{"uid":"cap_HIX4-8QL_oy23bNngBoEA","slug":"carbon-cashmere-kaspa-block-lookup-api-64c94e7c","name":"Carbon & Cashmere Kaspa Block Lookup API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/kaspa-derivatives/blocks/%7Bblock_hash%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"parents":{"count":5,"selected":"..."},"tx_count":58,"daa_score":436119742,"block_hash":"213f5a47...","blue_score":434240142,"is_chain_block":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/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_2_63fHV5i8miQvDRkSyD9","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":"Retrieves detailed metadata for a specific Kaspa blockchain block by its hash, including parent info, transaction count, DAA score, blue score, and chain status.","exampleAgentPrompt":"Can you pull up the block details for Kaspa block hash 213f5a47... — I need the transaction count, DAA score, blue score, parent count, and whether it's a chain block.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing: the block hash, number of parent blocks and selected parent, transaction count (tx_count), DAA score, blue score, and a boolean indicating whether the block is a chain block (is_chain_block).","failureModes":["Invalid or malformed block_hash returns a 4xx error","Non-existent block hash returns not found error","Kaspa node unavailability may cause 5xx errors","Unprocessed or very recent blocks may not yet be indexed","Incorrect URL encoding of block_hash path parameter causes routing failure"],"whenToPreferThis":"Use this endpoint when you need on-chain metadata for a specific Kaspa block by its hash — particularly when you need DAA score, blue score, parent block structure, or chain block status. Prefer this over general crypto market data endpoints when the query is block-level rather than price or signal-level.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T18:52:18.910Z","isFirstParty":false}