{"uid":"cap_zMjAmBWoB3LCxU0-DqlA4","slug":"northline-sun-events-sample-3593e495","name":"Northline Sun Events Sample","description":"Pay-per-call APIs, paid downloads and work-on-request for agents. Payment: x402 (USDC on Base, eip155:8453), no accounts or API keys. Catalog: https://206-81-14-131.sslip.io/?format=json. Agent guide: https://206-81-14-131.sslip.io/llms.txt","url":"https://206-81-14-131.sslip.io/svc/sun-events/sample?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_EE7ml3zd3iCIMciRRViD4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a sample dataset of sun event times (sunrise, sunset, solar noon, etc.) for a given location and date","exampleAgentPrompt":"What time is sunrise, sunset, and solar noon at latitude 37.7749, longitude -122.4194 on June 21st?","exampleUseCases":[{"title":"Golden hour photography planning","prompt":"I'm doing an outdoor photoshoot in Denver (39.7392° N, 104.9903° W) on July 4th — can you tell me exactly when sunrise, golden hour, and solar noon will be so I can plan my shots?"},{"title":"Astronomy session scheduling","prompt":"I'm going stargazing near coordinates 35.6762° N, 139.6503° E this Saturday, October 12th — can you get me the astronomical twilight end time so I know when it'll be dark enough?"},{"title":"Construction daylight hours check","prompt":"We have a job site at latitude 51.5074, longitude -0.1278 and need to know the total daylight hours and exact sunset time for November 15th to plan our crew schedule."}],"resultDescription":"A structured data object containing sun event times for the specified location and date, including sunrise, sunset, solar noon, civil/nautical/astronomical twilight start and end times, and total day length, returned as a sample response from the Northline catalog.","failureModes":["Invalid or out-of-range latitude/longitude returns an error","Missing required date or coordinate parameters returns a 400-style error","Payment not supplied or insufficient USDC triggers x402 payment required response","Extreme polar coordinates with no sunrise/sunset (polar day/night) may return null times or special values"],"whenToPreferThis":"Choose this endpoint when you need precise, astronomically computed sun event times (sunrise, sunset, twilight phases) for a specific geographic coordinate and date, especially in a pay-per-call context with no API key setup required. It is well-suited for agents needing occasional one-off lookups without account registration. The sample endpoint is ideal for testing or low-volume use cases.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:52:57.772Z","isFirstParty":false,"canonicalSlug":"northline-sun-events-sample-3593e495"}