{"machine":"discount-chain","slot":"S111","title":"Stacked discount calculator","how_to_call":"POST https://innernetcorp.com/machines/discount-chain with Content-Type: application/json","price_usd":"$0.001","currencies":["USDC","EURC"],"payment":"x402: send the POST without payment to receive a 402 with signed requirements; pay any option and retry.","input_example":{"price":1000,"discounts":[20,10],"tax_percent":18},"input_schema":{"type":"object"},"summary":"Apply a chain of successive discounts and/or a tax to a price (e.g. 20% then 10% then +18% VAT) - the true final price.","catalog":"/catalog"}