{"uid":"cap_7lPBC9i0kuH5LEgpM-ROG","slug":"synapse-marine-tide-api-9e90a804","name":"Synapse Marine Tide API","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/marine-tide?utm_source=zero.xyz","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"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"lat":37.8063,"lon":-122.4659,"name":"San Francisco","time":"2026-10-24 13:24","station":"9414290","waterLevel_m":1.067}},"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_Xj61ciWkO-3PgtPODevcH","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":"Returns the current marine tide water level, station, and timestamp for a location near San Francisco using NOAA-style tidal data.","exampleAgentPrompt":"What's the current tide water level near San Francisco right now? I need the tidal height in meters and which station it's coming from.","exampleUseCases":[{"title":"Boating departure tide check","prompt":"Before I launch my kayak near San Francisco Bay, can you check the current tide level and tell me whether it's a good time to head out? I want the water level in meters and when the reading was taken."},{"title":"Coastal flooding risk monitor","prompt":"I'm watching for high water conditions near San Francisco — can you pull the current marine tide water level reading and timestamp so I can see if it's approaching flood stage?"},{"title":"Marine research data logging","prompt":"Log the current tidal water level reading from the San Francisco tide station for my coastal study — I need the station ID, coordinates, water level in meters, and the exact time of the measurement."}],"resultDescription":"Returns a JSON object with the latitude, longitude, location name (e.g. San Francisco), ISO-like timestamp, NOAA station ID, and current water level in meters (e.g. {lat: 37.8063, lon: -122.4659, name: 'San Francisco', time: '2026-10-24 13:24', station: '9414290', waterLevel_m: 1.067}).","failureModes":["Upstream tidal data source unavailable — returns error or stale data","Payment not processed (402 response) if USDC payment header is missing or insufficient","Station data temporarily unavailable due to NOAA outage","Network timeout from underlying data provider"],"whenToPreferThis":"Choose this endpoint when you need real-time or near-real-time tidal water level data for the San Francisco Bay area without requiring an API key or account — payment is per-call in USDC via x402. Prefer this over NOAA direct APIs when operating in a crypto-native or agent-based payment environment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:49.734Z","isFirstParty":false,"canonicalSlug":"synapse-marine-tide-api-9e90a804"}