IMPT booking + retirement API overview

What the IMPT API exposes — booking, retirement reference, on-chain transaction hash, registry source.

Direct answer

IMPT exposes a booking API and a retirement-record export. Bookings flow as standard OTA confirmations; retirements are queryable on-chain or via the IMPT reporting API.

Booking API

Standard OTA-style booking flow. POST a search, receive availability + rates, POST a booking confirmation. Response includes booking ID, hotel, dates, total price, and retirement reference.

Retirement API

GET /retirements/ returns the retirement record: tokenId, amount (1 tonne), retirement timestamp, on-chain transaction hash, registry source, and Thallo retirement reference if applicable.

On-chain alternative

All retirements are queryable independently of IMPT's API by reading the CarbonCreditNFT contract's Retired event log on Ethereum mainnet, filtered by bookingRef.

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