More visibility
Your outings appear in the feed and geolocated suggestions for the entire local community.
Either you receive public Ossau outings via webhook, or you publish your own outings via our endpoint. No over-engineering: one event, one HTTP call.

You keep your catalogue, your pricing, your programme. Ossau App brings the community, carpooling and coordination.
Your outings appear in the feed and geolocated suggestions for the entire local community.
Practitioners discover your outings, register, and automatically coordinate their journey.
Webhook, REST, embed widget: connect your existing tool. Or publish manually from the app.
Two directions, two tools. Both can coexist.
Webhook · Ossau → you
An HTTPS endpoint of yours, which receives JSON.
Any Ossau user publishes a public activity.
Signed POST to your URL, in real time.
// On vous notifie quand une activité publique est créée ou modifiée.
{
"event": "activity.published",
"activity": {
"publicId": "act_7f3a2b",
"title": "Lac d'Artouste au lever du soleil",
"type": "HIKING",
"purpose": "EVENT",
"startDate": "2026-08-03T06:00:00Z",
"startingLocation": "Fabrèges, Pyrénées-Atlantiques",
"distance": 8400,
"elevationGain": 520,
"maxParticipants": 12,
"organizerId": 1284,
"url": "https://ossau.app/activity/act_7f3a2b"
}
}
// Événements poussés : activity.published · activity.updated · activity.cancelled · activity.fullWebhook or endpoint: the API key and full documentation are provided after a conversation with the Ossau App team, to calibrate your integration together.
Let us discuss your need: API, webhooks, widget, and we activate your access straight away.