You can pay via Fintecture with the following banks:
France
Allianz Bank
ANDBank
Arkea
Banque BCP
BNP Paribas
BPE
BTP Banque
Boursorama
Banque Chalus
Banque Courtois
Banque Kolb
Banque Laydernier
Banque Nuger
Banque Palatine
Banque Populaire
La Banque Postale
Banque Rhone Alpes
Banque de Savoie
Banque Tarneaud
Banque Transatlantique
Bred
Caisse d'Épargne
CIC
CIC Banque Privée
Creatis
Crédit Agricole
Crédit Coopératif
Le Crédit Lyonnais
Crédit du Nord
Crédit Mutuel
Crédit Mutuel Arkea
Floa Bank
Fortuneo
Hello Bank!
ING Bank
Max
Mona Banq
Qonto
Natixis
Revolut
Société Générale
Société Marseillaise de Crédit
Transferwise
Wise
CCF
Spain
Banco Mediolanum
Banco Pichincha
Bankinter
Bankoa
BBVA
CaixaBank
Caja Arquitectos
Caja Rural
Cajasur
Colonya
Eurocaja Rural
Evo Banco
Fiare Bancaetica
Grupo Cooperativo Cajamar
iberCaja
Inversis Banco
Kutxabank
Laboral Kutxa
Open Bank
Renta4
Santander
ING Bank
Belgium
BNP Paribas Fortis
KBC Group
ING Banque
Fintro
Hello Bank
Wise
Revolut
N26
ABN Amro
Belfius
CBC Banque
Axa
Crelan
BPost (BNP fortis)
Italy
Allianz Bank Financial Advisors Retail
Allitude
Banca Akros
Banca Aletti
Banca Carige
Banca Cesare Ponti
Banca del Monte di Lucca
Banca Euromobiliare
Banca Fideuram
Banca Monte del Paschi di Siena
Banca Popolare di Sondrio
Banca Widiba
Banco BPM
Banco di Sardegna
Banco Posta Retail
Credit Agricole
Credito Emiliano Corporate
Credito Emiliano Retail
Farbanca Retail Prepaid Card
Intesa SanPaolo
Intesa SanPaolo Private Banking
Nexi Payments
PostePay
SisalPay
Unicredit
Che Banca
Luxembourg
BGL BNP Paribas
ING Bank
Wise
Revolut
Portugal
Caixa Geral de Depositos
Millenium BCP
Novo Bancos dos Acores
Santander Totta
Activobank
Caixa de Credito Agricola Torres Vedras
Banco Antlantico Europa
Bankinter
Wise
Revolut
Caixa Agricola Bombarral
Caixa Credito Agricola Mutuo de Leiria
Caixa de Credito da Chamusca
ING Bank
Novo Banco
Germany
Wise
Revolut
N26
ABN AMRO
ING Bank
Netherlands
ING Bank
Wise
Revolut
N26
ABN AMRO
Rabobank
SNS Bank