{"uid":"cap_goD5RCiCORL25o5vADbJB","slug":"btc-ltc-halving-countdown-5675f2ac","name":"BTC/LTC Halving Countdown","description":"BTC or LTC halving countdown: blocks remaining and the estimated date of the next halving. Use for cycle-timing narratives and supply-shock context. Estimate (block-time based), not an exact timestamp.","url":"https://x402.swaphunt.dev/v1/market/halving","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","properties":{"coin":{"type":"string","default":"BTC","description":"Coin (BTC or LTC)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_LyG2QIdpxTSVdc0Mygp2d","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 the number of blocks remaining and estimated date of the next Bitcoin or Litecoin halving event.","exampleAgentPrompt":"How many blocks are left until the next Bitcoin halving, and what's the estimated date? I want to use this for a supply-shock timing narrative.","exampleUseCases":null,"resultDescription":"Returns the number of blocks remaining until the next halving event and a block-time-based estimated date for when it will occur, for the specified coin (BTC or LTC). This is an estimate, not an exact timestamp.","failureModes":["Unsupported coin value (anything other than BTC or LTC) may return an error or default response","Estimated date may drift as actual block times vary from the assumed average","Payment failure (402) if USDC balance is insufficient","Network timeout if upstream block data is unavailable"],"whenToPreferThis":"Use this endpoint when you need a quick, lightweight halving countdown for Bitcoin or Litecoin — specifically the blocks remaining and an estimated calendar date — for use in cycle-timing narratives, supply-shock context, or crypto market analysis. Prefer this over manual block explorer lookups when you need a structured, programmatic response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:49:30.066Z","isFirstParty":false}