Marketplace · API · x402

x402id-availability.dmpay.workers.dev/v1/availability/:name

Check whether an ENS identity name for an AI agent, API or MCP server is available on x402 Identity Hub (*.402bot.eth, *.402api.eth, *.402mcp.eth). Returns availability, the mint fee and where to register.

Endpoint	`https://x402id-availability.dmpay.workers.dev/v1/availability/:name`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~907 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	0x8E61630A73a38B5A1b7AE8dAA8AeAD364403631C
method	GET
last updated	2026-10-29T18:19:46.253Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402id-availability.dmpay.workers.dev/v1/availability/:name
# 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-ec7dac5c73a33650

Search the whole marketplace from your agent (MCP)

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