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The 6 Best API Generation Tools in 2024

Zoha Shakoor

Content Strategist

June 21st, 2024

80% of organizations use APIs, highlighting the significant adoption rate and an upward trend for greater API usage. APIs can be important for businesses, but creating them from scratch is complex. With the advent of various API generation tools, the task of developing APIs has been simplified.

API generation tools automate the creation process of an API based on existing code and specifications, such as pre-defined data sources, functionalities, and access control. Their primary purpose is to simplify and accelerate API development.

There are multiple API generation tools in the market, but no one-size-fits-all approach exists. The ideal tool for any business depends on its specific needs and requirements. In this blog, we will discuss the top API generation tools, each offering unique features for API creation.

API Generation Tools vs. API Generators

API generators and API generation tools offer distinct roles in software development. API generation tools provide additional functionalities, such as workflow orchestration, without the need for extensive coding, while API generators specifically focus only on code generation for the APIs.

API Generators

API generators operate like assembly lines, producing APIs based on pre-defined templates and configurations. They take input parameters, like data models and endpoints, and output code that implements the desired API.

For example, a primary API generator takes specifications and generates code in a programming language like Python.

Image showing the API generators generating a code on python

API Generation Tools

On the other hand, API generation tools offer a broader range of functionalities beyond mere code generation. They have intuitive interfaces and are low-code and no-code solutions. These tools streamline the entire API development process, from design to deployment.

Unlike API generators, API generation tools don’t require extensive coding. Instead, they employ visual interfaces or configuration-based setups. They provide features like workflow orchestration, request/response validation, and documentation generation, all within a user-friendly environment.

The automation and ease of use make the API generation tools the better choice among developers and users.

Benefits of Leveraging API Generation Tools

API generation tools simplify API development, deployment, and usage for businesses. They offer multiple benefits, including reduced development costs and simplified API maintenance.

Get to Market Faster

API generation tools accelerate development by automating repetitive tasks like code generation, documentation creation, and client library building. This automation allows businesses to launch new features and functionalities quicker, capitalizing on market opportunities sooner.

Reduce Development Costs

API generation tools help businesses save significant resources, such as time and labor, by minimizing manual coding and streamlining development workflows. Organizations can reallocate that budget to other strategic initiatives, like launching the product quicker.

Ensure Consistent, High-Quality APIs

These tools enforce industry best practices and coding standards, leading to consistent and reliable APIs. API generation tools minimize the risk of disruptions, like errors in manual coding and security vulnerabilities that can be costly to fix.

Image showcasing the advantages of utilizing API generation tools

Empower Developers

API generation tools free up developers’ time from manual coding tasks. This allows them to focus on core functionalities and innovative aspects of API development, ultimately boosting overall developer productivity and fostering a culture of creativity.

Simplify API Maintenance

APIs built with generation tools are well-documented and more accessible for developers to understand, even those new to the project. Auto-generated APIs simplify future maintenance and reduce the risk of errors when modifications or updates are needed.

Additionally, some tools can automatically update the API when changes are made to the underlying code, minimizing discrepancies and maintenance efforts.

Top 6 Best API Generation Tools

Now that we understand API generation tools and how they benefit businesses, the next step is to explore the options to find the right fit for an organization’s specific needs.


Astera API Management simplifies API development with a code-free, design-centric approach. Astera also safeguards APIs through access controls and traffic monitoring while auto-generating documentation for enhanced clarity and usability.

Key Features

  • It offers the visual design and implementation of APIs with a drag-and-drop interface, eliminating the need for coding expertise.
  • It connects various data sources, transforms data, and executes tasks using a comprehensive toolbox.
  • Astera effortlessly generates CRUD (Create, Read, Update, Delete) database APIs with a single click.
  • The platform generates API test flows automatically, streamlining post-deployment testing for optimal API performance.
  • It supports third-party API integrations to create powerful functionalities.
  • It provides data visualization at each API design step, validating your solution in real time.
  • With one click, the platform deploys APIs to any environment (on-premises, cloud, or hybrid).
  • With Astera, you can also share APIs through a centralized portal with subscription options.
  • It also has built-in API security features.

Amazon API Gateway

This platform enables the creation, management, and security of an API.

Key Features

  • Developers can define RESTful and WebSocket APIs for real-time communication applications.
  • API Gateway handles high volumes of concurrent calls, ensuring smooth operation as the application grows.
  • Built-in traffic management allows for controlling request flow, handling traffic spikes, and maintaining performance.
  • Its security features include various authorization methods and access control mechanisms to protect resources and data.


MuleSoft is a data integration platform for connecting enterprise applications in the cloud and on-premise. Through its API Design subsystem, it offers functionalities for designing and generating APIs.

Key Features

  • The visual interface allows for building API specifications and defining protocols, resources, and data models.
  • Offers creating and managing data structures (data types) referenced within the API definition.
  • Users can set access rules for API endpoints to control user access and permissions.
  • Provides integration with external systems and utilizes built-in mocking services for API testing before deployment.

Dream Factory

 DreamFactory is a REST API generation tool that allows the creation of APIs from any database.

Key Features

  • It operates in diverse environments, including on-premise, cloud-based, and air-gapped deployments.
  • DreamFactory generates secure and fully documented APIs.
  • It implements HTTPS for data transmission and adds headers for Cross-Origin Resource Sharing (CORS).
  • It allows the integration of any SQL or NoSQL system or external HTTP or SOAP service and generates a documented REST API.

Fast API

FastAPI is a modern Python web framework (for Python 3.8+) designed for building APIs focusing on simplicity and compatibility with widely used standards.

Key Features

  • It encourages modular and reusable code through dependency injection.
  • Fast API enables the definition of response models to ensure clear and consistent API responses.
  • The platform fully supports OpenAPI, allowing the automatic generation of documentation and code directly from API definitions.
  • It provides tools for efficient error handling, including custom exceptions and global error handlers.


PrestoAPI offers a cloud-based solution for generating RESTful APIs from various data sources. It supports connections to popular database systems, like SQL Server, for integration with diverse data environments.

Key Features

  • It offers role-based access control that allows the assignment of user roles and manage permissions for applications.
  • Provides security by integrating with Identity Server, OAuth 2.0, and Active Directory.
  • The platform generates RESTful APIs from various data sources without writing code.
  • PrestoAPI offers flexibility by connecting to popular database systems like SQL Server, MySQL, PostgreSQL, MongoDB, and Oracle.

How to Choose the Right API Generation Tool

To select the ideal API generation tool, we should consider several key factors. These factors help us ensure the tool aligns with our needs and delivers optimal results.

Tool Capabilities

Look for features that address the project requirements. These include code analysis for existing codebases to understand their structure and functionalities—the ability to generate APIs based on pre-defined specifications like data models and access methods. Also, the tool should have low-code development options for users with less coding experience.

A User-friendly Experience

Consider the tool’s interface for easy navigation. Ensure it has detailed documentation so the development team can adopt it smoothly. A user-friendly tool also reduces training time and quickly upgrades developer productivity.

Integration with the Existing Ecosystem

Ensure the API generation tool works well with the current technology (like programming languages and databases) and any other tools or platforms in use. Smooth integration keeps the workflow running smoothly and prevents issues in the development process.

Flexible Deployment Options

Look for a tool that allows deployment in the preferred environment (on-premises, cloud, or hybrid). The deployment options should match the existing infrastructure.

Data Source Integration

Check what data sources your APIs will connect to. Ensure the tool supports the specific databases (e.g., SQL Server, MySQL) or offers generic data source connectivity. The best API generation tool should provide additional capabilities, like transformations and task automation.

Customization and Flexibility for Growth

Evaluate how adaptable the tool is to the project’s unique needs. Can it handle customizations specific to your project? Does it allow for future enhancements as API requirements evolve? Choosing a flexible tool that adapts to changing needs without completely switching tools later.

API Needs to Handle Growth

Make sure the generated APIs can perform efficiently under high traffic volumes. Check if the tool offers options for scaling the API as the user base grows. Use tools to avoid API downtime or slow response times, negatively affecting user experience.

Security and Data Protection

Verify that the API generation tool adheres to industry security standards and offers secure authentication and encryption mechanisms. Strong security features are essential to safeguarding sensitive data and ensuring the API complies with relevant regulations.

Cost and Licensing

Evaluate the pricing structure and different licensing options the API generation tool provider offers. Choose a tool that aligns with the budget and project requirements. Consider factors like one-time fees, subscription models, or pay-per-use options.


API generation tools can simplify the complex task of API generation and offer various advantages, including reduced development costs, improved API quality, and maintainability.

Leverage the functionalities provided by API generation tools and align them with the project requirements to generate secure and fully documented APIs within minutes. With the right tool, the development team can create efficient and secure APIs that help in seamless data connectivity.

Astera API Management helps design APIs with a drag-and-drop interface, eliminating the need for code. It also integrates with various data sources and automates processes like API testing and CRUD API generation for databases. Schedule a free demo or start a free 14-day trial to experience how Astera puts the power of efficient and secure API development at your fingertips.

Simplify Your API Development with Astera Today

Experience seamless API development with Astera API Management. Design, integrate, and automate your APIs effortlessly. Start your free trial now to see how Astera can streamline your API workflows.

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  • Zoha Shakoor
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