Marketplace · API · x402

mcp.barker.money/barker_defi_vaults

Query real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols. Returns ranked rows with protocol_name, chain_name, asset_symbol, supply_apy_total (decimal — multiply by 100 for %), and supply_tvl (USD). Use for questions like 'best stablecoin yield', 'where to earn on USDC', 'compare lending rates', '稳定币利率'.

Endpoint	`https://mcp.barker.money/barker_defi_vaults`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1661 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:196
scheme	exact
pay to	0x1a53ab9f9182d4054fadf385ebfcc53b2902dcc4
method	GET
last updated	2026-11-12T08:00:13.442Z

Use it

Call it (an x402 client pays automatically)

curl -i https://mcp.barker.money/barker_defi_vaults
# 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/x402-46ed4a2daa10b276

Search the whole marketplace from your agent (MCP)

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