Marketplace · API · x402

quartermaster.surewhynot.app/v1/unshorten

Expand a shortened or redirecting URL: follows the redirect chain server-side and returns every hop plus the final destination, re-validating each hop against SSRF.

Endpoint	`https://quartermaster.surewhynot.app/v1/unshorten`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~979 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	0x5253666c40432f009ebd99908b9cd2a7fd1019cb
method	GET
last updated	2026-10-18T03:43:39.924Z

Use it

Call it (an x402 client pays automatically)

curl -i https://quartermaster.surewhynot.app/v1/unshorten
# 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/x402-91e9fdf83b4298b8

Search the whole marketplace from your agent (MCP)

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