It's easy to become the patron of Pepper&Carrot for only $1 per new episode on Patreon. Patreon accepts credit cards from all around the world and also PayPal.
Patreon
The most popular patronage service for supporting webcomics artists, you probably already know it.
Liberapay
A libre alternative to Patreon designed for more privacy and lowest transaction fees.
Tipeee
An alternative to Patreon using €uros with an interface translated into French, Germans, Spanish.
Paypal
The well known payments system that supports online money transfers with many available currencies.
Ğ1
A cryptocurrency based on the open-source software Duniter and a web of trust.
Bank transfert
Free of charge within Europe and works world wide:
IBAN:
FR6230002040630000090557K69
RIB:
30002040630000090557K69
BIC:
CRLYFRPP
Gifts
Here is an adress where I'll receive your boxes and letters:
David REVOY au Cabinet Dentaire
135 Avenue des Mourets
82000 MONTAUBAN
FRANCE