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Synapse Marine Tide API
x402
Synapse Marine Tide API is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).
Returns the current marine tide water level, station, and timestamp for a location near San Francisco using NOAA-style tidal data.
Price / call$0.002
Success—
StatusUnknown
How this service works
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.
Output
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}).
Example use cases
Boating departure tide check
“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.”
Coastal flooding risk monitor
“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?”
Marine research data logging
“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.”
Technical details
Endpoint
GEThttps://anibalb.duckdns.org/x402/marine-tide?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"lat": 37.8063,
"lon": -122.4659,
"name": "San Francisco",
"time": "2026-10-24 13:24",
"station": "9414290",
"waterLevel_m": 1.067
}
}Tags
x402
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