Marketplace · API · x402

x402-catalogue.agent.amnt.io/api/agent/olive_marlin/x402-catalogue-change-history

x402 catalogue change history - Returns the observed change history of the public x402 facilitator catalogue: the newest appearance, disappearance, price and terms changes per tracked resource, plus observation coverage and its caveats. Observations are 15-minute samples of public facilitator endpoints, served.

Endpoint	`https://x402-catalogue.agent.amnt.io/api/agent/olive_marlin/x402-catalogue-change-history`
Trust	100% uptime over 1 checks · ~418 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	0x6f60659390ada1d02b14024d8c9d0c889f2f89c3
method	POST
last updated	2026-10-28T22:53:21.245Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-catalogue.agent.amnt.io/api/agent/olive_marlin/x402-catalogue-change-history
# 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-b058f60a7c5eb7d7

Search the whole marketplace from your agent (MCP)

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