No. 42 of 68 ·Payment Processing Software

SlimPay

Web · Android · iPhone · API

Freedom report

Two barsScore 5.1

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

SlimPay is ranked #42 of 68 in payment processing software on Freedom251. It runs on Android, API, iOS, Web. There is no free plan.

SlimPay plans and pricing

All plans

Production service Not published Pricing by contacting SlimPay slimpay.com · 29 Sept 2026

Compared on payment processing software

Free plan: No
Payment frequency: both
Scheme coverage: both
Mandate management: Yes
API access: Yes
Hosted payment page: Yes

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The record

Product: SlimPay helps businesses automate recurring payment collection through account-to-account payments, direct debits and open banking services.
Payment uses: The service supports recurring subscription payments, invoice payments and payment method updates using direct debit.
Digital mandates: Customers can sign SEPA mandates digitally using a checkbox or one-time password.
Payment schemes: SlimPay supports SEPA Direct Debit CORE, SEPA Direct Debit B2B and SEPA Credit Transfer.
Currency and coverage: SlimPay says it supports direct debits and credit transfers in euros and accepts payments from countries in the SEPA jurisdictional scope.
Integrations: Merchants can integrate SlimPay through a REST API or use its File Transfer interface for batch processing.
Checkout: Checkout can be integrated into websites and mobile applications, with pop-in, redirection and iFrame options.
Payment management: Accounts are accessible through a Dashboard, REST API and file transfer interface.
Payment retries: SlimPay offers manual or automatic retry options for failed SEPA direct debit transactions.
Security and authorization: SlimPay states that it is authorized and supervised by France’s ACPR as a payment institution and is subject to GDPR requirements.
Data hosting: SlimPay says its servers are located entirely within the European Union with Amazon Web Services.
Support: SlimPay’s developer center invites users to send questions to its dedicated team for help with errors and documentation.
Intended customers: SlimPay’s FAQ says its payment solution is not an ERP, CRM or subscription relationship-management platform.
Production access: SlimPay says it creates production accounts after pre-production tests are completed and validated and the customer completes KYC.

Where it ranks on Freedom251

Best Payment Processing Software in 2026#42 of 68
Best Direct Debit Processing Software in 2026#15 of 23

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Sources

slimpay.com/about-us/· checked 29 Sept 2026
slimpay.com/sepa-payments/· checked 29 Sept 2026
dev.slimpay.com/resource/faq· checked 29 Sept 2026
dev.slimpay.com· checked 29 Sept 2026
slimpay.com/checkout/· checked 29 Sept 2026
slimpay.com/privacy-policy/· checked 29 Sept 2026
slimpay.com/contact/· checked 29 Sept 2026