{"uid":"cap_rUWLv0YApJgzcOY42LjwM","slug":"forgemesh-photon-energy-converter-2ac219ff","name":"Forgemesh Photon Energy Converter","description":"Photon energy API: convert between electromagnetic wavelength (nm), frequency (Hz), and photon energy (joules and electron-volts) using exact physical constants (c, Planck's h). Give a wavelength or a frequency and get the full set. For optics, spectroscopy, physics, and astronomy agents.","url":"https://x402.forgemesh.io/photon-energy","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"frequency_hz":{"type":"string"},"wavelength_nm":{"type":"string"}}},"responseSchema":{"type":"json","example":{"frequency_hz":599584916000000,"photon_energy_ev":2.479685}},"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_Izgb2jsqCrL-p_83-Em2Y","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":"Converts between electromagnetic wavelength (nm), frequency (Hz), photon energy in joules, and photon energy in electron-volts using exact physical constants","exampleAgentPrompt":"What is the photon energy in joules and electron-volts for 532 nm green laser light, and what frequency does that correspond to?","exampleUseCases":null,"resultDescription":"Returns the complete set of electromagnetic properties for the given input: wavelength in nm, frequency in Hz, photon energy in joules, and photon energy in electron-volts, all computed using exact physical constants (speed of light c and Planck's constant h).","failureModes":["Missing both frequency_hz and wavelength_nm — endpoint requires at least one input","Non-numeric string values for wavelength or frequency result in computation error","Wavelength or frequency values of zero or negative numbers are physically invalid","Extremely large or small values outside practical electromagnetic spectrum range may cause precision issues"],"whenToPreferThis":"Use this endpoint when you need to convert between wavelength, frequency, and photon energy with exact physical constants — ideal for optics, spectroscopy, physics simulations, or astronomy agents that need precise quantum energy calculations rather than approximate lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:04:10.437Z","isFirstParty":false}