---
title: "Changes to Create Flight Booking Session"
method: POST
path: "/flight-booking/sessions/"
---

# Changes to Create Flight Booking Session

`POST /flight-booking/sessions/`

> Every recorded change to this operation, newest first.
> 68 revisions in range; 1 not diffed.

## Timeline

Changed in 15 of 68 revisions.

- **2026-10-20** `8824999a7a0a`: 1 info
- **2026-10-15** `ba2f26081946`: 1 info
- **2026-10-09** `91d34328554f`: 1 breaking, 3 warning, 1 info
- **2026-10-07** `6d10c134a61d`: 1 warning, 8 info
- **2026-10-02** `6ff2a6d7970a`: 1 info
- **2026-10-02** `fea828bb8609`: 1 info
- **2026-09-30** `d698bc4c58ea`: 1 info
- **2026-09-26** `ff95d5d338e4`: 6 info
- **2026-09-24** `c1e649dcf8e0`: 2 info
- **2026-09-24** `201bba08e85c`: 1 info
- **2026-09-23** `5d2121d26b96`: 3 info
- **2026-09-19** `e5f778e80f9a`: 1 warning
- **2026-09-16** `ca05fbc4893d`: 21 info
- **2026-09-10** `09ac75a22f0e`: 2 info
- **2026-09-06** `fa0678aea849`: 1 info

## Changes

- **2026-10-20** `8824999a7a0a`: 1 info
  - added the new optional request property `book_direct`
- **2026-10-15** `ba2f26081946`: 1 info
  - added the new optional request property `agent_price_hold`
- **2026-10-09** `91d34328554f`: 1 breaking, 3 warning, 1 info
  - the `trigger` response property const value `second_booking` was removed for the status `201`
  - added the new `repricing_backfill` enum value to the `review_invite/anyOf[subschema #1: ReviewInvite]/trigger` response property for the response status `201`
  - added the new `repricing_win` enum value to the `review_invite/anyOf[subschema #1: ReviewInvite]/trigger` response property for the response status `201`
  - added the new `second_booking` enum value to the `review_invite/anyOf[subschema #1: ReviewInvite]/trigger` response property for the response status `201`
  - the `active_negotiation_offer/anyOf[subschema #1: FlightNegotiationOfferResponse]/total_savings_percentage/anyOf[subschema #1]/` response's property pattern `^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$` was removed for the status `201`
- **2026-10-07** `6d10c134a61d`: 1 warning, 8 info
  - added the new `fee_required` enum value to the `fare_hold/anyOf[subschema #1: FareHoldBlock]/offer/reason/anyOf[subschema #1]/` response property for the response status `201`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/ttclid`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/ttclid`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/ttclid`
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/hold/anyOf[subschema #1: FareHoldSummary]/fee_cents` to the response with the `201` status
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/hold/anyOf[subschema #1: FareHoldSummary]/fee_currency` to the response with the `201` status
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/hold/anyOf[subschema #1: FareHoldSummary]/fee_paid_at` to the response with the `201` status
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/offer/fee_cents` to the response with the `201` status
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/offer/fee_currency` to the response with the `201` status
- **2026-10-02** `6ff2a6d7970a`: 1 info
  - added the optional property `review_invite` to the response with the `201` status
- **2026-10-02** `fea828bb8609`: 1 info
  - added the new optional request property `source_booking_id`
- **2026-09-30** `d698bc4c58ea`: 1 info
  - added the optional property `fare_policy` to the response with the `201` status
- **2026-09-26** `ff95d5d338e4`: 6 info
  - added the optional property `customer_price_per_person` to the response with the `201` status
  - added the optional property `hotel_offer_member_price` to the response with the `201` status
  - added the optional property `hotel_offer_price` to the response with the `201` status
  - added the optional property `member_customer_price` to the response with the `201` status
  - added the optional property `member_customer_price_per_person` to the response with the `201` status
  - added the optional property `public_price_per_person` to the response with the `201` status
- **2026-09-24** `c1e649dcf8e0`: 2 info
  - added the new optional request property `hotel_deal_acceptance/anyOf[subschema #1: AcceptFlightHotelDealRequest]/proposal_set_id`
  - added the optional property `hotel_offer_acceptance` to the response with the `201` status
- **2026-09-24** `201bba08e85c`: 1 info
  - added the new optional request property `hotel_deal_acceptance`
- **2026-09-23** `5d2121d26b96`: 3 info
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/oppref`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/oppref`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/oppref`
- **2026-09-19** `e5f778e80f9a`: 1 warning
  - added the new `hotel_saving` enum value to the `pricing_breakdown/anyOf[subschema #1: FlightPricingBreakdown]/discounts/items/type` response property for the response status `201`
- **2026-09-16** `ca05fbc4893d`: 21 info
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/capture_state`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_adgroup`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_asset_group`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_content_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_creative`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/first_touch/anyOf[subschema #1: AttributionTouch]/utm_placement`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/capture_state`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_adgroup`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_asset_group`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_content_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_creative`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_paid_touch/anyOf[subschema #1: AttributionTouch]/utm_placement`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/capture_state`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_adgroup`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_asset_group`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_content_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_creative`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_id`
  - added the new optional request property `checkout_attribution/anyOf[subschema #1: CheckoutAttributionData]/last_touch/anyOf[subschema #1: AttributionTouch]/utm_placement`
- **2026-09-10** `09ac75a22f0e`: 2 info
  - added the new optional request property `checkout_attribution`
  - added the optional property `fare_hold/anyOf[subschema #1: FareHoldBlock]/hold/anyOf[subschema #1: FareHoldSummary]/card_observation_id` to the response with the `201` status
- **2026-09-06** `fa0678aea849`: 1 info
  - added the optional property `fare_hold` to the response with the `201` status

---

[Operation](https://skmtc.dev/helloaxel/apis/client-api-gateway/docs/flight-booking/sessions/post.md) · [API](https://skmtc.dev/helloaxel/apis/client-api-gateway.md) · [Page](https://skmtc.dev/helloaxel/apis/client-api-gateway/changes/flight-booking/sessions/post)