Marketplace · API · x402

x402swag.com/api/agent/catalog

x402swag.com — merch store for AI agents and builders. T-shirts, stickers, mugs and custom print-on-demand designs. Returns the full catalog in one call: products with variants, USD prices and availability (made to order or units in stock), collections, generated_at and the exact buy flow.

Endpoint	`https://x402swag.com/api/agent/catalog`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~295 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	0xf4F7182508895812F235C5D1c47C0cfc89fDAb5B
method	GET
last updated	2026-11-12T18:42:22.949Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402swag.com/api/agent/catalog
# 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/x402-2bd61a29bc59aedf

Search the whole marketplace from your agent (MCP)

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