Echo vs Rails API: What are the differences?

# Introduction
This markdown provides a comparison between Echo and Rails API, focusing on key differences between the two technologies.

1. **Language**:
   Echo is written in Go, while Rails API is based on Ruby on Rails. This means that developers need to have proficiency in either Go or Ruby to work effectively with Echo or Rails API, respectively.

2. **Performance**:
   Echo is known for its high performance due to being a lightweight framework, making it suitable for building fast and efficient applications. On the other hand, Rails API, while powerful, may not perform as well as Echo in high-traffic scenarios.

3. **Flexibility**:
   Rails API offers a more opinionated structure with conventions that guide developers on how to build applications. In contrast, Echo provides more flexibility and allows developers to have more control over the architecture and design decisions of their applications.

4. **Community Support**:
   Ruby on Rails has a large and active community that provides extensive resources, tutorials, and plugins to support developers. While Echo has been gaining popularity, it may not offer the same level of community support as Rails API.

5. **Learning Curve**:
   Echo is designed to be minimalist and straightforward, which can result in a shorter learning curve for developers who are new to the framework. Conversely, Rails API, with its more comprehensive and feature-rich nature, may have a steeper learning curve for beginners.

6. **Scalability**:
   Echo is often touted for its scalability, making it suitable for building large-scale applications that can handle a high volume of traffic. While Rails API can also be scaled, it may require more effort and optimization compared to Echo.

In Summary, this markdown highlights key differences between Echo and Rails API, including the programming language, performance, flexibility, community support, learning curve, and scalability of each framework.