Marketplace · API · x402

x402.agentindex.world/base/block-number

Latest Base mainnet block height via eth_blockNumber - the current chain tip.

Endpointhttps://x402.agentindex.world/base/block-number
Trust✓ Verified callable · 100% uptime over 1 checks · ~796 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d
methodPOST
last updated2026-11-04T12:45:28.137Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.agentindex.world/base/block-number
# 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/x402-336bed340c9f091f

Search the whole marketplace from your agent (MCP)

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

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