Compare fares, award inventory, and flight conditions.
Give your agent cash fares, award inventory, and flight conditions to compare with explicit dates, cabins, and availability.
Find two business-class seats from San Francisco to Tokyo for a 7–10-day round trip in November. Compare cash and points, including taxes and cancellation rules. Check every leg’s cabin and flag stale availability or unmatched itineraries.

Seats.aero
Award inventory

SerpApi
Travel search

FlightAware
Flight conditions
Travel comparison
Timestamped fares, availability, and conditions
Illustrative call costs
Illustrative single-call samples, not the total cost or a completed result of this prompt. Your agent checks availability, coverage, and pricing for the actual request.
How your agent uses Mercator
Find providers and pay per call through one connection. Your agent chooses the next call based on what it learns.
Search specialized travel providers
- Choose fare sources for your route
- Specify dates, passengers, and cabin per search
- Try another source when route coverage is missing
Combine fares, availability, and conditions
- Retrieve both cash fares and award seats
- Match flight numbers and every leg’s cabin
- Include taxes, seat counts, and check times
Double-check itinerary details
- Check timing, cabin, and fare restrictions
- Add delay and weather checks near departure
- Flag stale or conflicting travel details
The sources you need.
And many more.
Connect any service that supports MPP or x402. Mercator makes it available to agents.
Add your serviceExa
Airline policy discovery
Parallel
Fare-rule research
Google Maps
Airport access
Firecrawl
Policy-page extraction
Seats.aero
Award inventory
SerpApi
Cash fares
FlightAware
Flight conditions
AviationStack
Flight schedules
FlightAPI
Fare comparison
GoFlightLabs
Delays and tracking
Amadeus via Auor
Flight offers
TravelCheck
Airport disruption risk
OpenWeather
Destination weather
Mapbox
Ground travel times
Abstract API
Currency conversion
And many more.