Marketplace · API · x402

api.chainmarket-api.workers.dev/api/crypto/coingecko-market-depth

CoinGecko per-exchange market depth for one coin: USD cost to move price up 2% and down 2% (liquidity), 24h volume in USD, last price and bid-ask spread, for the 15 highest-volume trading pairs. Each row is one exchange pair, not a merged order book. Data is CoinGecko's, updated on its own schedule.

Endpoint	`https://api.chainmarket-api.workers.dev/api/crypto/coingecko-market-depth`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xb8491F953e6860D3b5840b73c60883Ff099ceAfA
method	GET
last updated	2026-11-12T12:07:43.125Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.chainmarket-api.workers.dev/api/crypto/coingecko-market-depth
# 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-bfa0556b9d351e38

Search the whole marketplace from your agent (MCP)

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