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GET /v1/wire

Field around a straight wire

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

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

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

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Code snippets

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

Example response

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

{
    "data": {
        "formula": "B = μ0·I/(2π·r).",
        "current_a": 10,
        "distance_m": 0.05,
        "magnetic_field_mt": 0.04,
        "magnetic_field_ut": 40.00000002,
        "magnetic_field_gauss": 0.4,
        "magnetic_field_tesla": 4.000000002e-5
    },
    "meta": {
        "timestamp": "2026-06-04T10:18:44.667Z",
        "request_id": "c44dd53a-8a40-4958-89d1-b24aa73a1a2f"
    },
    "status": "ok",
    "message": "Field around a straight wire",
    "success": true
}