---
title: "Changes to Start a hotel booking (asynchronous)"
method: POST
path: "/api/v1/hotels/book"
---

# Changes to Start a hotel booking (asynchronous)

`POST /api/v1/hotels/book`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 25 revisions.

- **2026-09-14** `04dbe7e6cc63`: 1 breaking, 1 warning, 4 info
- **2026-08-04** `7bda5c981b41`: 1 info

## Changes

- **2026-09-14** `04dbe7e6cc63`: 1 breaking, 1 warning, 4 info
  - added the new required request property `expected_cost`
  - removed the request property `expected_balance`
  - added the new optional request property `currency`
  - added the new optional request property `fx_rate`
  - added the new optional request property `idempotency_key`
  - added the non-success response with the status `400`
- **2026-08-04** `7bda5c981b41`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/letsfg/apis/letsfg-api/docs/api/v1/hotels/book/post.md) · [API](https://skmtc.dev/letsfg/apis/letsfg-api.md) · [Page](https://skmtc.dev/letsfg/apis/letsfg-api/changes/api/v1/hotels/book/post)
