{"uid":"cap_JOZo8X34wAzIFB5VHLpLK","slug":"glassnode-median-spent-output-lifespan-msol-fff7b8a9","name":"Glassnode Median Spent Output Lifespan (MSOL)","description":"Median Spent Output Lifespan (MSOL) — Median Spent Output Lifespan (MSOL) is the median age (in days) of spent transaction outputs. Data by Glassnode.","url":"https://x402.glassnode.com/v1/metrics/indicators/msol","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","required":["a"],"properties":{"a":{"type":"string","description":"Asset symbol, e.g. BTC, ETH"},"c":{"enum":["native"],"type":"string","description":"Currency for denominated values, e.g. usd, native"},"f":{"enum":["csv","json"],"type":"string","description":"Response format: json or csv"},"i":{"enum":["24h"],"type":"string","description":"Time interval / resolution, e.g. 24h, 1w, 1month"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"array","items":{"type":"object","properties":{"t":{"type":"number"},"v":{"type":"number"}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uRFt9O1927_8fZz1yyw2i","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the median age in days of spent Bitcoin (or other crypto asset) transaction outputs over a given time interval.","exampleAgentPrompt":"Can you pull the Glassnode Median Spent Output Lifespan (MSOL) data for BTC in daily (24h) intervals and return it as JSON?","exampleUseCases":null,"resultDescription":"A time-series array of objects, each with a Unix timestamp (t) and the median age in days of spent transaction outputs (v) for the requested asset and interval.","failureModes":["Missing required asset symbol parameter 'a' returns a 400 error","Invalid asset symbol (e.g. unsupported token) returns an error or empty data","Unsupported interval value returns a validation error","Payment not completed or insufficient USDC balance results in a 402 Payment Required response","Rate limiting or quota exceeded may result in 429 errors"],"whenToPreferThis":"Use this endpoint when you need on-chain behavioral data about how long Bitcoin (or other supported assets) outputs are held before being spent — useful for gauging HODLer behavior, market cycle positioning, or constructing composite on-chain indicators. Prefer this over price or volume APIs when the analytical focus is coin lifespan and spending behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:58:52.377Z","isFirstParty":false}