{"uid":"cap_KiIGr5kF_jh2_q8_zpjXP","slug":"wolfram-alpha-spoken-answer-via-locus-x402-8b7ffaab","name":"Wolfram|Alpha Spoken Answer via Locus x402","description":"Computational knowledge engine — math, science, geography, history, nutrition, finance, and more. Get answers as text, spoken audio, LLM-optimized data, or full structured results.","url":"https://wolframalpha.x402.paywithlocus.com/wolframalpha/spoken?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"i":{"type":"string"},"units":{"type":"string"},"timeout":{"type":"number"}}},"responseSchema":{"type":"json","example":{"data":{},"payment":{"scheme":"exact","settledUsdc":"0.001000","authorizedMaxUsdc":"0.001000"},"request":{"id":"00000000-0000-4000-8000-000000000000","statusUrl":"/requests/00000000-0000-4000-8000-000000000000"},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.055","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":"$0.055/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.055","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.055","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oWFuB7jQWLY6yx_ku9jPk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.055","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Sends a natural language query to Wolfram|Alpha and returns the answer as a spoken/audio-optimized text string, paid per-call via x402 micropayment.","exampleAgentPrompt":"Ask Wolfram|Alpha what the spoken answer is to 'how many calories are in 200 grams of brown rice' and give me the result in metric units.","exampleUseCases":[{"title":"Real-time nutrition fact lookup","prompt":"How many calories and grams of protein are in one cup of cooked quinoa? Give me the answer in metric units."},{"title":"Live math problem solving","prompt":"What is the spoken answer for the integral of x squared times e to the x, from 0 to 2?"},{"title":"Geography and distance calculation","prompt":"What is the straight-line distance from London to Sydney in kilometers? Use metric units."}],"resultDescription":"Returns a JSON object containing a 'data' field with the spoken-form answer text optimized for voice or LLM consumption, along with payment settlement details (settled and authorized USDC amounts) and a unique request ID with a status URL for tracking.","failureModes":["Query is ambiguous or unrecognized by Wolfram|Alpha — returns empty or no-result data","Timeout exceeded — if computation exceeds the specified timeout seconds, may return partial or no result","Payment failure — x402 micropayment not authorized, request rejected before processing","Invalid units value — only 'metric' or 'imperial' accepted; other strings may cause unexpected behavior","Network/service unavailability — upstream Wolfram|Alpha API unreachable"],"whenToPreferThis":"Choose this endpoint when you need a concise, spoken-optimized answer to a factual or computational query — especially for voice assistants, audio pipelines, or LLM reasoning chains where a brief natural-language answer string is preferable over raw structured data. Prefer this over the full/structured Wolfram|Alpha endpoints when you only need the spoken answer text and want minimal payload size. Use the x402 micropayment model when you need pay-per-query billing without API key subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:31:51.603Z","isFirstParty":false,"canonicalSlug":"wolfram-alpha-spoken-answer-via-locus-x402-8b7ffaab"}