Marketplace · API · x402

shop.lordevo.com/api/quick/math-eval

Exact calculator for agents: evaluates a math expression with big integers and exact fractions (1/3 stays 1/3), powers, factorials, sqrt, round, gcd, lcm, comb, perm, logs and trig. Returns result, fraction, decimal to N places, repeating decimal and whether it is exact. Offline.

Endpoint	`https://shop.lordevo.com/api/quick/math-eval`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x0876A79Bb5A88Bf338E6b47b4530359527b01d73
method	GET
last updated	2026-11-13T04:31:38.77Z

Use it

Call it (an x402 client pays automatically)

curl -i https://shop.lordevo.com/api/quick/math-eval
# 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/x402-9b917c03c0de9b91

Search the whole marketplace from your agent (MCP)

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