{"uid":"cap_FG_3xX-J_iGRuz04gsWFE","slug":"stablecoin-monitor-supply-price-peg-deviation-b4d3c14f","name":"Stablecoin Monitor — Supply, Price & Peg Deviation","description":"Stablecoin monitor for agents: supply, price and peg deviation for every tracked stablecoin, plus a de-peg alert list. Paid per call via x402 (USDC on Base).","url":"https://stablecoins.x402utils.workers.dev/v1/top?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"top":{"type":"string","description":"how many (1-100)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"stablecoins":[{"symbol":"USDT"}],"total_circulating_usd":300000000000}},"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_eRgZt2X7D25tSdKh-wHhI","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 supply, price, and peg deviation data for tracked stablecoins, plus a de-peg alert list, paid per call via x402.","exampleAgentPrompt":"Show me the top 50 stablecoins right now — I want to see their circulating supply, current price, peg deviation, and whether any are flagged as de-pegged.","exampleUseCases":[{"title":"DeFi risk dashboard peg check","prompt":"Pull the top 100 stablecoins and tell me which ones are currently showing a de-peg alert or have a price deviation of more than 0.5% from their peg."},{"title":"Total stablecoin market size snapshot","prompt":"What's the total USD value of all stablecoins in circulation right now, and what are the top 10 by supply?"},{"title":"Automated de-peg alert for trading bot","prompt":"Check the stablecoin monitor for any coins in the top 20 that are currently flagged as de-pegged and give me their symbols, prices, and how far off their peg they are."}],"resultDescription":"A JSON object containing an array of stablecoin records (each with symbol, circulating supply, price, and peg deviation) along with a de-peg alert list and the total circulating USD value across all tracked stablecoins.","failureModes":["Payment not provided or invalid x402 USDC payment on Base — returns 402 Payment Required","Invalid 'top' parameter value (outside 1-100 range) — may return 400 Bad Request","Upstream data source unavailable — may return 503 or stale data","Rate limiting if payment is not properly processed"],"whenToPreferThis":"Choose this endpoint when you need real-time stablecoin supply, price, and peg deviation data in a single call, especially when you want a de-peg alert list included. Prefer this over general crypto market APIs when stablecoin-specific monitoring and peg health are the primary concern, and when you are operating in a pay-per-call agent context using x402 micropayments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:37:17.160Z","isFirstParty":false,"canonicalSlug":"stablecoin-monitor-supply-price-peg-deviation-b4d3c14f"}