{"uid":"cap_PbO_Cb5o9O3pXBc5jTY_i","slug":"x402-toolbox-roi-calculator-351301e0","name":"x402-toolbox ROI Calculator","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/math/roi-calculator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IVwk28D0-q6Qps_dN_eE_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes return on investment (ROI) given financial inputs, returning a deterministic result via a pay-per-call x402 micropayment model.","exampleAgentPrompt":"Can you calculate the ROI for an investment where I put in $5,000 and got back $7,500?","exampleUseCases":[{"title":"Marketing campaign profitability check","prompt":"We spent $12,000 on a marketing campaign and generated $18,500 in revenue from it — can you calculate the ROI for me?"},{"title":"Real estate investment return","prompt":"I bought a property for $200,000 and sold it for $250,000. What was my return on investment?"},{"title":"Startup funding evaluation","prompt":"Our startup raised $500,000 and returned $1,200,000 to investors. Can you calculate the ROI percentage so we can report it to our backers?"}],"resultDescription":"Returns a JSON object with ok: true and paid: true along with the computed ROI result, typically expressed as a percentage or ratio based on the provided financial inputs.","failureModes":["Missing or malformed schema input returns an error or empty result","Invalid numeric values (e.g. zero initial investment) may cause division-by-zero errors","Payment failure via x402 protocol returns a 402 response requiring valid USDC payment on Base","Malformed query parameters may return a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a quick, deterministic ROI calculation without signup or API key management, and you can pay $0.001 USDC per call via x402 on Base. Ideal for AI agents that need autonomous financial computation without credential overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:52.795Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-roi-calculator-351301e0"}