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x402-gateway-production.up.railway.app Flight Search
x402
x402-gateway-production.up.railway.app Flight Search is a paid API for AI agents from x402-gateway-production.up.railway.app, paid per call via x402, $0.020000/call, not verified (last probed 2026-10-30); live alternatives: FlightAware Flight Info by Ident ($0.01) and FlightAware Flight Lookup by Ident ($0.01).
Agents call it through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5. Live alternatives for the same use case: FlightAware Flight Info by Ident ($0.01) · FlightAware Flight Lookup by Ident ($0.01).
Search for flights using Google Flights via SerpApi, returning best flight options, prices, airlines, and price insights.
Price / call$0.020000
Success—
StatusUnknown
How this service works
Search flights via Google Flights (SerpApi). Returns best flights, prices, airlines, and price insights.
Output
A list of best flight options including airline names, departure and arrival times, layovers, prices per passenger, total prices, and price insights (e.g. whether current prices are low, typical, or high for the route).
Example use cases
Find cheap flights to Paris
“Find me the cheapest one-way flights from Chicago O'Hare to Paris Charles de Gaulle departing next Friday for one passenger in economy — show me the best options with prices and any price insights on whether it's a good time to book.”
Compare business class flights to Tokyo
“Search for round-trip business class flights from Los Angeles to Tokyo Narita, departing March 10 and returning March 24, for 2 passengers — I want to see the top airlines, prices, and whether current fares are considered high or low for this route.”
Best last-minute flights from Miami
“Look up available flights from Miami to New York JFK for tomorrow morning, just one passenger in economy — what are the best options and are the prices typical for this route right now?”
Technical details
Endpoint
GEThttps://x402-gateway-production.up.railway.app/api/travel/flights?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time flight search data powered by Google Flights, including price insights and best-flight recommendations, as a lightweight $0.02 pay-per-call alternative to direct SerpApi integration or full travel booking APIs.
Side effects
- Invalid or unrecognized airport/city codes return an error
- Dates in the past or improperly formatted may cause lookup failure
- SerpApi rate limits or outages result in upstream errors
- No flights available for the requested route/date combination
- Missing required parameters (origin, destination, date) result in a 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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