Marketplace · API · x402

x402.charliemorrison.dev/signal

Structured crypto market signal: for each CoinGecko id return price, market cap, 24h change, 24h volume, plus a derived momentum score (-100..100), a bullish/neutral/bearish signal, and a volatility flag — enriched data an agent ingests in a trading/research loop without computing it itself. Input: ids (comma-separated).

Endpoint	`https://x402.charliemorrison.dev/signal`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1585 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x435afaC555fe115f18e657E49960063c12C6AEd0
method	GET
last updated	2026-10-28T23:00:32.361Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.charliemorrison.dev/signal
# 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/x402-513a1d763d452eef

Search the whole marketplace from your agent (MCP)

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