Marketplace · API · x402

www.pennypress.org/common-cents/full

Every curated quotation in the Common Cents collection: quote text, theme, source essay title, and link. The quotes themselves are delivered after payment.

Endpoint	`https://www.pennypress.org/common-cents/full`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~173 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x19ea1e953542d7ac76f042f8bdc94d81b964c53d
method	GET
last updated	2026-11-11T15:00:37.289Z

Use it

Call it (an x402 client pays automatically)

curl -i https://www.pennypress.org/common-cents/full
# 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/x402-808efe4c05a0b367

Search the whole marketplace from your agent (MCP)

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