Marketplace · API · x402

kronossignals.com/api/v1/price/btc

Spot price for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT) as a volume-weighted median across Binance, Coinbase, Kraken and OKX (2 s timeout per source): 1% outlier rejection, cross-exchange spread %, a confidence grade (high/medium/low) and per-source volume weights. A reference price, not a single-venue ticker. Optional coins= batches up to 10 symbols per call. $0.02 USDC via x402.

Endpointhttps://kronossignals.com/api/v1/price/btc
Trust✓ Verified callable · 100% uptime over 1 checks · ~585 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x36038e1d712c5e39f35952164ec58ec2b96caee7
methodGET
last updated2026-11-01T22:24:54.182Z

Use it

Call it (an x402 client pays automatically)

curl -i https://kronossignals.com/api/v1/price/btc
# 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/x402-821f367850eb0710

Search the whole marketplace from your agent (MCP)

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

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