{"service":"Domain Name Proof","operator":"Active Life Hub LLC","unit":"one issued, signed domain-control proof","amount":"0.019","currency":"USDC","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x881D52ec47832f8497231C38b1FB6309aC762144","payment":{"protocol":"x402","x402_version":2,"scheme":"exact","facilitator":"Coinbase CDP"},"charged_when":"Only after the challenge is found by the verification check; the paid request re-checks, settles, and returns the signed proof in the same response.","free":["creating challenges","status checks","verification attempts that do not find the challenge","proof retrieval","proof validation","discovery documents and verification keys"],"pricing_version":"dnp-cost-plus-2026-09-29-v1","pricing_rule":"measured variable cost per issued proof × 3, rounded up to 0.001 USDC, minimum 0.005 USDC","cost_multiplier":3,"minimum_transaction_usdc":"0.005","minimum_floor_applied":false,"estimated_variable_cost_usd":0.006189678,"gross_margin":0.6742,"cost_components_usd":{"compute":0.000512478,"dns":0,"database":0.004625,"storage":0.0000112,"transfer":0.000041,"payment":0.001,"other":0},"explanation":"One price per issued proof, fixed before payment: the measured variable cost of one proof (checks including unpaid propagation retries, compute, a full database wake window, storage, transfer and the x402 settlement fee) × 3, rounded up to 0.001 USDC, with a 0.005 USDC minimum. Checks that fail are free; you pay only when the challenge is found and a signed proof is issued.","refunds":"A payment is settled only when a proof is issued in the same request. If settlement fails, nothing is charged. See /terms."}