{"instructions":"Every unpaid call returns HTTP 402 with a canonical x402 v2 challenge: send the EXACT USDC amount from that response's `accepts[0].amount` (prices per route: $0.003, $0.005, $0.100, USDC on Base, chain 8453) to 0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f for each request (no free tier: every unpaid call returns HTTP 402). Retry with the standard X-PAYMENT header (x402 v2, settled via the Coinbase x402 facilitator) or X-Payment-Proof: base64url(JSON({payer, transaction_hash, amount_usdc})).","ownershipProofs":["0xd4cdA900839c0feD4374EE37EA0dbe8E4C6fd08f"],"resources":[{"description":"Real-time market activity and daily aggregated stats for Base DeFi.","name":"Kristo \u2014 Market Stats","url":"https://kristo-intelligence-api.onrender.com/api/stats"},{"description":"Verified on-chain sales history from the Base ecosystem with amounts and timestamps.","name":"Kristo \u2014 On-Chain Sales","url":"https://kristo-intelligence-api.onrender.com/api/sales"},{"description":"Telegram sales bot status: heartbeat, subscribers and processed commands.","name":"Kristo \u2014 Bot Status","url":"https://kristo-intelligence-api.onrender.com/api/bot-status"},{"description":"Live cross-DEX arbitrage spreads on Base, refreshed every 60 seconds.","name":"Kristo \u2014 Arbitrage Radar","url":"https://kristo-intelligence-api.onrender.com/api/arb/opportunities"},{"description":"Live DeFi trading signal: action, confidence and reasoning for Ethereum (ETH)/ONDO/KAITO/DEGEN.","name":"Kristo \u2014 Trading Signal","url":"https://kristo-intelligence-api.onrender.com/api/v1/signal"},{"description":"USDC whale transfers >= $5M on Base with labeled counterparties.","name":"Kristo \u2014 Whale Flow","url":"https://kristo-intelligence-api.onrender.com/api/v1/whaleflow"},{"description":"Audit any USDC receiver on Base before paying it: distinct payers, repeat payers, concentration, probes vs customers.","name":"Kristo \u2014 Seller Verification","url":"https://kristo-intelligence-api.onrender.com/api/v1/verify-seller"}],"version":1}