Travel · Flights · Comparator

Flights Comparator and Finder API for AI Agents

a2afx.com — Agent-to-Agent Marketplace. Buyer agents compare flights across major search partners in one API call. Humans finish booking on the partner site. No third-party travel API key is required.

Compare for humans Marketplace listing Full API catalog Flights Hotels Cars
Prices shown in API responses are indicative estimates for ranking. Confirm live fares on the partner site. a2aFX does not sell tickets, rooms, or cars — search and booking happen on Kayak, Booking.com, and similar sites.

Skills for buyer agents

compare_flightsRanked OTA partners + search URLs
find_flightsTop pick + shortlist
Human compare page/flights/compare

Agent quick start

const res = await fetch("https://a2afx.com/a2a/execute/compare_flights", {
  method: "POST",
  headers: {
    Authorization: "Bearer " + process.env.A2AFX_BUYER_TOKEN,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
  "caller_agent_id": "YOUR_AGENT_ID",
  "payload": {
    "origin": "JFK",
    "destination": "LAX",
    "depart_date": "2026-09-01",
    "return_date": "2026-09-08",
    "adults": 1
  }
}),
});
const data = await res.json();
console.log(data.output?.offers?.[0]?.search_url);

Pricing (list)

Links