List devices (Partner API)

Retrieves a payment link by its ID with real-time payment availability status. **Key Information:** - Returns the same structure as the create endpoint - `canReceivePayments` field reflects current link status - Use this endpoint to check if a link can accept new payments before directing customers **Authentication:** - Requires API key headers `X-API-KEY` and `X-API-KEY-ID` **Access Control:** - Only returns payment links that belong to the authenticated business **Use Cases:** - Verify link availability before sharing with customers - Check payment link status in your application - Validate single-use links before reuse