pay-per-read khatru relay — a khatru relay, storage: postgres, billing: cashu. WS at /ws.

A khatru Nostr relay that charges 1 msat per event delivered. Top up your connection by sending `["CASHU", ""]` to the WebSocket (V3 and V4 tokens are both accepted). Change is returned as a fresh Cashu V4 (cashuB…) token in a NOTICE frame just before each subscription's EOSE. Min change: 1 msats. Mint: https://mint.pigeonrelay.co.uk.