{"uid":"cap_KZxOp4W448LLX3uMXc19q","slug":"defillama-stablecoin-market-data-via-x402-d6ada190","name":"DeFiLlama Stablecoin Market Data via x402","description":"Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.","url":"https://kr-x402-mvp.kgy5612.workers.dev/api/v1/defillama/stablecoins?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"top":{"type":"integer","maximum":30,"minimum":1,"description":"Top N by supply when no symbols (default 10)"},"symbols":{"type":"string","examples":["USDC,USDT","USDC"],"description":"Comma-separated filter, e.g. USDC,USDT"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"coins":[{"status":"OK","symbol":"USDC","price_usd":0.99948,"kraken_usd":0.9999,"supply_usd":71356496475,"peg_dev_bps":-5.2,"dominance_pct":24.6,"supply_1d_pct":0.089,"supply_7d_pct":-1.74,"base_supply_usd":4100000000}],"alerts":[],"flow_7d":{"pct":-0.72,"usd":-2100000000},"sources":["https://stablecoins.llama.fi","https://api.kraken.com"],"verdict":"ALL_PEGGED","updated_at":"2026-10-29T12:30:00Z","liquidity_trend":"flat","total_usd_stablecoin_supply":290000000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__bcHjpQ7HhKUYmmKtcW-p","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time stablecoin supply, peg deviation, dominance, and flow data for top stablecoins, paid per-call via x402 USDC micropayment on Base.","exampleAgentPrompt":"Check the peg health and 7-day supply flow for USDC and USDT right now — are either of them deviating from their peg, and what's the overall stablecoin market verdict?","exampleUseCases":[{"title":"Pre-trade stablecoin peg check","prompt":"Before I swap $500k into USDC, can you check if USDC is holding its peg and what its 7-day supply trend looks like?"},{"title":"Stablecoin depeg alert monitoring","prompt":"Check the top 10 stablecoins and tell me if any are showing peg deviation above 10 basis points right now."},{"title":"Stablecoin dominance research","prompt":"What's the current market dominance breakdown between USDC and USDT, and which one has been growing supply faster over the past 7 days?"}],"resultDescription":"Returns an array of stablecoin objects each with symbol, USD price, Kraken reference price, peg deviation in basis points, supply in USD, dominance percentage, 1-day and 7-day supply change percentages, and Base chain supply. Also includes aggregate fields: total stablecoin market cap, 7-day net flow (USD and percent), a peg verdict string (e.g. ALL_PEGGED), a liquidity trend label, alert list, data sources, and an updated_at timestamp.","failureModes":["Invalid symbol filter returns empty coins array","top parameter outside 1-30 range rejected by schema validation","x402 payment failure if USDC balance on Base is insufficient","Upstream DeFiLlama or Kraken API unavailability causes stale or missing data","Rate limiting if x402 payment not properly attached"],"whenToPreferThis":"Choose this endpoint when an AI agent needs real-time stablecoin peg health, supply trends, and dominance data without managing API keys — ideal for trading agents, risk monitors, and DeFi automation that can pay per-call in USDC via x402 on Base. Prefer over free alternatives when you need aggregated multi-source data (DeFiLlama + Kraken) with a clear peg verdict and Base chain supply breakdown in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:14.684Z","isFirstParty":false,"canonicalSlug":"defillama-stablecoin-market-data-via-x402-d6ada190"}