# TTool Hub API

> One API platform for flights, hotels and NDC airline content.

- [Introduction](https://developers.ttool.travel/index.md): One platform for flights, hotels and NDC airline content.
- [Build with AI](https://developers.ttool.travel/build-with-ai.md): Connect your AI coding tool to these docs and let it write your integration.
- [Environments and onboarding](https://developers.ttool.travel/environments.md): Base URLs and the steps to go live.
- [Authentication](https://developers.ttool.travel/authentication.md): Exchange credentials for a bearer token and keep it fresh.
- [Conventions](https://developers.ttool.travel/reference/conventions.md): Transport, naming, dates, money, headers and the error envelope.
- [Rate limits](https://developers.ttool.travel/reference/rate-limits.md): Per-IP request limits and how to stay under them.
- [Support](https://developers.ttool.travel/reference/support.md): What to send support when you need help.
- [Changelog](https://developers.ttool.travel/changelog.md): Every change to the APIs and these docs, by product.
- [Flight API](https://developers.ttool.travel/flights/overview.md): Search, price, hold, book and ticket international flights.
- [Quickstart](https://developers.ttool.travel/quickstart.md): Book and ticket a Baghdad to Dubai flight on staging.
- [Round trips](https://developers.ttool.travel/guides/round-trips.md): Handle the combined, packed and split round-trip shapes.
- [Fare families](https://developers.ttool.travel/guides/fare-families.md): Offer Light, Value and Flex style fares where the airline sells them.
- [Booking and ticketing](https://developers.ttool.travel/guides/booking-and-ticketing.md): How create order and issue split the purchase, plus retries, price changes and statuses.
- [On-hold bookings](https://developers.ttool.travel/guides/on-hold-bookings.md): Hold a PNR without paying, then issue or release it before the airline's deadline.
- [Going to production](https://developers.ttool.travel/guides/best-practices.md): Timeouts, retries, correlation ids and data handling.
- [The offer object](https://developers.ttool.travel/reference/offer-object.md): The compact offer model returned by search, details and change-options.
- [Enumerations](https://developers.ttool.travel/reference/enumerations.md): Every enum, with its string name and numeric value.
- [Error codes](https://developers.ttool.travel/reference/errors.md): Every errorCode, its HTTP status, and whether to retry.
- [Testing with Postman](https://developers.ttool.travel/reference/postman.md): Run the whole flow end to end against staging.
- [Authenticate](https://developers.ttool.travel/api-reference/authenticate.md): Exchange your API user's credentials for a bearer token.
- [Search flights](https://developers.ttool.travel/api-reference/search.md): Search every connected provider for priced offers.
- [Get offer details](https://developers.ttool.travel/api-reference/details.md): Re-read an offer and check whether it still exists and whether its price changed.
- [List fare brands](https://developers.ttool.travel/api-reference/fare-brands.md): List the airline's fare families for an offer.
- [Apply a fare brand](https://developers.ttool.travel/api-reference/change-options.md): Apply a fare family and get the re-priced offer.
- [Create an order](https://developers.ttool.travel/api-reference/book.md): Create the order for an offer. Nothing is booked and nothing is paid, unless you ask for a hold.
- [Issue an order](https://developers.ttool.travel/api-reference/issue.md): Book the seats, charge your wallet in USD and receive the tickets, in one call.
- [Get order status](https://developers.ttool.travel/api-reference/get-order.md): Read an order as it stands now: state, PNR, hold deadline, flights and tickets.
- [Cancel a hold](https://developers.ttool.travel/api-reference/cancel-hold.md): Release an on-hold PNR at the airline. Nothing is charged or refunded.
- [Hotel API](https://developers.ttool.travel/hotels/overview.md): Hotel search, rates and booking. Coming soon.
- [NDC API](https://developers.ttool.travel/ndc/overview.md): Airline NDC offers and orders. Coming soon.


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