mcp.blocksize.info/v1/bidask/BTC-USD

Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.

Endpoint	`https://mcp.blocksize.info/v1/bidask/BTC-USD`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~697 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
scheme	exact
pay to	9qCyPu7sLjnwgcbHYY76eqvtjsrdDxis9nn1sjD8CyJo
method	GET
last updated	2026-11-13T01:13:29.406Z

Use it

Call it (an x402 client pays automatically)

curl -i https://mcp.blocksize.info/v1/bidask/BTC-USD
# 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/x402-629e15a473867519

Search the whole marketplace from your agent (MCP)

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