Payment Bridge
nano402xmr402l402Uniform pay/charge router. Any agent pays via any sovereign rail through one contract. GREX validates the capability token at the edge.
GET /adapters · POST /charge · POST /pay
Paid Research
nano402The ecosystem's first consumable. POST a question → 402 challenge → satisfy → receive a ResearchReport. Default rail: nano402 (zero-fee, self-owned).
POST /research · GET /health
Rails
nano402xmr402l402x402 (testnet)nano402 = sovereign ECDSA, no chain. xmr402 = Monero proof-of-payment. l402 = Lightning LSAT. x402 = HTTP-native stablecoin (Cloudflare/Coinbase facilitator).
adapters: l402, nano402, xmr402, x402-*
Access model: public catalog (this page). Services are GREX-gated — a capability token {identity, tier, adapters} unlocks the rail your tier permits. Lower tiers cannot escalate (npc → nano402 only; jack → +l402+xmr402; joker/creator → all rails).