{"uid":"cap_qM3DQfqw8GX4NMQFAZGDI","slug":"bittensor-subnet-registration-lookup-api-b32b3701","name":"Bittensor Subnet Registration Lookup API","description":"Exact EVM address, calldata, Uniswap V2/V3 and impermanent-loss math. Pay per call in USDC on Base via x402.","url":"https://golf-evm-math.x402-evm-math.workers.dev/bittensor/subnet?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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"subnet":{"uids":256,"netuid":1,"burn_tao":0.0036,"max_uids":256,"prune_bar_incentive":0},"network":"bittensor-finney"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0_-UeMODb9Kn545Gzm6bz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns registration burn cost in TAO, free slot count, max UIDs, and prune-bar incentive threshold for a single Bittensor subnet identified by netuid.","exampleAgentPrompt":"What's the current registration burn cost in TAO and how many free slots are left on Bittensor subnet 1 right now?","exampleUseCases":[{"title":"Registration cost check before joining subnet","prompt":"Before I register a miner, can you look up the current TAO burn cost and free slot count for Bittensor subnet 18 so I know if it's worth registering now?"},{"title":"Monitor prune risk on target subnet","prompt":"What is the prune bar incentive for Bittensor netuid 25? I want to know how at risk a low-performing miner would be of getting pruned."},{"title":"Compare subnet saturation for slot hunting","prompt":"Check Bittensor subnet 37 — how many UIDs are filled versus the max, and what's the registration burn right now? I'm looking for an open subnet to join cheaply."}],"resultDescription":"Returns a JSON object containing the subnet's netuid, current number of registered UIDs, maximum UID capacity, registration burn cost in TAO (burn_tao), the prune bar incentive threshold, and the network name (bittensor-finney).","failureModes":["Invalid or nonexistent netuid returns an error or empty response","Network connectivity issues to Bittensor Finney may cause timeout","Missing required netuid query parameter results in a 400-level error","Stale data if the Bittensor chain state hasn't been recently indexed"],"whenToPreferThis":"Use this endpoint when you need fast, per-subnet registration intelligence for a specific Bittensor subnet — particularly the burn cost, slot availability, and prune risk — without querying all subnets. Prefer this over the all-subnets endpoint when you already know the netuid and want lower latency and lower cost per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:34:22.759Z","isFirstParty":false,"canonicalSlug":"bittensor-subnet-registration-lookup-api-b32b3701"}