{"uid":"cap_1_1Ntl4a0D-1k8dp9Zxa4","slug":"x402-forgemesh-io-wavelength-frequency-converter-d7566e2b","name":"x402.forgemesh.io Wavelength-Frequency Converter","description":"Wave physics API: convert between light wavelength (nm), frequency (Hz), and photon energy (joules and eV). Uses exact physical constants.","url":"https://x402.forgemesh.io/wavelength-frequency","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_6NUXeMmPM4fgNoHFBPiiJ","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 light wavelength (nm), frequency (Hz), and photon energy (joules and eV) using exact physical constants.","exampleAgentPrompt":"What's the frequency and photon energy (in both joules and eV) for light with a wavelength of 532 nm?","exampleUseCases":null,"resultDescription":"Returns the computed counterpart values: given a wavelength the agent receives frequency in Hz plus photon energy in joules and eV; given a frequency the agent receives wavelength in nm plus photon energy in both units — all calculated using exact physical constants.","failureModes":["Missing both inputs (neither wavelength_nm nor frequency_hz provided) returns an error","Non-numeric string values for wavelength or frequency cause a validation error","Zero or negative wavelength/frequency values are physically invalid and may return an error","Extremely large or small values outside physical range may produce overflow or underflow"],"whenToPreferThis":"Choose this endpoint when you need precise, physics-accurate conversions between light wavelength, frequency, and photon energy using exact constants (speed of light, Planck's constant). Ideal for optics, spectroscopy, photonics, and any scientific calculation involving electromagnetic radiation in the optical spectrum.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:03:21.465Z","isFirstParty":false}