smallinvoice
smallinvoice is a cloud-based Swiss invoicing and business software, ideal for SMEs, start-ups, and freelancers. With features like invoice creation, QR invoices, expense management, and project time tracking, it covers the entire admin workflow.
Brief Profile
Overview
The Payrexx integration allows payments to be initiated directly via invoice links and automatically reconciled—efficiently, data-secure, and all within the Swiss infrastructure.
Company & Origin: Smallinvoice was founded in 2011, is based in Zurich/Basel, and employs 11–50 people.
Platform: Web-based SaaS solution, no installation required, with German, French, and English interfaces, hosting and data located in Switzerland.
Product
Core functions: Creation of professional documents (invoices, quotations, reminders), QR invoices, automatic payment reminders, and dunning workflows.
Extensions: CRM, expense and project module with time tracking, accounting exports (Banana, INFONIQA, Topal), live editor and PDF layout customizing.
Areas of Application
Target groups: SMEs, start-ups, freelancers, trustees—everywhere QR invoices, automated processes, and Swiss data protection are relevant.
Payrexx Integration: Invoices can contain payment links that initiate Payrexx Checkout; payments are automatically booked and legitimised via webhooks, without media disruption.
Transaction fees
Cards from:
1.35%
+
CHF 0.18
TWINT from:
1.25%
+
CHF 0.18
Wallets from:
1.35%
+
CHF 0.18
Questions and answers about the smallinvoice integration
Is there a Payrexx integration for smallinvoice?
smallinvoice integrates Payrexx as a payment solution so that your invoices can contain a payment link through which customers can pay online immediately. The connection is part of the business software and is provided by smallinvoice. The prerequisite is a Payrexx account, which you can open for free.
Can my customers pay smallinvoice invoices online?
Invoices from smallinvoice can be provided with a Payrexx payment link, allowing the amount to be settled directly via card, TWINT, or wallet. This eliminates the detour via bank transfer, and outstanding items are usually settled faster.
Are payments automatically recorded in smallinvoice?
The payment status is reported back from Payrexx to smallinvoice via webhooks, so that paid invoices automatically appear as settled. This saves you the manual reconciliation of bank statements and reduces errors in accounts receivable.
Which payment methods can I offer with smallinvoice and Payrexx?
Via Payrexx, you offer all relevant payment methods on your smallinvoice invoices with a single merchant agreement: Mastercard, Visa, AMEX, Maestro, PayPal, Apple Pay, TWINT, Google Pay, Samsung Pay, PostFinance Card, Invoice, bank transfer, Centi, HeidiPay, WIRpay, Masterpass, Reka and Klarna. Which methods are displayed depends on which ones you have activated in your Payrexx account.
Can I offer TWINT in addition to the QR-bill?
smallinvoice supports the Swiss QR-bill, which continues to be paid via e-banking. In addition, you can offer TWINT, credit cards and wallets via Payrexx, so that your customers can choose between bank transfer and instant payment.
How do I set up Payrexx in smallinvoice?
You open a Payrexx account, create an API key in the Comerciante administration under "API and Integrations" and enter it in the settings of smallinvoice. You then activate the payment link for your invoice templates. If you have any questions about the configuration, the smallinvoice support team will be happy to help you.
How much does it cost to use Payrexx with smallinvoice?
Payrexx does not charge any additional fees for the integration – only a commission per transaction is deducted, which varies depending on the payment method and can be viewed on our pricing page. In addition, there is your smallinvoice subscription and the selected Payrexx plan.
How is the money from payments via smallinvoice paid out?
Payrexx pays out the payments received via smallinvoice invoices directly to your bank account on file. The payout takes place at regular intervals, with transaction fees already deducted. You can find out how payouts work in detail in our documentation.
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Who is smallinvoice with Payrexx suitable for?
The combination is aimed at Swiss SMEs, start-ups, freelancers, and trustees who manage offers, invoices, and payment reminders digitally. Since both solutions host data in Switzerland and cover Swiss payment methods, they are particularly suitable for companies with high requirements for data protection and local payment habits.
How secure is Payrexx for the self-employed and SMEs?
If you process your smallinvoice invoices via Payrexx, every transaction is secured according to the highest global security standard for payment data: Payrexx is fully PCI DSS Level 1 certified. Personal data, both yours and that of your customers, is stored in a GDPR-compliant manner. The 3-D Secure process adds an additional identification step to payments, thereby minimising fraud risks and chargebacks.
