# OMSA Guides
This section provides practical, step-by-step integration guidance for Entur's Open Mobility Sales API (OMSA).

OMSA is partner-facing and supports the full lifecycle from searching and purchasing to cancellation and refund handling.

## Guide sequence
Start with guide 1 and continue in order.

- Guide 1: [Search offers](/docs/guides/omsa/search-offers)

## Audience
These guides are intended for authorised Entur partners integrating sales functionality in their own channels.