# Partner services

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APIs for organisations with a partnership agreement with Entur. It covers timetable management, real-time deviations, ticket sales and settlement.
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<p className="text-xs uppercase tracking-widest font-semibold text-muted-foreground">Access requirements</p>
<ul className="mb-8 list-disc pl-6 space-y-1 text-sm marker:content-['✓_'] marker:text-emerald-600">
    <li><Link to="">Partnership agreement with Entur</Link></li>
    <li><Link to="/docs/getting-started#client-identification-et-client-name">Client identification (ET-Client-Name)</Link></li>
    <li><Link to="/docs/authentication">OAuth 2.0 authentication</Link></li>
</ul>

Entur also provides free public transport data APIs available to everyone. See [Open services](/docs/open-services).

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