api.geoprimitives.dev

Give it a latitude and longitude and it answers with what the nautical chart says about the water there: the depth range of the charted depth area containing the position, the nearest charted sounding and how far away it is, and the chart's own zone of confidence for that area. Parameters go in the query string: this is a GET, there is no body. NOT FOR NAVIGATION, stated first because it is a condition of using the source. This is derived from NOAA Electronic Navigational Charts and redistribute

Endpoint

https://api.geoprimitives.dev/v1/marine/depth

Price

$0.005 / call

Settles via

cdp

Category

—

Last seen live

Tue, 08 Sep 2026 05:23:37 UTC

Last probed

Tue, 08 Sep 2026 05:23:37 UTC

First indexed

Tue, 08 Sep 2026 05:22:23 UTC

Sources

cdp-x402

Probe history

Last 1 probes, newest on the right. 100% answered with a payment challenge.

JSON: /api/v1/services/api.geoprimitives.dev. Own this service? Update the listing.