Marketplace · API · AIPayGen tools

Date and business-day calculator (AIPayGen)

Date math agents get wrong: days and business days between two dates (skipping weekends and a country's public holidays), add or subtract days or business days, and facts about a date (weekday, ISO week, quarter, day of year, leap year).

Endpoint	`https://aipaygen.com/v1/date_calc`
Price	$0.001 per call
Trust	✓ Verified callable · null% uptime over 0 checks
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
tool	date_calc
http	GET https://aipaygen.com/v1/date_calc
mcp	https://aipaygen.com/mcp
docs	https://aipaygen.com/docs#date_calc
pay	x402 USDC on Base per call (no account), or an API key with prepaid credits. Low-cost tools: 3 free calls a day.

Use it

Call it (an x402 client pays automatically)

curl -i https://aipaygen.com/v1/date_calc
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/aipaygen-date-calc

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

Date and business-day calculator (AIPayGen)

Use it

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