{"ok":true,"version":"v1","endpoint":"POST /api/gnet/partner/mint","auth":"X-GNET-Partner-Key header or apiKey in JSON body","required":["partnerId","beneficiary","grams","network"],"sandboxNote":"Pilot key mints on Ethereum testnet-equivalent sandbox ledger.","partners":[{"id":"pilot-dealer-001","name":"Pilot Gold Dealer","minMintGrams":100,"networks":["Ethereum"],"spreadBps":15}],"sandbox":true}