Marketplace · API · x402

api.xynaptic.io/v1/rail-intermodal-compare

Xynaptic Intermodal Compare — train vs plane between two cities: REAL next train journeys (Navitia/SNCF: times, duration, transfers) vs flight estimate (great-circle distance, typical duration+price range, CO2 per passenger). Composite verdict: when the train wins on total door-to-door time or cost. GET ?from=Paris&to=Nice. France focus. Informational.

Endpoint	`https://api.xynaptic.io/v1/rail-intermodal-compare`
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	0x4ff893dF9aB8603d5460FbbAeE0D9B8c0fa4D5e9
method	GET
last updated	2026-11-13T07:41:58.511Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.xynaptic.io/v1/rail-intermodal-compare
# 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/x402-9dce98e500859f4a

Search the whole marketplace from your agent (MCP)

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