{"uid":"cap_ycG5e-7U5XP674jn5Ed8B","slug":"bjj-practitioner-lineage-lookup-ac5cebd8","name":"BJJ Practitioner Lineage Lookup","description":"Brazilian Jiu-Jitsu lineage lookup: trace any practitioner's instructor tree back through the Gracie and Maeda lineage to the source. Returns belt rank, academy, professors, and the full lineage chain. x402 pay-per-call on Base USDC. For gym directories, ranking systems, and AI agents verifying instructor credentials and martial-arts provenance.","url":"https://apiwitchcraft.duckdns.org/bjj-lineage","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":["fighter"],"properties":{"fighter":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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":"$0.002/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_EbxRRY5d7XioD2O63O8yc","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 the martial arts lineage chain for a named Brazilian Jiu-Jitsu (BJJ) fighter or practitioner.","exampleAgentPrompt":"Can you look up the BJJ lineage for Gordon Ryan — I want to know who trained him and the full instructor chain going back through his lineage?","exampleUseCases":[{"title":"Verify competitor lineage claim","prompt":"I just saw a BJJ competitor claim they're a Gracie lineage black belt — can you trace their full instructor chain and confirm how far back the Gracie connection actually goes?"},{"title":"Research instructor relationships for profile","prompt":"I'm writing a profile on Marcelo Garcia and I want to include his full BJJ lineage — who trained him, who trained his instructor, and so on all the way back through the family tree."},{"title":"Compare lineage of two grapplers","prompt":"Can you pull up the BJJ lineage for both Roger Gracie and Andre Galvao? I want to see where their instructor chains overlap or diverge."}],"resultDescription":"A structured response showing the practitioner's lineage chain, including instructor names, their instructors, and potentially belt levels or notable lineage milestones tracing back through the BJJ family tree.","failureModes":["Fighter name not found in database — returns empty or 404-style response","Ambiguous fighter name with multiple matches — may return partial or incorrect lineage","Misspelled name input — no results returned","Obscure or local practitioners not in the dataset — no lineage data available","Payment not processed — 402 Payment Required response"],"whenToPreferThis":"Use this endpoint when you need to look up or trace the martial arts lineage of a Brazilian Jiu-Jitsu practitioner by name. Ideal for BJJ research, competitor profiling, understanding instructor relationships, or verifying lineage claims in the grappling community.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:42:16.797Z","isFirstParty":false}