{"success":true,"data":{"storefront":"Sippar dev/agent probe storefront","note":"Machine-payable endpoints. Payment is the gate — no API key, no signup. Wallets stay keyless where Sippar relays (Sippar-managed, with a scoped path to non-custody); paying here uses YOUR OWN wallet on either rail.","termsUrl":"https://sippar.network/api/sippar/sell/terms","payment":{"rails":[{"rail":"tempo-mpp","how":"Call the endpoint with no payment header → 402 + WWW-Authenticate MPP challenge (draft-ryan-httpauth-payment, method \"tempo\", USDC.e, payer-sponsored gas). Retry with Authorization: Payment <credential>."},{"rail":"base-x402","how":"Call the endpoint with no payment header → 402 JSON with paymentRequirements (USDC on Base, chainId 8453). Send the exact USDC amount to payTo, then retry with X-PAYMENT: <txHash>. Each tx hash is accepted once."}]},"products":[{"id":"grounded-search","name":"Grounded Web Search","description":"Live-web grounded answer with source citations (Google Search grounding via Gemini; brokered model fallback). One question in, one sourced answer out.","priceUSD":0.05,"method":"POST","url":"https://sippar.network/api/sippar/sell/grounded-search","input":{"query":"What changed in the x402 ecosystem this week?"}},{"id":"token-intel","name":"Token Market Data","description":"Canonical token market data for a ticker: price, market cap, FDV, liquidity, 24h change + volume with buy/sell split and netflow, launch date, on-chain total supply (Nansen token-screener + on-chain reads; response includes the required \"Powered by Nansen API\" attribution). Neutral facts only — no ratings, no predictions, not investment advice.","priceUSD":0.1,"method":"POST","url":"https://sippar.network/api/sippar/sell/token-intel","input":{"ticker":"BONK"}}]},"timestamp":"2026-07-18T17:45:23.025Z"}