{"uid":"cap_dZN8rZQ3L59JasLLFHIWl","slug":"npb-official-pitcher-rankings-by-season-f1ee6933","name":"NPB Official Pitcher Rankings by Season","description":"Japanese baseball (NPB) official pitcher ranking statistics for a given season. Returns ERA, appearances (登板), wins, losses, saves, holds, IP (投球回), strikeouts (三振), walks (四球), WHIP-related raw counts for all qualified pitchers (規定投球回 met) split by Central League and Pacific League. Source: npb.jp official BIS ranking. Coverage: 2005-2025 (21 seasons). Use cases: NPB fantasy baseball pitcher selection, pitcher matchup analysis, sabermetric research, longitudinal performance comparison, AI baseball analytics agents covering Japanese leagues. Input: :season (YYYY). Output: JSON {season, league, category, source, subleagues:{central:{criteria_note,players[]}, pacific:{...}}}. Pay-per-call $0.005 USDC on Solana mainnet.","url":"https://oracle-api-production-766f.up.railway.app/v1/npb/players/pitchers/:season","method":"POST","headers":{},"bodySchema":{"type":"object","$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"},"pathParams":{"type":"object","required":["season"],"properties":{"season":{"type":"string","pattern":"^\\d{4}$"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4rN92Ia-TGMYFdeOnuubv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns official NPB pitcher ranking statistics for all qualified pitchers in a given season, split by Central League and Pacific League.","exampleAgentPrompt":"Pull the official NPB pitcher rankings for the 2023 season — I want ERA, wins, saves, strikeouts, and innings pitched for all qualified pitchers in both the Central League and Pacific League.","exampleUseCases":[{"title":"Fantasy baseball pitcher draft preparation","prompt":"Get me the 2024 NPB pitcher stats for both leagues so I can compare ERA, wins, and strikeouts to pick my fantasy roster — I need all the qualified pitchers ranked by performance."},{"title":"Sabermetric research on Japanese pitchers","prompt":"I'm analyzing WHIP trends across NPB over the last five years — can you pull the official pitcher rankings for 2020 through 2024 so I can track how strikeout-to-walk ratios have evolved in each league?"},{"title":"Matchup analysis for specific pitcher performance","prompt":"Tell me who led the Pacific League in ERA and saves during 2023, and compare their numbers to the top Central League pitchers in the same stats — I need the official qualified pitcher data to evaluate their strengths."}],"resultDescription":"A JSON object containing the requested season, league category, and source, with two sub-objects for Central League and Pacific League each listing all qualified pitchers (規定投球回 met) and their full stat lines including ERA, appearances, wins, losses, saves, holds, innings pitched, strikeouts, walks, and WHIP-related raw counts.","failureModes":["Invalid or out-of-range season year (outside 2005-2025) returns an error","No qualified pitchers found for a partial/current season may return empty arrays","Network timeout from upstream npb.jp data source","Missing or malformed :season parameter in request path","Payment not confirmed on Solana mainnet resulting in 402 rejection"],"whenToPreferThis":"Use this endpoint when you need official, structured NPB pitcher ranking data for a full season split by league, especially for fantasy baseball pitcher selection, sabermetric research, or building AI baseball analytics agents focused on Japanese leagues. Covers 21 seasons (2005-2025) from the official NPB BIS source.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:07.500Z","isFirstParty":false}