← Catalog

OnWater — API status & change history

Determine if a lat/lon is on water or land

Last checked 2026-09-18 00:42 UTC — HTTP 200, 991 ms. Availability over 30 days of data: 100.00%.

391 ms · 2026-07-31 00:02 UTC380 ms · 2026-08-01 01:57 UTC346 ms · 2026-08-03 04:24 UTC359 ms · 2026-08-04 08:36 UTC436 ms · 2026-08-05 21:04 UTC472 ms · 2026-08-06 21:31 UTC393 ms · 2026-08-08 02:25 UTC404 ms · 2026-08-10 17:07 UTC356 ms · 2026-08-11 19:45 UTC371 ms · 2026-08-12 20:05 UTC105 ms · 2026-08-13 22:21 UTC374 ms · 2026-08-14 22:59 UTC378 ms · 2026-08-18 09:23 UTC399 ms · 2026-08-19 23:56 UTC273 ms · 2026-08-21 06:01 UTC174 ms · 2026-08-22 10:26 UTC44 ms · 2026-08-24 11:12 UTC233 ms · 2026-08-25 21:28 UTC237 ms · 2026-08-27 05:14 UTC980 ms · 2026-08-28 17:23 UTC927 ms · 2026-08-31 08:32 UTC1119 ms · 2026-09-01 12:43 UTC451 ms · 2026-09-03 00:48 UTC457 ms · 2026-09-05 00:55 UTC390 ms · 2026-09-09 03:21 UTC457 ms · 2026-09-12 02:20 UTC1065 ms · 2026-09-14 00:09 UTC1089 ms · 2026-09-15 03:27 UTC1352 ms · 2026-09-17 00:03 UTC991 ms · 2026-09-18 00:42 UTC
latency · last 30 checks

Auth: none · HTTPS: yes · Docs

Monitor this API — free, unlimited catalog subscriptions.

Shape history

1 confirmed · 1 signal on record. A change confirms after it survives three consecutive polls.

Related

Geocoding APIs · GeographQL · keycdn IP Location Finder · US ZipCode · Latest graveyard