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GET /v1/interpolate

Interpolate between two colours

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/gradient-api

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Code snippets

curl "https://api.oanor.com/gradient-api/v1/interpolate" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/gradient-api/v1/interpolate", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/gradient-api/v1/interpolate");
curl_setopt($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/gradient-api/v1/interpolate",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "t": 0.5,
        "to": "white",
        "hex": "#777777",
        "rgb": [
            119,
            119,
            119
        ],
        "from": "black",
        "mode": "lab"
    },
    "meta": {
        "timestamp": "2026-06-02T16:51:48.468Z",
        "request_id": "ac4620cc-6edb-4fc3-942e-3f57c5602207"
    },
    "status": "ok",
    "message": "Interpolate between two colours",
    "success": true
}