> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0xmeta.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Background workers

## Background Workers & Queue Architecture

```mermaid theme={null}
flowchart LR
    API[API Layer] --> Core[Payment Orchestrator]
    Core --> Postgres[(PostgreSQL)]
    Core --> Redis[(Redis Cache)]
    Core --> Queue[(Webhook Queue)]
    Worker --> Queue
    Worker --> Postgres
```