Marketplace · API · x402

api.alphabuild.xyz/fcv/v1/funding-comparison

Compare 24 hours of settled perpetual funding on Hyperliquid and dYdX Chain. One 0.015 native Base USDC payment covers a complete comparison for one asset and all requested sides. Both venues must have complete coverage and valid source receipts. One-venue listing results and incomplete coverage diagnostics are free.

Endpoint	`https://api.alphabuild.xyz/fcv/v1/funding-comparison`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x17fD9bf1C73f9E62A6AF16FC483279B3d83c1398
method	POST
last updated	2026-11-10T11:46:49.541Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.alphabuild.xyz/fcv/v1/funding-comparison
# 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/x402-57051b4cedc2745f

Search the whole marketplace from your agent (MCP)

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