{"uid":"cap_k3lKWMfISVGhVXNUhUoQW","slug":"api-carbon-cashmere-de-7f8bb4b9","name":"Bittensor Subnet Burn-Cost History API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/bittensor/burn-history","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"hours":168,"stats":{"avg_tao":751.3,"max_tao":820,"min_tao":680,"change_pct":8.2},"series":[{"ts":"2026-04-11T00:00:00Z","burn_cost_tao":680.5}],"current_burn_cost_tao":793.11}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"hours":"168"}}},"response":{"_truncated":true,"_originalSize":75381}},"exampleRequest":{"hours":"168"},"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_DWuOgnbtvI1CJ1kuN2u0-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a time series of Bittensor subnet-creation burn costs (TAO) over the last N hours, with rolling min/max/avg and percent-change statistics.","exampleAgentPrompt":"Show me the Bittensor subnet-creation burn cost trend over the last 168 hours — I want to see the time series plus rolling min, max, average, and percent change so I can gauge whether demand for new subnets is heating up or cooling down.","exampleUseCases":[{"title":"Week-long subnet burn cost review","prompt":"Pull the Bittensor subnet registration burn cost data for the past 7 days and give me the rolling min, max, average, and percent change — I want to know if the cost to spin up a new subnet has been climbing or dropping lately."},{"title":"Monthly demand trend for subnets","prompt":"Fetch the TAO burn cost time series for the last 720 hours so I can see the full month of subnet creation fee history, including the rolling average and overall percent change — I'm trying to figure out whether investor appetite for new Bittensor subnets is growing or fading."},{"title":"Short-term burn cost spike check","prompt":"Give me the Bittensor subnet burn cost trend for the last 24 hours with min, max, average, and percent change — I noticed some unusual TAO activity and want to see if the subnet registration fee spiked or if things look normal."}],"resultDescription":"A time series array of TAO burn-cost data points over the requested window (up to 720 hours), plus summary statistics: rolling minimum, maximum, average, and percentage change — enabling trend analysis of subnet registration demand on the Bittensor network.","failureModes":["Invalid 'hours' parameter (outside 1-720 range) returns a 400 error","Upstream Subtensor node unavailability may cause 503 or stale data","Payment failure (x402) if USDC balance is insufficient","Response may be truncated for very large windows (e.g. 720 hours) due to payload size"],"whenToPreferThis":"Use this endpoint when you need historical burn-cost trend data for Bittensor subnet creation, specifically time-series data with statistical aggregates (min/max/avg/change_pct). Prefer this over general Bittensor metagraph endpoints when the focus is on economic demand signals for subnet registration rather than neuron-level or validator data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:02:54.559Z","isFirstParty":false}