RESTful JSON API Reviews & Product Details

The Open Bank Project's RESTful JSON API is a comprehensive open-source solution designed to facilitate secure and standardized access to banking data and services. By providing over 300 RESTful APIs, it enables developers to create innovative financial applications that interact seamlessly with banking systems. Key Features and Functionality: - Extensive API Catalog: Offers a wide range of APIs covering various banking functionalities, including account information, transaction history, payment initiation, and KYC checks. - Standardized Data Access: Utilizes RESTful principles and JSON format to ensure consistent and efficient data exchange between applications and banking systems. - Developer-Friendly Tools: Provides an API Explorer for developers to browse, discover, and test endpoints, facilitating a smoother development process. - Internationalization Support: Incorporates an internationalization framework (i18n) to adapt applications to different languages and cultural contexts, enhancing global usability. Primary Value and User Solutions: The RESTful JSON API addresses the need for secure, standardized, and efficient access to banking data, enabling developers to build a diverse range of financial applications. By offering a comprehensive suite of APIs, it empowers developers to create solutions such as personal finance management tools, online accounting services, savings applications, and peer-to-peer payment platforms. This fosters innovation in the financial sector and enhances the digital banking experience for end-users.

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Open Bank Project

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Nilesh B.

Java Developer

Enterprise (> 1000 emp.)

3/19/2026

"Lightweight, Fast, and Easy to Use with Wide Compatibility"

5/5

What do you like best about RESTful JSON API?

Lightweight and fast, it’s straightforward to understand and use, and it works well across a wide range of compatible systems. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

Lack of strong typing: JSON doesn’t enforce data types strictly, which can lead to inconsistencies. I also run into overfetching and underfetching issues, and versioning can be a challenge as requirements change. Review collected by and hosted on G2.com.

Dhruv P.

NodeJS Backend Developer

Mid-Market (51-1000 emp.)

8/7/2025

"Working with RESTful JSON APIs as a Developer"

3.5/5

What do you like best about RESTful JSON API?

I like that REST follows a clear structure using standard HTTP methods. It keeps things simple, organized, and makes building and debugging APIs much easier. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

Sometimes REST can feel too rigid, especially when dealing with complex relationships or nested data. I often end up making multiple requests to get everything data I need to send as response. Review collected by and hosted on G2.com.

Dasaradha V.

Software Engineering Specialist

Mid-Market (51-1000 emp.)

12/22/2023

"Faster data process using RESTful JSON format"

4.5/5

What do you like best about RESTful JSON API?

Very simple and easy to use.

Faster and Ease of implementation with other applications.

Increase the scalability and number of features easily. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

Its difficult of maintain the state, the load will go on client.

Its mostly used for public URI's, security is a concern. Review collected by and hosted on G2.com.

Nimesh B.

Specialist

Enterprise (> 1000 emp.)

9/12/2023

"Its is very useful to integrate different application through API"

5/5

What do you like best about RESTful JSON API?

It is very useful in connecting to different cloud applications through API using RESTful JSON Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

Nothing as it is very useful and easy as compare to SOAP API Review collected by and hosted on G2.com.

LindaRuth M.

Data Architect

Small-Business (50 or fewer emp.)

1/4/2023

"RestAPI Rocks!"

5/5

What do you like best about RESTful JSON API?

Can connect at-ease to restapi interfaces exposed to many sources through Postman, a programming language like Python or Tableau for direct connection. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

A 400 bad request is returned and can mean a number of things such as content-type not correct, not specified,required inputs are not set or if is not understood. Review collected by and hosted on G2.com.

Neha K.

Learning Facilitator

Small-Business (50 or fewer emp.)

9/13/2022

"Perfect match for interchange of data"

5/5

What do you like best about RESTful JSON API?

It is easy to understand and with the presence of get put post delete and other methods. Sending data for querying and receiving data from response becomes so easier. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

There's nothing much to dislike about JSON Restful API. Since the json object t is easily understood by ones who know JavaScript. There's nothing more I can ask for. However, I feel it's not much of a beginner friendly since it's hard or a little overwhelming to understand. Review collected by and hosted on G2.com.

Jose G.

Technical Support Associate

Small-Business (50 or fewer emp.)

9/15/2022

"Excellent tool for testing and integration purposes"

4.5/5

What do you like best about RESTful JSON API?

It's an efficient platform to Test and connect different integrations using RESTful services; it's been instrumental for the organization to offer a different kind of solutions to customers Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

It's not a downside but a quality point to improve; increasing the number of simultaneous calls a service can get in a timeframe; would be highly appreciated. Super recommended Review collected by and hosted on G2.com.

Verified User in Alternative Dispute Resolution

Small-Business (50 or fewer emp.)

10/8/2022

"User firendly"

4.5/5

What do you like best about RESTful JSON API?

Though not a good example of a rich api , but is very user friendly, anyone with a bit knowledge of json and apis can simply use it in any product without much difficulty. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

There could be more features, like lets say a very deeply nested object is to be implemented, but restful json is not that rich , and is probably not good for that use case. Review collected by and hosted on G2.com.

Mohit S.

Consultant

Enterprise (> 1000 emp.)

3/31/2022

"Easy and Quick to build APIs"

5/5

What do you like best about RESTful JSON API?

RESTful JSON APIs are quick to build and can help to build loosly coupled APIs. These APIs can be created by using multiple tools available like MuleSoft, Delboomi etc. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

RESTful JSON APIs are not much useful if we have to process very large data. JSON can be used for small data but when it comes to bigger chunks we may see issues in processing, APIs getting down etc. Review collected by and hosted on G2.com.

Recommendations to others considering RESTful JSON API:

RESTful JSON APIs are easy to create, use and manage. You can use it if you want to creat fast and reliable APIs. Review collected by and hosted on G2.com.

What problems is RESTful JSON API solving and how is that benefiting you?

RESTful JSON APIs can be used to connect different systems of an organisation. It has made our system more efficient and fast. We are not seeing any data loss or service downtimes. Review collected by and hosted on G2.com.

Frank M.

Technical Lead

Mid-Market (51-1000 emp.)

8/1/2022

"Lightweight and scalable API integrations at your fingertips!"

5/5

What do you like best about RESTful JSON API?

They use existing frameworks and technology such the HTTP standard. JSON as a format is also more lightweight than XML or HTML. This makes the API fast and lightweight. Review collected by and hosted on G2.com.

What do you dislike about RESTful JSON API?

There aren't any downsides other than perhaps not all frameworks or development environments support this type of API and thus implementation costs can be higher. Review collected by and hosted on G2.com.