To sign up as a traveller and get £27 / 30€ off your first booking (and £9 off your first experience) please use this link and register right away
https://www.airbnb.fr/c/pmouquet?currency=eur
The Airbnb promo code gives up to 37€ for free for every new customer that use the Airbnb referral link or promo code on signup. To get a first 37€ Airbnb discount for free and activate the Airbnb discount, click on the Airbnb referral link, create your account and make your reservation. The 37€ Airbnb coupon will be added to your wallet so you will have a discount on your reservation (usually up to 25€)