{"uid":"cap_5IISDLMWkNbM8GNJ6aJDu","slug":"foundry-percentage-calculator-7046ba4a","name":"Foundry Percentage Calculator","description":"Percentage calculator: X% of Y, X is what percent of Y, and percent change. Input: '15% of 200' or 'from 80 to 100'.","url":"https://minty-sprout.onrender.com/v1/percentage?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","maxLength":8000,"description":"'15% of 200', '30 of 120' or 'from 80 to 100'"}}},"responseSchema":{"type":"json","example":{"result":30,"question":"15% of 200"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZBSQwD3k3oGEXUlw6fI3z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates percentage problems: X% of Y, X is what percent of Y, and percent change between two values.","exampleAgentPrompt":"What is 15% of 200, and also what percent change is that from 80 to 100?","exampleUseCases":[{"title":"Calculating a sale discount amount","prompt":"If a jacket is originally $299 and it's 35% off, how much will I actually save?"},{"title":"Finding percentage growth between periods","prompt":"Our revenue went from 80,000 to 100,000 last quarter — what's the percentage increase?"},{"title":"Determining what percent one number is of another","prompt":"I got 45 out of 60 on a test — what percentage is that?"}],"resultDescription":"Returns a JSON object with a 'result' field (the numeric answer) and a 'question' field echoing the interpreted calculation, e.g. {\"result\": 30, \"question\": \"15% of 200\"}.","failureModes":["Ambiguous or unparseable input string returns an error or unexpected result","Input exceeding 8000 characters may be rejected","Non-numeric or unrecognized formats may cause parse failures","Edge cases like 0-value denominators (percent of 0) may return Infinity or error"],"whenToPreferThis":"Choose this endpoint when you need quick, reliable percentage arithmetic — including 'X% of Y', 'X is what percent of Y', or percent change calculations — without building the math logic yourself. Ideal for financial, retail, educational, and reporting contexts where a user states a percentage problem in natural language.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T06:57:41.080Z","isFirstParty":false,"canonicalSlug":"foundry-percentage-calculator-7046ba4a"}