# Overview

Papaya Subscription Protocol is a streaming payment protocol that enables real-time token streaming between users. The protocol supports subscription-based payments, project management, and advanced features like BySig operations and sponsored calls

### Key Features

* **Streaming Payments**: Real-time token streaming between users
* **Subscription Management**: Create and manage payment subscriptions
* **Project Management**: Multi-project support with custom settings
* **Advanced Operations**: BySig, sponsored calls, and permit operations
* **Liquidation System**: Automated liquidation for underfunded accounts

### Documentation Structure

This documentation is organized into the following sections:

* **Core Functions**: Basic deposit, withdraw, subscription, and payment operations
* **Project Management**: Project settings and ownership management
* **Advanced Features**: BySig operations, sponsored calls, and permit functionality
* **View Functions**: Read-only functions for querying contract state
* **Events**: Contract events for monitoring state changes
* **Errors**: Error codes and their meanings

### Support

For questions, issues or feature requests, please open an issue on our GitHub repository or contact us at [Papaya Community](https://t.me/PapayaCommunity/26037).

### Jump right in

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h4><i class="fa-screenpal">:screenpal:</i></h4></td><td><strong>Core Functions</strong></td><td></td><td></td><td><a href="/pages/96xSfZHzFuFwSio5BWsT">/pages/96xSfZHzFuFwSio5BWsT</a></td></tr><tr><td><h4><i class="fa-bars-progress">:bars-progress:</i></h4></td><td><strong>Project Management</strong></td><td></td><td></td><td><a href="/pages/V4aKduKLhyRBnncu9r1Y">/pages/V4aKduKLhyRBnncu9r1Y</a></td></tr><tr><td><h4><i class="fa-graduation-cap">:graduation-cap:</i></h4></td><td><strong>Advanced Features</strong></td><td></td><td></td><td><a href="/pages/qSFEmRDc6F7WOS0VU3N5">/pages/qSFEmRDc6F7WOS0VU3N5</a></td></tr><tr><td><h4><i class="fa-telescope">:telescope:</i></h4></td><td><strong>View Functions</strong></td><td></td><td></td><td><a href="/pages/vOTHcODvZZlvqbejtMd9">/pages/vOTHcODvZZlvqbejtMd9</a></td></tr><tr><td><h4><i class="fa-calendar-exclamation">:calendar-exclamation:</i></h4></td><td><strong>Events</strong></td><td></td><td></td><td><a href="/pages/LOQswz7PR8lNRpaqTaNR">/pages/LOQswz7PR8lNRpaqTaNR</a></td></tr><tr><td><h4><i class="fa-triangle-exclamation">:triangle-exclamation:</i></h4></td><td><strong>Errors</strong></td><td></td><td></td><td><a href="/pages/EBbHRGiYH6TXHBLnlaUJ">/pages/EBbHRGiYH6TXHBLnlaUJ</a></td></tr></tbody></table>


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