402 is getting implemented - the web wants payment see
Native pay-per-access is here:
ngx_l402:
Add lightning & cashu paywalls to NGINX
ecash-402-client:
Unlock content with ecash

Error 402 - Payment Required
GitHub
GitHub - DhananjayPurohit/ngx_l402: nginx module for L402 authentication to enable Lightning Network-based API monetization
nginx module for L402 authentication to enable Lightning Network-based API monetization - DhananjayPurohit/ngx_l402
GitHub
GitHub - Routstr/otrta-client: routstr client is a privacy-focused payment gateway that enables anonymous micropayments for AI services using Cashu e-cash
routstr client is a privacy-focused payment gateway that enables anonymous micropayments for AI services using Cashu e-cash - Routstr/otrta-client