{"uid":"cap_tWSHbdI63bCbgqj37g1Jd","slug":"bittensor-subtensor-block-metrics-b558167c","name":"Bittensor Subtensor Block Metrics","description":"Per-block extrinsic and event counts for the last N blocks (1-10) on the Bittensor (Subtensor) Substrate blockchain using direct JSON-RPC.","url":"https://api.chainmarket-api.workers.dev/api/crypto/subtensor-block-metrics?utm_source=zero.xyz","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":[],"properties":{"blocks":{"type":"integer","maximum":10,"minimum":1,"description":"Number of recent finalized blocks to inspect (1-10, default 5)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xFfTE-WM4QowSrHkpu-Uo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns per-block extrinsic and event counts for the last 1–10 finalized blocks on the Bittensor (Subtensor) Substrate blockchain via direct JSON-RPC.","exampleAgentPrompt":"Can you pull the extrinsic and event counts for the last 8 finalized blocks on the Bittensor Subtensor blockchain?","exampleUseCases":[{"title":"Real-time Bittensor network activity check","prompt":"What's the current activity level on the Bittensor chain? Give me extrinsic and event counts for the last 10 blocks."},{"title":"Bittensor throughput monitoring alert","prompt":"Check the last 5 Bittensor Subtensor blocks and tell me if any of them had unusually high extrinsic counts — I want to spot network congestion."},{"title":"Bittensor block data for dashboard","prompt":"Fetch the per-block extrinsic and event counts for the last 3 finalized Bittensor blocks so I can update my chain metrics dashboard."}],"resultDescription":"An array of data for each requested finalized Bittensor block, including block height, block hash, extrinsic count, and event count — sourced directly from the Subtensor JSON-RPC node.","failureModes":["Invalid blocks parameter (must be 1–10) returns a 400 or validation error","Node unavailable or RPC timeout causes a 500 error","Blocks parameter missing defaults to 5 but malformed types may cause errors","Upstream Subtensor node syncing lag may return stale or incomplete block data"],"whenToPreferThis":"Use this endpoint when you need lightweight, per-block extrinsic and event counts from the Bittensor Subtensor chain without running your own node. Ideal for monitoring chain activity, detecting congestion, or feeding dashboards. Prefer this over full block explorers when you only need counts rather than full transaction details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T12:31:23.493Z","isFirstParty":false,"canonicalSlug":"bittensor-subtensor-block-metrics-b558167c"}