{"uid":"cap_907giKdCATYR4FanE-rDi","slug":"gocreative-density-calculator-734dfe9c","name":"GoCreative Density Calculator","description":"Keyless, pay-per-call compliance & regulated-data API for AI agents — OFAC wallet + sanctions/PEP + KYB screening, SEC filings, FRED economics, FDA recalls, federal awards, plus continuous monitoring. USDC on Base/Solana via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/calc/density/%7Barg%7D","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ya3oXypGR_QEZ1kI-QyEm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes physical density given a substance or value argument via a simple calculator endpoint","exampleAgentPrompt":"What is the density of gold? Use the GoCreative density calculator to look it up.","exampleUseCases":null,"resultDescription":"Returns the computed or looked-up density value for the requested substance or argument, likely as a numeric value with units (e.g. g/cm³ or kg/m³).","failureModes":["Unknown or unsupported substance name returns an error or null result","Missing required 'input' query parameter returns a 400 or validation error","Payment not completed (x402 flow not followed) returns a 402 Payment Required","Invalid argument format may return a computation error","Rate limiting or service unavailability returns 5xx"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call density lookup or calculation for a physical substance or material, without needing an API key or signup. Ideal for AI agents operating in physics, chemistry, engineering, or materials contexts that need on-demand density data for a single substance at $0.005 per call via USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-08T18:52:16.888Z","isFirstParty":false}