{"optional":true,"services_remain_free":true,"provider":"NOWPayments","x402":{"enabled":true,"provider":"PayAI","protocol":"x402 v2","method":"POST","route":"/donations/x402?amount_usd=1.00","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x24F6A3F57549520cB3b2D1C691d2933Aecfa62EB","currency":"USDC on Base","minimum_usdc":"0.01","maximum_usdc":"500","mcp_tool":"prepare_x402_donation","instructions":"Choose your donation amount. POST with no payment to get HTTP 402 and PAYMENT-REQUIRED. Your x402-capable wallet signs only within its authorized budget, then retries the identical URL/body with PAYMENT-SIGNATURE. PAYMENT-RESPONSE carries the settlement receipt. On a timeout or HTTP 409, reuse the identical signature and request; never sign a replacement automatically. This is optional and never unlocks or pays for a service."},"message":"Finding this useful? Support the work behind Vino & Views.","method":"POST","route":"/donations/agent-checkout","mcp_tool":"prepare_donation","input_schema":{"properties":{"amount_usd":{"anyOf":[{"maximum":500.0,"minimum":1.0,"type":"number"},{"pattern":"^(?!^[-+.]*$)[+-]?0*\\d*\\.?\\d{0,2}0*$","type":"string"}],"title":"Amount Usd"},"request_id":{"format":"uuid","title":"Request Id","type":"string"},"pay_currency":{"anyOf":[{"enum":["usdcbase","usdtbsc","sol"],"type":"string"},{"type":"null"}],"default":null,"title":"Pay Currency"}},"required":["amount_usd","request_id"],"title":"AgentDonationRequest","type":"object"},"currency_options":[{"pay_currency":"usdcbase","network":"Base mainnet (USDC)"},{"pay_currency":"usdtbsc","network":"BNB Smart Chain mainnet (USDT)"},{"pay_currency":"sol","network":"Solana mainnet (native SOL)"}],"availability":"Currency availability and network minimums are checked with NOWPayments when preparing payment instructions.","instructions":"Contribute only within your operator's authorized donation budget. Reuse the same request_id and inputs on retries. Omit pay_currency for a hosted checkout; choose one for a payment address, exact amount and network. This tool prepares instructions; your own wallet must authorize and send the donation. Services require no donation."}