# Introduction

In the evolving landscape of the healthcare industry, seamless interactions between pharmacies and wholesalers are essential for efficient operations. Our B2B API facilitates streamlined wholesale sales and returns. This API's provides robust functionality for processing wholesale orders and handling wholesale returns, ensuring accurate records of all transactions.. By using this B2B solution, pharmacies can optimize their operations, allowing them to focus on delivering exceptional care to their patients.

**Here is the Postman Collection of APIs**

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## Sequence Diagram

<figure><img src="/files/uGijNCw4JPuPwq6Dtd6P" alt=""><figcaption><p><mark style="background-color:yellow;"><strong><code>This sequence diagram illustrates the flow of interactions between the Pharmacy, Third Party Integration, and eVitalRx API for managing customer information, wholesale sales orders, and returns. It covers the processes of adding/updating customers, saving and viewing sales orders (including drafts), and managing sales returns, ensuring seamless B2B transactions for efficient wholesale operations in the healthcare industry.</code></strong></mark></p></figcaption></figure>

**Watch a video.**

{% embed url="<https://www.loom.com/share/ae1e2822b95a4941934576ad4a57b002>" %}


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