{"uid":"cap_f1nSiBm83q25ACvR_nmF2","slug":"stablecoin-supply-chain-breakdown-api-cd6ae54d","name":"Stablecoin Supply & Chain Breakdown API","description":"Stablecoin supply data. Returns circulating supply for stablecoins broken down across chains via DefiLlama, filterable by peg type and by collateral mechanism, so you can compare fiat-backed against crypto-backed and algorithmic stablecoins. For stablecoin market share, depeg watch, and chain-level supply tracking. Keyless.","url":"https://api.kadec0.xyz/v1/stablecoins","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":{"q":{"type":"string","description":"name/symbol substring filter"},"pegType":{"type":"string","description":"e.g. peggedUSD|peggedEUR"},"maxItems":{"type":"string","default":"25"},"mechanism":{"type":"string","description":"fiat-backed|crypto-backed|algorithmic"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6r9M1XUkzrHHjeP8S9YNy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns circulating supply, peg mechanism, peg currency, and per-chain breakdown for stablecoins via DefiLlama","exampleAgentPrompt":"Can you pull the circulating supply of all fiat-backed USD stablecoins — like USDC and USDT — and show me how their supply is broken down across different chains? Filter for peggedUSD mechanism and show me the top 25.","exampleUseCases":null,"resultDescription":"Returns a list of stablecoins with their circulating supply totals, peg currency, peg mechanism (fiat-backed, crypto-backed, or algorithmic), and a per-chain supply breakdown sourced from DefiLlama.","failureModes":["No stablecoins match the provided name/symbol filter — empty result set returned","Invalid pegType or mechanism enum value results in a 400 bad request","DefiLlama upstream data unavailable causes a 502 or 503 error","maxItems set to 0 or negative integer causes a 400 validation error","Payment not processed correctly results in a 402 payment required response"],"whenToPreferThis":"Use this endpoint when you need stablecoin-specific supply data with peg mechanism and per-chain breakdowns, especially when filtering by peg type (USD, EUR) or mechanism (fiat-backed, algorithmic, crypto-backed). Prefer this over generic DeFi TVL endpoints when the question is specifically about stablecoin circulating supply rather than protocol TVL.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:43:52.814Z","isFirstParty":false}