{"uid":"cap_rto0rCMqo7w3BhrqOeUmj","slug":"paul-graham-researcher-semantic-retrieval-endpoint-e48698cb","name":"Paul Graham Researcher — Semantic Retrieval Endpoint","description":"Search Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve grounded packets (graded claims, quotes, evidence with citations). POST a JSON body { query, limit? (<=100), packetTypes? }. Flat micro-price per query.","url":"https://paulgraham.researcher.now/v1/x402/entities/paul-graham/retrieve","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","maximum":100,"minimum":1,"description":"Maximum packets to return (default 20, matching the route default)."},"query":{"type":"string","maxLength":1000,"minLength":1,"description":"Semantic + lexical search query over Paul Graham's source corpus."},"packetTypes":{"type":"array","items":{"type":"string","maxLength":80},"maxItems":20,"description":"Optional filter by packet type, e.g. claim, quote, fact."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"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":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_wWHXEVFP5QJK0ur3Ff4pE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches Paul Graham's complete corpus (essays, talks, interviews, X posts) by semantic + lexical query and returns grounded claim/quote/evidence packets with citations","exampleAgentPrompt":"Search Paul Graham's complete corpus — his essays, talks, and posts — for what he says about founder burnout and give me up to 10 grounded claim or quote packets with their source citations.","exampleUseCases":[{"title":"Startup advice fact-checking","prompt":"I'm writing an article about early-stage startup advice. Can you search Paul Graham's essays and talks for what he actually said about working with co-founders, and pull me 15 grounded quotes or claims with citations so I can verify each one?"},{"title":"Investor pitch research","prompt":"I'm prepping for a YC interview. Search Paul Graham's full corpus for his views on what makes a great startup idea and return up to 20 claim packets — I want the actual cited evidence, not a summary."},{"title":"Content curation for a newsletter","prompt":"I'm putting together a newsletter on programming languages. Pull up to 10 packets from Paul Graham's essays and X posts specifically about Lisp or language design — quotes and facts only please, with sources."}],"resultDescription":"Returns an array of grounded evidence packets, each containing a typed item (claim, quote, or fact), the verbatim or paraphrased text grounded to Paul Graham's corpus, and citation metadata pointing to the specific source (essay title, talk, interview, or X post). Up to 100 packets per call, defaulting to 20.","failureModes":["Empty results if the query is too narrow or uses terms not present in the corpus","Limit parameter exceeding 100 returns a validation error","Missing required 'query' field returns a 400-level schema validation error","Payment failure or insufficient USDC balance blocks the request via x402 protocol","packetTypes filter with unrecognized type strings may return zero matching packets"],"whenToPreferThis":"Use this endpoint when you need source-grounded, citable evidence from Paul Graham's actual writings rather than a generative summary. It is the right choice when accuracy and citation provenance matter — e.g. fact-checking, research, journalism, or building applications that must attribute claims to specific Paul Graham works. Prefer it over asking a general LLM, which may hallucinate quotes or misattribute sources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:32:57.780Z","isFirstParty":false}