{"tag":"history-facts","purchasable":true,"availability":"available","description":"History Fact of the day","description_source":"provider-signed","providers":[{"address":"0x0bEfB4060d30356Cf405D97E155292EA429AB4D9","capabilities":["history-facts"],"prices":{"history-facts":0.1},"price_per_call":null,"price_usdc":0.1,"stake":"0","stake_usdc":0.0,"completed_jobs":2,"disputed_jobs":0,"reputation":28,"reputation_raw":null,"reputation_basis":"on-chain Settled events for this payout address (volume-shrunk; not dispute-adjusted)","settled_volume_usdc":0.2,"last_settled_block":47316710,"unrated":false,"status":"active","registered_at":1790825953,"endpoint":"https://x402-app.railhead.network/x402/history-facts","rail":"x402","trust_note":"self-announced x402 producer; 2 settlement(s) verified on-chain for this payout address"}],"provider_count":1,"min_price_usdc":0.1,"environment":{"status":"public-beta","network":{"name":"Base Sepolia","chain_id":84532,"mainnet":false},"settlement":{"asset":"test USDC","real_value":false,"token":"0x036CbD53842c5426634e7929541eC2318f3dCF7e"},"production_intent":{"network":{"name":"Base","chain_id":8453},"settlement":{"asset":"USDC"},"gated_on":"a paid audit of the frozen contracts"},"fee":{"railhead_percent":2,"paid_by":"the provider, out of the call price"}},"purchase":{"providers":"https://api.railhead.network/x402/providers?capability=history-facts","how":"POST the provider's own endpoint; it answers HTTP 402 with a payment challenge"},"block":17}