API Integration


In the world of internet, it is not a good idea to build all functionalities in your product when we have others providing the functionality for you to integrate into your website for free or at minimal cost.

It is best to focus on your core idea and let others handle what they are good in.

Many platforms provide API (Application Programming Interface) to let people use their services from other website/product. Few of them are open source (you just need to create an account to use) and few are paid.

We at Gaurish technologies are the expert using open source APIs and Paid APIs and have implemented many in the past and keep on doing the same for our valuable customers.

Below is a list of few we have implemented so far in different projects.

"You focus on your core business and let others focus on their and let's grow together"


This API has predictable, resource-oriented URLs, and uses HTTP response codes to indicate API errors. It use built-in HTTP features, like HTTP authentication and HTTP verbs, which are understood by off-the-shelf HTTP clients.


Direct Payment API offers you direct credit card payment processing capability through PayPal. For credit card transactions, customers stay on your website as PayPal processes the payment in the background.

Apple Pay

Apple took a big step into the world of mobile payments with the introduction of the iPhone 6 and Apple Pay. There are two ways you can use Apple Pay to purchase items: at the point of sale using Near Field Communication (NFC), or within an iOS app.


This API is the primary way to get data out of, and put data into, Facebook's platform. It's a low-level HTTP-based API that you can use to programmatically query data, post new stories, manage ads, upload photos, and perform a variety of other tasks that an app might implement.

Amazon S3

Amazon Simple Storage Service (Amazon S3) is storage for the Internet. You can use Amazon S3 to store and retrieve any amount of data at any time, from anywhere on the web.

Amazon MWS

Amazon Marketplace Web Service (Amazon MWS) is an integrated web service API that helps Amazon sellers to programmatically exchange data on listings, orders, payments, reports and more. Data integration with Amazon enables high levels of selling automation, which can help sellers grow their business.

Amazon AWS

Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. Amazon API Gateway has no minimum fees or start-up costs. You pay only for the API calls you receive and the amount of data transferred out.
Amazon Affiliate

Amazon Affiliate

"amazon-affiliate-api" is just a thin wrapper around Amazon's API.The intent is to simplify the request process by automatically handling request signatures, performing the HTTP requests, processing the responses and parsing the XML.


The Mailgun API is built on HTTP. Mailgun has published Libraries for various languages. You may use our libraries, or your favorite HTTP/REST library available for your programming language, to make HTTP calls to Mailgun


In order to call this APIs, you need to pass authentication in the form of merchant key and authorization header. Values for both merchant key and Authorization header are available on the Payumoney dashboard. Every merchant has a unique authorization and will be used to authenticate our API, hence should not be shared with anyone.


The Postmark API is built on REST principles. Authenticated users can interact with any of our URIs by using the specified HTTP request method. We recommend using SSL encryption by issuing requests through HTTPS, however it's not enforced.


Normally, users buy and sell items using the eBay online interface, interacting with eBay directly. But with the eBay API, you communicate directly with the eBay database in XML format. By using the API, your application can provide a custom interface, functionality and specialized operations not otherwise afforded by the eBay interface.


Authorize.Net is a United States-based payment gateway service provider allowing merchants to accept credit card and electronic check payments through their website and over an Internet Protocol (IP) connection.


Fillz provides powerful and fully customizable repricing, is massively scalable, and secure, all while costing less than other platforms with similar capability.Since Fillz is owned by Amazon, you can rest assured that it has the technical capability and support to manage clients of any size.


The USPS Web Tool Kit Application Program Interfaces (APIs) allow developers of web-based and shrink-wrapped applications access to the online services of the United States Postal Service (USPS). They provide easy access to shipping information and services for your customers.


Depending on your specific needs, AbeBooks offers many options to help you list & upload your books. With AbeBooks you can use a variety of file formats and software to upload your books, including: Access, Excel and FileMaker Pro.


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