Marketplace · API · x402

www.blockchainiq.co/api/x402/v1/indices

List of analyst-curated crypto sector indices and thematic baskets, each with slug, name, description and number of member coins. Use to find which crypto sectors and narratives we track and how many coins each holds. JSON, no API key. $0.03 per call. Blockchain IQ.

Endpointhttps://www.blockchainiq.co/api/x402/v1/indices
Trust✓ Verified callable · 100% uptime over 1 checks · ~270 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x617dA9383fbA67e86137BC4924b8b7E400fB7C9e
methodGET
last updated2026-11-12T01:55:00.281Z

Use it

Call it (an x402 client pays automatically)

curl -i https://www.blockchainiq.co/api/x402/v1/indices
# 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/x402-802491b9b01d707c

Search the whole marketplace from your agent (MCP)

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

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