{"machine":"hijri-convert","slot":"S163","title":"Hijri ↔ Gregorian date converter","how_to_call":"POST https://innernetcorp.com/machines/hijri-convert 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":{"gregorian":"2026-07-21"},"input_schema":{"type":"object"},"summary":"Convert dates between the Islamic Hijri calendar and Gregorian, both directions - tabular algorithm, ±1 day of official moon sightings.","catalog":"/catalog"}