{"fees":{"version":"v2","executed_contract":"0.10%","executed_contract_bps":"10","executed_contract_collection":"percentage of the contract's running total of settled value, charged marginally on each payment: E(prior_total + amount) - E(prior_total) with E(V) = floor(V * rate), so a contract pays it in step with what settles and in total floor(total * rate); a renewal continues the running total; volume tiers do not apply; not capped or bracketed; no minimum; never refunded; an offer whose fee_ceiling does not cover the fees due is refused","settlement_pct":"0.50%","tier_credit_per_settlement_max":"100000.00","settlement_brackets":[{"from":"0.00","to":"100000.00","settlement_pct":"0.50%"},{"from":"100000.00","to":"1000000.00","settlement_pct":"0.25%"},{"from":"1000000.00","to":null,"settlement_pct":"0.10%"}],"settlement_bracket_rule":"brackets on the contract's running total of settled value (failed payments excluded), not per payment; each payment pays F_r(prior_total + amount) - F_r(prior_total) where r is the payer's volume tier read at that payment, counting the contract's own earlier payments toward the payer's volume; r prices the first bracket and each later bracket's rate is min(its rate, the previous bracket's effective rate); earlier payments keep what they were charged, so a tier change reprices only the remaining amount; at a constant tier splitting never changes the total; F_r(total) is one floor to whole micro-USDC; no minimum, no cap","settlement_volume_tiers":[{"trailing_volume_from":"0.00","settlement_pct":"0.50%"},{"trailing_volume_from":"10000.00","settlement_pct":"0.40%"},{"trailing_volume_from":"100000.00","settlement_pct":"0.30%"},{"trailing_volume_from":"1000000.00","settlement_pct":"0.20%"}],"volume_window_days":30,"metered_seller_call":"0.00","excess_protocol_api_call":"0.00001","free":"proposal / negotiation / verification within quota"},"usage":null}