This is an AT Protocol Personal Data Server (an atproto PDS).

Host:     pds.alpha.modding.place
DID:      did:web:pds.alpha.modding.place
Software: atproto-pds 0.15.0-rc.7+unknown

Most API routes are under /xrpc/
Account portal:  /account
Health:          /xrpc/_health

Protocol: https://atproto.com