> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paymentoptions.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API DOCs Update log

> Detailed log of API endpoint updates, new features, and improvements.

## **Overview**

The API Update Logs page documents changes, improvements, and updates specifically to the Payment Options API endpoints. This log helps developers stay informed about new endpoints, enhanced functionality, and modifications to existing API behaviors, ensuring smooth integration and usage.

***

### **API Version History**

<Accordion title="Version 2.0 - Released on 2025-04-10">
  #### Key Updates

  * Introduced **Purchase API (v2)** and **Authorization API (v2)** for improved structure and future scalability.
  * Enhanced support for evolving integration needs and upcoming compliance standards.

  > **Notice**:\
  > **Purchase API (v1)** and **Authorization API (v1)** are scheduled for deprecation.\
  > Please migrate to v2 for all future integrations.
</Accordion>

<Accordion title="Version 1.0 - Initial Release">
  #### Key Features

  * Core API endpoints for fundamental payment processing functionality.

  * Initial support for essential payment methods (e.g., credit card transactions).

  * Basic authentication setup, including security protocols to safeguard API access.

  * Standard error handling with HTTP response codes for reliable troubleshooting.
</Accordion>

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## **Future Updates**

Each new version will be added as a separate accordion section here, highlighting key improvements and endpoint-specific changes to help developers stay updated and adapt to new features seamlessly.

***

## **Additional Resources**

<CardGroup>
  <Card title="Revision & Enhancement" icon="chart-line" href="/logs/revisions">
    Overview of all recent system revisions and enhancements, beyond API-specific changes.
  </Card>

  <Card title="Gateway Release Notes" icon="file" href="/logs/releasenotes">
    Summarized release notes, with feature additions and bug fixes for each version of the gateway.
  </Card>
</CardGroup>

<Note>
  This page will be continuously updated to reflect the latest changes to API endpoints, new functionality, and improvements. For a broader view of system changes, visit the **Revision & Enhancement** and **Gateway Release Notes** sections.
</Note>