Skip to content
oanor
Sign up free
Marketplace Pricing Features Sign in
GET /v1/spacing

d-spacing from angle

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/bragg-api

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

Get an API key

Code snippets

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

Example response

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

{
    "data": {
        "note": "Inter-planar spacing d = n·λ/(2·sinθ). This is how a crystal's lattice spacing is read off an XRD peak.",
        "inputs": {
            "order": 1,
            "theta_deg": 22.655,
            "wavelength_nm": 0.15406
        },
        "spacing_nm": 0.19998371,
        "spacing_angstrom": 1.999837
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:23.819Z",
        "request_id": "36c08afd-efaf-4aef-8304-2ec7eef4eef5"
    },
    "status": "ok",
    "message": "d-spacing",
    "success": true
}