{"machine":"duration-humanize","slot":"S39","title":"Humanize duration","how_to_call":"POST https://innernetcorp.com/machines/duration-humanize 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":{"seconds":187500},"input_schema":{"type":"object"},"summary":"Turn a duration in seconds or milliseconds into human-readable text like '2 days 3 hours 10 minutes'.","catalog":"/catalog"}