Blink

This plugin allows you to connect your Blink wallet to your BTCPay and all funds go directly into a custodial Blink wallet.
We used Blink on multiple occasions and worked closely with the Blink team to onboard merchants to custodial lightning in an easy way without merchants having to manage a node.
Here are some case studies we did:

https://blog.btcpayserver.org/case-study-btcprague/
https://blog.btcpayserver.org/case-study-bhb24-nostriga/