{"schema_version":"1.0","request_id":"b321837c-9900-4afe-b351-c951603739d6","product":"stablecoin-supply","status":"completed","data":{"fetched_at":"2026-10-05T18:03:38.462Z","block":26127836,"supply":{"USDC":{"symbol":"USDC","available":true,"supply":49126658825,"delta24h":123945990,"pct24h":0.25,"onchain":true},"USDT":{"symbol":"USDT","available":true,"supply":88303053982,"delta24h":0,"pct24h":0,"onchain":true},"DAI":{"symbol":"DAI","available":true,"supply":4592015334,"delta24h":72340,"pct24h":0,"onchain":true},"USDE":{"symbol":"USDE","available":true,"supply":4937686593,"delta24h":30692420,"pct24h":0.63,"onchain":true},"SDAI":{"symbol":"SDAI","available":true,"supply":139156749,"delta24h":42753,"pct24h":0.03,"onchain":true},"BUIDL":{"symbol":"BUIDL","available":true,"supply":203484149,"delta24h":56993,"pct24h":0.03,"onchain":true}},"unavailable":[],"_trial":{"used":1,"remaining":4,"limit":5,"price_usd":0.02,"continue_hint":"Pay per call via PAYMENT-SIGNATURE (see the 402 manifest), or buy a prepaid starter key: POST /v1/keys/starter ($0.01 -> $0.05 credit)."},"_suggested_actions":[],"_next_recommended_tool":null,"_next_payment_step":{"session":"POST /v1/session (pay $0.05 once -> x-session token, then poll — debits per call, no signing)","prepaid":"POST /v1/keys/starter (pay $0.01 once -> $0.05 credit, then x-api-key — no per-call signing)","networks":8,"entry":"base-gas-oracle $0.001","docs":"/x402-pay.md"}},"provenance":[{"provider":"Ethereum mainnet JSON-RPC","source_id":"ethereum-mainnet-totalSupply"}],"freshness":{"status":"fresh_at_fetch","fetched_at":"2026-10-05T18:03:38.994Z","max_age_seconds":120},"confidence":"high_for_returned_onchain_reads","limitations":["Ethereum mainnet only; this is token contract supply, not a cross-chain aggregate.","The 24h delta uses an approximately 7,200-block historical result; it is not a transaction-level flow ledger.","Unavailable RPC reads are returned explicitly and missing values are not inferred."],"usage":{"entitlement":"configured_placeholder","cost_usd":null,"pricing_status":"placeholder_not_production_x402","query":{"symbol":null,"chain":"ethereum-mainnet","limit":6}}}