Update traveler preferences

Merge-update the authenticated traveler's preference settings. Only the supplied fields are changed; omitted fields retain their current values. Replaces PATCH /v1/preferences (deprecated).

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Partial update for traveler preferences.

All fields are optional; only provided fields are merged into the stored
preferences. Use PATCH /v1/profile/preferences going forward;
PATCH /v1/preferences is deprecated.

array | null
array | null
array | null

Replace dietary restrictions list.

array | null

Replace allergies list.

array | null

Replace preferred train carriers list.

Responses

404

Traveler profile not found

422

Invalid preference field or value

503

Database unavailable

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