{"uid":"cap_pJymJb-0nYJPA_s0fnu7f","slug":"paul-graham-ai-persona-chat-f4f90e30","name":"Paul Graham AI Persona Chat","description":"Ask Paul Graham — 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. Answers in Paul Graham's voice, grounded in and cited to the corpus. POST a JSON body { message, depth? (quick|deep), sessionId? }. Flat price by depth: $0.25 quick, $1.00 deep. The answer is returned at assistantMessage.content, citations at assistantMessage.citations. Persona page: https://researcher.now/e/paul-graham","url":"https://paulgraham.persona.energy/v1/x402/entities/paul-graham/chat","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_LjrLDMmPqlGNhENUeVZNp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Chat with a source-grounded AI persona of Paul Graham, receiving answers in his voice with citations from his essays, talks, interviews, and posts","exampleAgentPrompt":"Ask Paul Graham — in a quick response — what he thinks about the biggest mistake first-time founders make when pitching investors, and make sure to include citations from his essays.","exampleUseCases":[{"title":"Startup founder pitch feedback","prompt":"Ask Paul Graham what the most common mistakes are when a technical founder pitches to VCs — I want a deep answer with citations from his actual essays and talks."},{"title":"Programming language philosophy inquiry","prompt":"What does Paul Graham actually think about Lisp and why he believes it makes programmers more productive? Give me a quick answer in his own voice with sources."},{"title":"YC application strategy advice","prompt":"I'm applying to Y Combinator — can you ask Paul Graham what he looks for in a winning application and what kills most applications? I want a deep response with citations."}],"resultDescription":"A JSON response containing an assistantMessage object with a content field (Paul Graham's answer in his voice) and a citations field (references to specific essays, talks, interviews, or posts from the 13,000+ source corpus that ground the answer).","failureModes":["Message field missing or malformed — returns 400 error","Invalid depth value (not 'quick' or 'deep') — may default or reject","Payment not included or insufficient USDC — x402 payment required failure","Session ID not found or expired — session context lost","Corpus gap: topic not covered in PG's public writing — answer may be thin or disclaimed","Rate limiting or overload — service unavailable"],"whenToPreferThis":"Choose this endpoint when you need answers specifically grounded in Paul Graham's published writing, with citations you can verify — not a generic LLM impersonation. Ideal when the user wants Paul Graham's actual documented views on startups, programming, or essays, not a hallucinated persona. The citation-backed corpus makes it far more reliable than prompting a general model to 'act like Paul Graham.' Use 'quick' depth for fast lookups and 'deep' for nuanced, multi-source synthesis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:33:25.342Z","isFirstParty":false}