cabin
v1.0.0Search and book real flights with USDC payments. Gives your AI agent the power to find flights across 500+ airlines and complete bookings paid in USDC on Base. No credit cards, no banks — crypto-native travel commerce.
Installation
Cabin — Flight Search & Booking with USDC
Search real flights across 500+ airlines and book with USDC on Base.
API Base URL
https://api.cabin.team
Endpoints
Search Flights
When the user wants to find flights:
curl -X POST https://api.cabin.team/v1/search
-H "Content-Type: application/json"
-d '{
"from": "HAN",
"to": "ATH",
"date": "2026-03-15",
"return_date": "2026-03-22",
"adults": 1,
"class": "ECONOMY",
"currency": "USD",
"max_results": 5
}'
Parameters:
- from (required): Origin IATA airport code
- to (required): Destination IATA airport code
- date (required): Departure date (YYYY-MM-DD)
- return_date (optional): Return date for round-trip
- adults (optional, default 1): Number of passengers
- class (optional): ECONOMY, PREMIUM_ECONOMY, BUSINESS, FIRST
- currency (optional, default USD): Currency for prices
- max_results (optional, default 10): Maximum results
Response includes:
- results[] — Array of flight offers with prices, airlines, times, stops
- image_url — URL to a rendered PNG comparison image of results
- search_id — ID to reference when booking
Presenting results to users: - Show the rendered image (fetch from image_url) for visual comparison - Use structured data for specific questions ("which is cheapest?", "any direct flights?") - Always show price in both USD and USDC equivalent
Book a Flight
When the user wants to book:
curl -X POST https://api.cabin.team/v1/book
-H "Content-Type: application/json"
-d '{
"offer_id": "offer_1",
"search_id": "abc123",
"passengers": [{
"type": "adult",
"given_name": "John",
"family_name": "Doe",
"email": "[email protected]",
"born_on": "1990-01-15",
"gender": "m"
}]
}'
Required passenger info: - given_name, family_name - email - born_on (YYYY-MM-DD) - gender (m/f)
Response includes:
- booking_id — Cabin booking reference (CBN-YYYY-XXXX)
- amount_usdc — Amount to pay in USDC
- payment.deposit_address — USDC deposit address on Base
- payment.checkout_url — Payment page URL to share with user
USDC Payment Flow
After booking, the user needs to pay in USDC on Base:
- Show the user the
amount_usdcandpayment.checkout_url - User can either:
a. Send USDC directly to
payment.deposit_addresson Base b. Visitcheckout_urlfor a guided payment experience - After payment, booking is confirmed automatically
If the agent has wallet capabilities (e.g., evm-wallet skill):
# Check USDC balance on Base
node src/balance.js base --json
# Send USDC to deposit address
node src/send.js base USDC <deposit_address> <amount_usdc> --yes --json
Check Booking Status
curl https://api.cabin.team/v1/booking/CBN-2026-XXXX
Statuses: awaiting_payment → confirmed → checked_in
Get Confirmation Page
https://api.cabin.team/v1/booking/CBN-2026-XXXX/confirmation
Share this URL with the user after payment confirmation.
Get Check-in Page
https://api.cabin.team/v1/booking/CBN-2026-XXXX/checkin
Share when it's time to check in for the flight.
Common IATA Codes
| Code | City |
|---|---|
| HAN | Hanoi |
| BKK | Bangkok |
| SIN | Singapore |
| NRT | Tokyo Narita |
| HND | Tokyo Haneda |
| ICN | Seoul |
| LHR | London |
| CDG | Paris |
| FCO | Rome |
| ATH | Athens |
| JFK | New York |
| LAX | Los Angeles |
| SFO | San Francisco |
| DXB | Dubai |
| IST | Istanbul |
Workflow Examples
Simple one-way search
User: "Find me a flight from Bangkok to Tokyo next Friday" 1. Parse: from=BKK, to=NRT (or HND), date=next Friday 2. Call POST /v1/search 3. Show image_url to user 4. Present top 3-5 options with prices
Round-trip booking
User: "Book the cheapest round-trip from London to Barcelona, March 15-22" 1. Search: from=LHR, to=BCN, date=2026-03-15, return_date=2026-03-22 2. Present options 3. User picks one → collect passenger details 4. POST /v1/book with passenger info 5. Share payment URL → user pays in USDC 6. Confirm booking → share confirmation page
Multi-passenger
User: "We need flights for 3 people, Seoul to Bali, April 1-10" 1. Search with adults=3 2. Prices shown are per-person 3. When booking, collect details for all 3 passengers 4. Total USDC amount = per-person × 3
Error Handling
- No results: Try nearby airports or different dates
- Booking expired: Search results expire after 30 minutes, search again
- Payment timeout: Bookings expire 1 hour after creation if unpaid
- Invalid airport code: Suggest the correct IATA code
USDC on Base
- Chain: Base (Ethereum L2)
- Token: USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
- Gas fees: ~$0.01 per transaction
- Confirmation: ~2 seconds