# OnChainToday > Marketplace for premium domains and @trust names. Crypto checkout settles to listed per-chain addresses. ## Canonical host - https://onchaintoday.com - workers.dev is fallback only ## For agents - Catalog JSON: GET https://onchaintoday.com/api/catalog - Fields: slug, priceUsd, chains[] { chain, ticker, address } - Pay the address for the selected chain. Handles are not settlement. - Feedback: POST https://onchaintoday.com/api/feedback JSON { kind, page, message, email?, clientKind? } - Referral attribution: ?ref=CODE on any public URL - Agent commerce: https://onchaintoday.com/.well-known/agent-commerce.json - Human overview: https://onchaintoday.com/for-agents - Header: x-oct-client-kind (agent|human) is set by the edge; agents may also send x-oct-client: agent ## Settlement - Primary: OCT_ADDR_* network addresses returned in chains[].address - OnChainToday@trust is optional identity only — never the sole pay instruction - Trust Wallet no longer resolves @trust in-app (Sep 2026) ## Docs - FAQ: https://onchaintoday.com/faq - Terms: https://onchaintoday.com/legal/terms