# Verify

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Use this page after offer selection.

### Main API

* `verify.do`

### Inputs

* `routingIdentifier` from search

### Key outputs

* `sessionId` for order creation
* Latest fare and routing details
* Booking requirements and ancillary options

### Use this when you need

* Fare recheck before booking
* Final validation of routing details
* Required passenger and document rules

### Related pages

* [Search](https://resources.atriptech.com/api-document/readme/booking-overview/search)
* [Create Order](https://resources.atriptech.com/api-document/readme/booking-overview/create-order)
* [Booking APIs](https://resources.atriptech.com/api-document/api-reference/booking-apis)

### Full API reference

See endpoint-level details here:

* [Verify](https://resources.atriptech.com/api-document/api-reference/booking-apis/verify)