Duffel Flights

Search for real-time flight offers across airlines via the Duffel API. Returns live pricing, cabin details, baggage info, and booking links. Supports one-way, round-trip, and multi-city searches.

Source: duffel.com

Prerequisites

• DUFFEL_API_KEY_LIVE environment variable set with a live API token
• Token needs air.offer_requests.create permission

API Basics

• Base URL: https://api.duffel.com
• Version header: Duffel-Version: v2 (REQUIRED, v1 is deprecated)
• Auth: Authorization: Bearer $DUFFEL_API_KEY_LIVE
• Content-Type: application/json
• Rate limit: 60 requests per 60 seconds