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Discussion
Are there any implementations of this anywhere?
I think highlighter is using this.
NostrDVM implemented this for DVM subscriptions. Actually not running an instance as this was never considered by any client so far, but working implementation exists.
Highlighter was like six major product pivots ago. I still plan on releasing Honeypot wallet based on this idea as a central place to handle subscription payments (ie like the Apple Cloud Subscriptions app)
Alby Hub subscriptions work based on NWC. The client receives an NWC connection secret with a pay_invoice permission and sends a pay_invoice request to the wallet.
Nice, do you know of any services that use this functionality so I can try it out/look at code?
I don't know any public ones, but basically you'd save the NWC connection secret and pull the money according to your subscription terms (e.g. monthly) using the pay_invoice command:
You could look at ZapPlanner: https://github.com/getAlby/ZapPlanner