{"uid":"cap_UK3qPycTEZjeM-CYKmlJF","slug":"free-audiobooks-by-subject-americans-f578cb83","name":"Free Audiobooks by Subject: Americans","description":"Free audiobooks on \"Americans\": public-domain recordings (LibriVox and Internet Archive audio) whose subject tags match, with runtime, language and mp3 links, most downloaded first. Add words to narrow. $0.01 per page of 20.","url":"https://library.intel.rallylive.ca/library/audiobooks/subject/americans?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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_TcKNnXJAo0ygpLP_1WPLC","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":"Returns a paginated list of free public-domain audiobooks tagged with the subject 'Americans', including runtime, language, and MP3 links, sorted by most downloaded.","exampleAgentPrompt":"Can you find me free public-domain audiobooks tagged with the subject 'Americans'? I want the most downloaded ones with their runtimes and MP3 links — maybe narrow it down to biographies.","exampleUseCases":[{"title":"American history audiobook research","prompt":"Pull up the most downloaded free audiobooks on the subject of Americans — I'm researching early American historical figures and want public-domain recordings with MP3 links I can listen to."},{"title":"Language learner audio library browsing","prompt":"Find me free English-language audiobooks about Americans from the public domain — I want to see runtimes and download links so I can pick something for listening practice."},{"title":"Narrowing topic to founding fathers","prompt":"Search the free audiobooks tagged 'Americans' and narrow it down to founding fathers — I need the top results sorted by most downloaded with their MP3 links."}],"resultDescription":"A paginated list (20 per page) of public-domain audiobook records tagged 'Americans', each including title, runtime, language, MP3 download URL(s), and download count, sorted by most downloaded first.","failureModes":["No results returned if keyword filter is too narrow or misspelled","Payment failure if USDC balance is insufficient for the $0.01 per-page fee","Empty result set if no audiobooks match the combined subject and keyword filters","Pagination beyond available results returns empty or fewer records"],"whenToPreferThis":"Choose this endpoint when you need to discover or list free, public-domain audiobooks specifically tagged with the 'Americans' subject from LibriVox and Internet Archive, especially when you want popularity-ranked results with direct MP3 links. Prefer this over general web search when you need structured metadata (runtime, language, download links) rather than raw search results.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:43:50.091Z","isFirstParty":false,"canonicalSlug":"free-audiobooks-by-subject-americans-f578cb83"}