Skip to content
GET /v1/float

Float-or-sink analysis

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/buoyancy-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/buoyancy-api/v1/float" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/buoyancy-api/v1/float", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/buoyancy-api/v1/float");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/buoyancy-api/v1/float",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "fluid": "water",
        "state": "floats",
        "formula": "floats when ρ_object < ρ_fluid; fraction submerged = ρ_object/ρ_fluid.",
        "density_ratio": 0.6,
        "percent_submerged": 60,
        "fraction_submerged": 0.6,
        "fluid_density_kg_m3": 1000,
        "object_density_kg_m3": 600,
        "object_density_source": "given",
        "percent_above_surface": 40
    },
    "meta": {
        "timestamp": "2026-06-04T10:18:48.325Z",
        "request_id": "f8fe0d9c-accf-486b-a53f-ec1265fc8ace"
    },
    "status": "ok",
    "message": "Float-or-sink analysis",
    "success": true
}