Your agent books flights.
You pay per call.

# 1. Search live flight inventory (pay-per-call, $0.10 ×1..50)
$ curl -X POST "https://travel.brij.fi/air/search" \
    -H "PAYMENT-SIGNATURE: <sig>" \
    -d '{"origin":"SFO","destination":"JFK","departure_date":"2026-08-15"}'

# 2. Create an escrow-backed booking intent ($0.10)
$ curl -X POST "https://travel.brij.fi/air/intents" \
    -H "PAYMENT-SIGNATURE: <sig>" \
    -d '{"offer_id":"off_xxx","funding_wallet":"...","passenger":{...}}'

# 3. Fund the escrow and book (pays the escrow amount via x402)
$ curl -X POST "https://travel.brij.fi/air/intents/$INTENT/book" \
    -H "PAYMENT-SIGNATURE: <sig>"

# HTTP 200 + Payment-Response: <settled>
# {"intent_id": "...", "booking": {"confirmation_code": "ABC123", ...}}

from x402 import X402Client

client = X402Client(solana_wallet)

# Search
offers = client.post("https://travel.brij.fi/air/search", json={
  "origin": "SFO",
  "destination": "JFK",
  "departure_date": "2026-08-15",
}).json()

# Create intent from a selected offer
intent = client.post("https://travel.brij.fi/air/intents", json={
  "offer_id": offers["data"]["offers"][0]["id"],
  "funding_wallet": solana_wallet.public_key,
  "passenger": {"given_name": "Ada", "family_name": "Lovelace", ...},
}).json()

# Fund escrow + book in one x402-paid call
booked = client.post(
  f"https://travel.brij.fi/air/intents/{intent['intent_id']}/book",
).json()

# booked.booking.confirmation_code is the airline PNR