Developer access

One free beta API shape for every tool.

Run the same utilities from your own app with a tool slug, a JSON input object, and a structured result. No key is required during beta; endpoints are rate-limited for reliability.

Endpoint

Run a tool

POST /api/tools/mortgage-payment-calculator
Content-Type: application/json

{
  "inputs": {
  "homePrice": 425000,
  "downPayment": 85000,
  "interestRate": 6.75,
  "years": 30,
  "propertyTaxAnnual": 5200,
  "insuranceMonthly": 150
}
}

Response

Structured output

{
  "tool": "mortgage-payment-calculator",
  "result": {
    "summary": "...",
    "outputs": [
      { "label": "Total monthly payment", "value": "$2,852" }
    ]
  }
}

Access

Simple browser tools now. Developer access next.

Free webOpen use

Use the browser tools whenever you need a quick answer.

DeveloperFree beta

No key required during beta. Requests may be rate-limited to protect uptime.

BusinessPlanned

Higher quotas, commercial use, logs, and team keys may be added later.

Coverage

Every category can share the same request format.

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