{"uid":"cap_Ik7aU0vZUiqy__ly5rgPL","slug":"penny-press-small-change-essay-3164ef60","name":"Penny Press — Small Change Essay","description":"A repository of essays on freedom, truth, and the structures around us, in machine-readable form. Free for humans. Pennies for machines.","url":"https://www.pennypress.org/essays/small-change?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"slug":"small-change","type":"fragment","price":"$0.01","title":"Small Change","format":"markdown","content":"Spare thoughts are like spare change. They just lie there until you need them. Sometimes they create clutter, annoyance even. But they often come in handy when least expected. To…","description":"A fragment about the economy of thought.","publication":"Scribed"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_iuDgc7aLQb8MD9L9AV-Zt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the 'Small Change' essay fragment from Penny Press, a pay-per-read repository of essays on freedom, truth, and structure, in machine-readable markdown format.","exampleAgentPrompt":"Fetch me the 'Small Change' essay from Penny Press — it's a short fragment about spare thoughts and the economy of ideas, available in markdown.","exampleUseCases":[{"title":"Reading a philosophical micro-essay","prompt":"Can you get me the Small Change essay from Penny Press? I want to read the full markdown content of that fragment about how spare thoughts are like spare change."},{"title":"Ingesting paid essay content for summarization","prompt":"Fetch the Small Change piece from pennypress.org so I can summarize its argument about the economy of thought for my newsletter."},{"title":"Embedding essay content in a research agent","prompt":"Pull the full text of the Small Change essay from Penny Press — I need the markdown body and its description so I can index it alongside other philosophy fragments."}],"resultDescription":"Returns a JSON object containing the essay slug ('small-change'), type ('fragment'), price ('$0.01'), title ('Small Change'), format ('markdown'), a markdown-formatted content body, a short description, and the publication name ('Scribed').","failureModes":["Payment not provided or insufficient — endpoint returns 402 Payment Required","Essay slug not found — returns 404 or empty response","Network/server error — returns 5xx with no content","Malformed request — returns 400 if query parameters are invalid"],"whenToPreferThis":"Choose this endpoint when you specifically want the 'Small Change' essay fragment from Penny Press in machine-readable markdown, particularly in contexts where an AI agent needs to retrieve micropayment-gated philosophical writing. It is purpose-built for programmatic access to this specific essay at a predictable $0.01 USDC cost via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T12:32:39.611Z","isFirstParty":false,"canonicalSlug":"penny-press-small-change-essay-3164ef60"}