{"uid":"cap_EnXpqHKtMWZNeVX7J9gNQ","slug":"chemical-element-lookup-2fd3a37b","name":"Chemical Element Lookup","description":"Periodic table element lookup by symbol or atomic number, returning name, atomic mass, and category. Covers the most commonly referenced elements.","url":"https://x402.outpimp.com/chemicalElementLookup","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"symbol":{"type":"string","description":"Element symbol, e.g. \"Au\" (case-insensitive). Provide this or atomicNumber."},"atomicNumber":{"type":"number","description":"Atomic number, e.g. 79. Provide this or symbol."}}},"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_4Y15fuuAalfE957MBZFJb","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 the name, atomic mass, and category of a periodic table element given its symbol or atomic number.","exampleAgentPrompt":"What's the atomic mass and category of gold? Look it up by its symbol Au.","exampleUseCases":[{"title":"Element identification by symbol","prompt":"I need to know the full name, atomic mass, and chemical category for the element with symbol Fe — can you look that up for me?"},{"title":"Atomic number to element name","prompt":"What element has atomic number 92, and what category does it belong to?"},{"title":"Science homework element properties","prompt":"Can you pull up the periodic table data for Carbon — its atomic mass and whether it's a metal, nonmetal, or something else?"}],"resultDescription":"Returns the element's full name (e.g. 'Gold'), atomic mass (e.g. 196.967), and category (e.g. 'transition metal') for the queried symbol or atomic number.","failureModes":["Unknown or unsupported element symbol returns an error or empty result","Providing neither symbol nor atomicNumber causes a validation error","Very rare or recently named elements may not be covered","Malformed symbol input (e.g. numeric string when symbol expected) returns an error"],"whenToPreferThis":"Choose this endpoint when an agent needs quick, structured periodic table data — element name, atomic mass, and category — for a known symbol or atomic number, without needing full elemental property sheets or isotope data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:44:52.494Z","isFirstParty":false}