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.

Browse tools

FinanceFinance Calculators

Everyday money calculators for loans, savings, taxes, income, and payoff planning.

DeveloperDeveloper Utilities

Fast formatters, encoders, counters, and converters for common development chores.

BusinessBusiness Math

Operational calculators for acquisition, revenue, pricing, ads, and unit economics.

AIAI Workbench

Prompt, token, context, and cost tools for people building with AI systems.

CryptoCrypto Calculators

Onchain math for profit, market cap, staking, vesting, slippage, and risk checks.

MarketingMarketing Tools

Campaign builders, copy helpers, tracking utilities, and acquisition planning tools.

ContentContent Tools

Generators and transformers for briefs, posts, transcripts, FAQs, and publishing workflows.

Legal / OpsLegal / Ops Tools

Operational templates for policies, agreements, invoices, checklists, and internal process docs.

SEO / WebSEO / Web Tools

Webpage metadata, schema, sitemap, robots, accessibility, and launch-check utilities.

FilesFile Conversion Tools

Copy-ready conversion commands and workflow builders for images, PDFs, documents, video, audio, archives, ebooks, and web files.

ProductivityProductivity Tools

Meeting, planning, ticket, checklist, and workflow utilities for daily execution.