional Resources

Quick Start

Get up and running with your first API in 5 minutes

Start Tutorial

Need Help?

Check our FAQ or get support from the community

View FAQs

Changelog

See what's new, changed, and fixed in the latest updates

View Changelog

Ready to Build Your First Mock API?

Create, test, and share professional mock APIs in minutes. No backend knowledge required.

Create Your First Project Watch Quick Start

Documentation

Learning Center

Everything you need to master Mock API Builder — REST, GraphQL, gRPC, and SOAP, from your first API to advanced production patterns

Quick Start Guide Protocols Go to Dashboard

Getting Started

Start HereBeginner

Everything you need to know to create your first mock API in minutes

Introduction to Mock API Builder

Learn what Mock API Builder is and why it's perfect for your development workflow

5 min read

Guest Mode (No Account)

New

Try our platform without creating an account — no signup required

3 min read

Quick Start Guide

Create, test, and deploy your first mock API in just 5 minutes

5 min tutorial

Understanding the Dashboard

Navigate the interface, manage projects, and use keyboard shortcuts

8 min read

Core Concepts

Beginner

Master the fundamental building blocks of mock APIs

Projects & Organization

Learn how to structure and manage your API projects effectively

10 min read

Endpoints & Resources

Create and configure API endpoints with full CRUD operations

12 min read

Data Schemas & Contracts

Define data structures and validate API contracts

15 min read

Mock Data Generation

Automatically generate realistic test data with Faker.js

10 min read

Protocols

NewBeginner

Mock REST, GraphQL, gRPC, and SOAP — one protocol per project

Choosing a Protocol

New

REST, GraphQL, gRPC, or SOAP — how protocol lock works and when to use each

8 min read

GraphQL Mock APIs

New

Create a GraphQL project, import SDL, and call queries and mutations

12 min read

gRPC Mock APIs

New

Import a .proto file and mock unary and streaming RPC methods

12 min read

SOAP Mock APIs

New

Import a WSDL and mock SOAP operations with XML envelopes

12 min read

Working with APIs

Beginner

Daily operations and practical workflows

Using Project Templates

Quick-start with pre-built templates for common use cases

8 min read

API Template Marketplace

New

Browse and import official, community, and workspace templates

8 min read

Importing from OpenAPI/Swagger

Import existing API specifications in seconds

10 min tutorial

Proxy Mode

New

Forward requests to real APIs with hybrid fallback

12 min read

Developer Tools

New

Echo server, test data generator, paste-to-mock, and 2FA

8 min read

Testing & Debugging APIs

Use the interactive tester to validate your endpoints

15 min tutorial

API Documentation

Generate professional Swagger-style documentation

10 min read

Advanced Features

Intermediate

Power user capabilities for complex scenarios

Project Integrations

New

Webhooks, proxy recording, AI fill, and custom domains in Project Settings

10 min read

AI Rule Builder

New

Generate a mock response rule from a plain-language description

8 min read

Multi-Environment Support

Manage dev, staging, and production configurations

12 min read

Workspaces & Collaboration

Team workspaces, organizations, and alert rules

12 min read

Stateful Mocking

Persist data across requests with Postgres-backed state

15 min read

Version History

Snapshot, compare, and restore project versions

10 min read

Response Customization

Status codes, delays, conditional responses, and templates

12 min read

Request Logging & Analytics

Track API usage and monitor performance metrics

10 min read

Request Replay & Diff Comparison

New

Re-run a logged request or compare two of them with a colored diff

8 min read

Analytics Dashboard

New

Request volume, latency, and error-rate charts for a project

8 min read

Project Sharing & Collaboration

Share APIs with teams and stakeholders securely

8 min tutorial

Integration & Export

Intermediate

Connect with external tools and workflows

Using APIs in Frontend Applications

Integrate mock APIs into React, Vue, Angular, and Next.js

20 min tutorial

Postman Export

Export and test APIs using Postman Collections

10 min tutorial

OpenAPI/Swagger Spec

View and manage OpenAPI specifications

8 min read

Security & Best Practices

Intermediate

Build secure, production-ready APIs

Authentication & Authorization

Understand JWT-based security and user management

15 min read

Rate Limiting

Work within API usage limits and handle 429 responses

10 min read

Security Best Practices

Follow security guidelines and protect your data

12 min read

Performance Optimization

Make your APIs fast and efficient

15 min read

Troubleshooting & FAQs

Beginner

Quick solutions to common problems

Common Issues & Solutions

Resolve typical problems with step-by-step guides

10 min read

Frequently Asked Questions

Quick answers to the most common questions

8 min read

Error Handling

Complete guide to understanding all error codes

12 min read

Known Issues

Current known issues and their workarounds

5 min read

Getting Help

Community resources and support channels

5 min read

Feature Requests

Submit ideas and vote on upcoming features

5 min read

Real-World Examples

Intermediate

Learn from practical, production-ready examples

E-commerce Application

Build a complete product catalog and shopping cart API

25 min tutorial

Blog/CMS Application

Create a content management system with posts and comments

20 min tutorial

Task Management App

Build a todo list API with full CRUD operations

20 min tutorial

Chat Application

Create a messaging API with real-time capabilities

25 min tutorial

Social Network

Build a social platform API with users and relationships

25 min tutorial

User Authentication System

Complete authentication flow with login and tokens

30 min tutorial

Mobile App Backend

Design APIs for React Native and Flutter applications

30 min tutorial

Advanced Topics

Advanced

Expert-level concepts and patterns

API Design Principles

Learn professional RESTful API design patterns

30 min read

REST Principles

Deep dive into RESTful architecture and best practices

25 min read

API Versioning

Strategies for versioning and backward compatibility

20 min read

Testing Strategies

Comprehensive API testing with Jest, Vitest, and Cypress

35 min tutorial

CORS & Security

Understanding and configuring CORS for web applications

20 min read

Webhooks & Events

Inbox, outbound subscriptions, and payload simulation

25 min read

Custom Domains & mTLS

New

Route mock traffic via your own domain with optional mTLS

15 min read

Enterprise SSO

New

Configure SAML/OIDC for organization login

12 min read

API Reference

Intermediate

Complete technical documentation

HTTP Status Codes

Complete guide to HTTP semantics and status codes

10 min read

Search & Filter

Advanced querying, filtering, and pagination techniques

12 min read

CI/CD Integration

Integrate mock APIs into your CI/CD pipeline

20 min tutorial

Additional Resources

Quick Start

Get up and running with your first API in 5 minutes

Start Tutorial

Need Help?

Check our FAQ or get support from the community

View FAQs

Changelog

See what's new, changed, and fixed in the latest updates

View Changelog

Ready to Build Your First Mock API?

Create, test, and share professional mock APIs in minutes. No backend knowledge required.

Create Your First Project Watch Quick Start