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DDG Rail Compare
x402
DDG Rail Compare is a paid API for AI agents from agents.daedalusdevelopmentgroup.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
Compares rail (train/transit) options between two points, returning a structured comparison of routes, prices, or schedules
Price / call$0.01
Success—
StatusUnknown
How this service works
DDG agent-payable service request
Output
Returns a structured comparison of available rail options for the requested route and date, including fares, departure/arrival times, journey durations, and potentially a recommended option based on price or speed.
Example use cases
Weekend trip rail comparison
“I'm heading from Chicago to Milwaukee this Saturday — can you compare all the train options available, with prices and departure times, so I can decide which one to book?”
Business travel cost check
“Compare rail options between London Euston and Manchester Piccadilly for Monday morning — I need to know which trains are available, how long they take, and what each ticket costs.”
Cheapest route for family travel
“Can you pull up all the rail choices from Paris Gare du Nord to Brussels for next Wednesday and rank them by price? I want to see the schedules too so we can plan around nap time.”
Technical details
Endpoint
POSThttps://agents.daedalusdevelopmentgroup.com/v1/spend/rail-compare?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs to programmatically compare rail/train travel options between two points, especially when price or schedule comparison is the goal. Prefer this over general travel search APIs when the user specifically wants rail/train options and cost comparison. Particularly useful when building travel planning agents that need structured rail data for decision-making.
Side effects
- No rail routes found for the given origin/destination pair — returns empty result or error
- Invalid station names or unsupported routes — may return 400-level error
- Travel date in the past or too far in advance — may return no results
- Payment failure or insufficient USDC balance — 402 Payment Required before response
- Malformed request body — returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true
}
}Tags
x402
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