{"machine":"bmi-calc","slot":"S170","title":"BMI calculator","how_to_call":"POST https://innernetcorp.com/machines/bmi-calc with Content-Type: application/json","price_usd":"$0.003","currencies":["USDC","EURC"],"payment":"x402: send the POST without payment to receive a 402 with signed requirements; pay any option and retry.","input_example":{"weight_kg":70,"height_cm":175},"input_schema":{"type":"object"},"summary":"Body mass index from weight and height (metric or imperial) with WHO category.","catalog":"/catalog"}