{"uid":"cap_pXqXuERsucwlOCco4iA0g","slug":"solana-next-slot-leaders-f1c7323b","name":"Solana Next Slot Leaders","description":"The next Solana slot leaders from getSlotLeaders, merged into 4-slot leader windows: validator identity, vote account, active stake, commission, first/last slot and seconds until each window starts. Route time-critical transactions to the upcoming leaders. ?limit=1..25.","url":"https://mintintel.35-171-220-195.sslip.io/v1/sol/next-leaders?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":{"limit":{"type":"integer","maximum":25,"minimum":1,"description":"number of upcoming leader windows (default 10)"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["currentSlot","leaders"],"properties":{"leaders":{"type":"array"},"currentSlot":{"type":"integer"}}}}}}},"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_OTJadSr4Anq3LdxDN1bSj","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 upcoming Solana slot leader windows (validator identity, vote account, stake, commission, timing) merged into 4-slot groups so transactions can be routed to the next block producers.","exampleAgentPrompt":"Show me the next 5 Solana slot leader windows — I need to know each validator's identity, their active stake, commission, and how many seconds until each window starts so I can route my transaction to the right leader.","exampleUseCases":[{"title":"Time-critical transaction routing","prompt":"I need to submit a high-priority Solana transaction — can you pull the next 10 slot leader windows so I know which validator to target and how many seconds I have before each window opens?"},{"title":"Validator commission monitoring","prompt":"Give me the next 15 upcoming Solana leader windows and show me each validator's commission rate and active stake so I can see which upcoming leaders are most attractive."},{"title":"MEV or priority fee strategy","prompt":"Pull the next 8 Solana slot leader windows for me — I want to see which validators are coming up, when their windows start, and how much stake they have so I can decide where to send my transaction for the best chance of inclusion."}],"resultDescription":"A JSON object containing the current slot number and an array of upcoming 4-slot leader windows, each with: validator identity public key, vote account address, active stake (lamports), commission percentage, first and last slot of the window, and seconds until the window begins.","failureModes":["limit out of range (must be 1–25) returns a 400 validation error","RPC node unavailable returns a 502 or timeout","stale data if the Solana RPC is lagging behind the chain tip","payment not attached or insufficient USDC returns a 402 payment required error"],"whenToPreferThis":"Choose this endpoint when you need real-time, pre-aggregated Solana slot leader data in 4-slot windows with validator metadata (stake, commission, vote account) already merged in — saving you multiple raw RPC calls. Prefer it over raw getSlotLeaders when you need timing (seconds until window) and validator details in one shot for transaction routing or scheduling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:41.597Z","isFirstParty":false,"canonicalSlug":"solana-next-slot-leaders-f1c7323b"}