Developers

Bulk Calculation API

Batch beam, gear, mass, and natural-language calculations for engineering teams. Team and Enterprise plans.

API Key

X-API-KEY header

Limits

Team: 500 rows/req

Trust

Deterministic engine

Example request

POST /api/bulk-calc
X-API-KEY: your_team_or_enterprise_key
Content-Type: application/json

{
  "calculator": "beam-analysis-v4",
  "rows": [
    { "material": "steel", "grade": "S355", "length": 5000, "force": 10000 },
    { "material": "aluminum", "grade": "6063-T6", "length": 2500, "force": 2000 }
  ]
}

Natural language batch

POST /api/bulk-calc
X-API-KEY: your_key
Content-Type: application/json

{
  "queries": [
    "aluminum 6061 beam length 2m with 5kN force",
    "ISO 281 bearing 6205 radial 2kN axial 0.5kN 3000 rpm"
  ]
}

Response

Per-row result JSON, assumptions (AI), engine version, and traceability fields. Failed rows do not fail the batch.

Bulk API is available on Team and Enterprise plans. Contact sales for access and API keys.