{"uid":"cap_JvRUD1jvLJhV_KdIu5uEI","slug":"glassnode-mempool-transaction-count-by-fee-rate-distribution-3a7d13f6","name":"Glassnode Mempool Transaction Count by Fee Rate Distribution","description":"Mempool Number of Transactions by Relative Fee (Sat / vByte) — The total number of transactions waiting in the mempool, broken down into relative-fee (Sat / vByte) cohorts. Data by Glassnode.","url":"https://x402.glassnode.com/v1/metrics/mempool/txs_count_distribution","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":{"enum":["BTC"],"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":{"o":{"type":"object"},"t":{"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__BOZg1k3BUY04o67qG-gb","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 total number of Bitcoin transactions waiting in the mempool, broken down by relative-fee cohorts measured in Satoshis per virtual byte (sat/vByte).","exampleAgentPrompt":"Can you pull the current Bitcoin mempool transaction count broken down by sat/vByte fee cohorts from Glassnode, using a 24h interval in JSON format?","exampleUseCases":null,"resultDescription":"Returns a time-series array of objects where each entry contains a timestamp (t) and an object (o) with the count of mempool transactions distributed across sat/vByte fee-rate cohorts, showing how many transactions are waiting at each fee level.","failureModes":["Missing required 'a' (asset) query parameter returns a 400 bad request","Unsupported asset symbol (only 'BTC' is accepted) returns an error","Invalid interval or format enum value returns a 400 error","Payment not provided or insufficient USDC results in a 402 Payment Required response","Service downtime or upstream Glassnode data unavailability returns a 503"],"whenToPreferThis":"Use this endpoint when you need granular insight into Bitcoin mempool congestion segmented by fee rate — specifically for understanding how transactions are distributed across sat/vByte tiers. Prefer this over generic mempool size endpoints when you need fee-level cohort breakdowns rather than aggregate counts, and over block explorer APIs when you need structured, time-series data with historical coverage from Glassnode's on-chain analytics platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:07:42.855Z","isFirstParty":false}