{"uid":"cap_dRLMQQgSGHF9Ar2K2YLi_","slug":"proxy-suverse-io-c9f73377","name":"Bitcoin Mempool Stats API","description":"Bitcoin mempool stats real-time. Unconfirmed tx count, total vsize MB, fee histogram, avg sat/vByte, current tip height, next difficulty adjustment estimate with progress %, remaining blocks, avg block time. AI agent BTC timing bot, mempool API, network congestion data.","url":"https://proxy.suverse.io/v1/data/bitcoin-mempool-stats","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{},"response":{"chain":"bitcoin","mempool":{"totalVsize":44546256,"totalFeeSats":11900271,"totalVsizeMb":44.55,"avgSatsPerVbyte":0.27,"unconfirmedTxCount":111241},"tipHeight":953321,"feeHistogram":[[7.0636363,50085],[6.0107565,50088],[5,50997],[4.062827,50096],[3.6285715,52019],[3.3203063,58047],[3.027523,50354],[2.986607,50041],[2.2542372,50795],[2.0214286,50174],[2.0069106,79314],[1.6546763,70354],[1.5755396,51162],[1.2069081,50057],[1.1209877,50892],[1.0935252,56225],[1.0431654,59726],[1.028777,54857],[1.0149813,50192],[1.006993,51716],[1.0048077,50586],[1.0036764,50227],[1.0035886,91648],[1.0032489,91771],[1.002785,54027],[1,74175],[0.79136693,52794],[0.705036,51409],[0.6618705,88032],[0.65467626,96524],[0.60431653,199729],[0.5971223,203079],[0.58992803,172916],[0.5827338,85774],[0.5755396,1646744],[0.53956836,54266],[0.5136276,70913],[0.50359714,118637],[0.4964029,170901],[0.47482014,118057],[0.4676259,215897],[0.4532374,304949],[0.42446044,237945],[0.41843972,65376],[0.40779853,84439],[0.40018556,54375],[0.40010524,51514],[0.40005586,65367],[0.40004277,54531],[0.40001166,67409]],"difficultyAdjustment":{"estimatedChange":-10.524794826277406,"progressPercent":87.74801587301587,"remainingBlocks":247,"remainingTimeMs":165725885,"nextRetargetHeight":953568,"avgBlockTimeSeconds":671,"estimatedRetargetMs":1781403232885,"previousRetargetChange":1.7190077664198355}}},"exampleRequest":{},"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/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_AM-HjgCqeIWWLHtl88PZW","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 real-time Bitcoin mempool statistics including unconfirmed transaction count, total vsize in MB, fee histogram, average sats/vbyte, current block height, and next difficulty adjustment estimate.","exampleAgentPrompt":"What are the current Bitcoin mempool stats — how many unconfirmed transactions are there, what's the average fee in sats per vbyte, and when is the next difficulty adjustment?","exampleUseCases":null,"resultDescription":"Returns a structured JSON object with: count of unconfirmed transactions, total mempool vsize in MB, fee histogram (distribution of transactions across fee rate buckets), average sats per vbyte, current tip block height, and next difficulty adjustment details including estimated percent progress, blocks remaining, and average block time.","failureModes":["Upstream data source unavailable — returns 5xx error","Payment not provided or invalid — returns 402 Payment Required","Rate limit exceeded — returns 429 Too Many Requests","Temporary network latency causing stale or delayed mempool data"],"whenToPreferThis":"Use this endpoint when an AI agent needs to make real-time decisions about Bitcoin transaction fee rates, assess network congestion before broadcasting a transaction, or track difficulty adjustment cycles. Prefer this over general blockchain explorers when you need a single structured response covering fee histograms, mempool size, and difficulty adjustment together in one call at low cost ($0.005 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:53:09.884Z","isFirstParty":false}