Marketplace · API · x402

api.annalist.dev/v1/prices/service

Price history of an x402 service by host or URL: each listed endpoint's price, first-seen date and changes, price changes in 30 days (raised, lowered, delisted), the prices it actually quoted when we called it, and where it sits against similar services by category (market median and percentile). Signed.

Endpointhttps://api.annalist.dev/v1/prices/service
Trust✓ Verified callable · 100% uptime over 1 checks · ~257 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xDE4805678438b6bfBbFE047fFF305C928653Fe17
methodGET
last updated2026-11-09T12:01:21.286Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.annalist.dev/v1/prices/service
# 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/x402-1401bf2769ef557b

Search the whole marketplace from your agent (MCP)

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

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