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GET /v1/bend-allowance

Bend allowance & deduction

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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/sheetmetal-api

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Code snippets

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

Example response

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

{
    "data": {
        "formula": "BA = θ·(r + K·t); OSSB = (r+t)·tan(θ/2); BD = 2·OSSB − BA (θ in radians).",
        "k_factor": 0.44,
        "k_source": "explicit",
        "thickness": 2,
        "inside_radius": 3,
        "bend_allowance": 6.09469,
        "bend_angle_deg": 90,
        "bend_deduction": 3.90531,
        "outside_setback": 5,
        "neutral_axis_from_inside": 0.88
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:04.925Z",
        "request_id": "71beaa5f-5b93-45f6-8964-af21562f1a2a"
    },
    "status": "ok",
    "message": "Bend allowance & deduction",
    "success": true
}