Marketplace · API · x402

open-pay.jp/api/paid/usdc/jpyc/supply

Read the current contract-reported JPYC totalSupply on Polygon, Kaia, Avalanche or Ethereum, with the token contract address and the block number observed at request time. Use for periodic supply monitoring, cross-chain comparison, or verifying a current JPYC supply figure before citing it. Not for market price, reserve backing, circulating-supply analysis, or financial advice.

Endpointhttps://open-pay.jp/api/paid/usdc/jpyc/supply
Trust✓ Verified callable · 100% uptime over 1 checks · ~349 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x52d4901142e2B5680027da5EB47C86CB02a3cA81
methodGET
last updated2026-11-02T04:40:28.036Z

Use it

Call it (an x402 client pays automatically)

curl -i https://open-pay.jp/api/paid/usdc/jpyc/supply
# 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-d4fe09298eede49f

Search the whole marketplace from your agent (MCP)

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

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