async function httpsPost(registrationNumber, body) {
await fetch(`https://api.qvalia.com/transaction/${registrationNumber}/invoices/outgoing`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: '412ee738......d3e469a7'
},
body
});
};
Start building
Our invoicing API offers flexible integration options and full support from our onboarding team to ensure quick implementation.
Connect the invoicing API to all major platforms, ERP systems, and accounting software.
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Electronic invoices and more via API
Enhance your process with the business messages you need. Our invoicing API keeps you updated with the latest formats and supports your compliance. Add streams and messages that suit your needs – from Peppol and EDI to Internet bank invoices for individuals. Support for EN16931 and UBL-based formats.
- BIS Billing
- BIS Billing Credit Note
- OIOUBL
- Elektronisk handelsformat
- Xrechnung
- BIS Invoice Response
- BIS Order Only
- BIS Ordering
- BIS Advanced Ordering
- BIS Catalogue with response
- BIS Catalogue without response
- BIS Despatch Advice
- BIS Punch Out
- BIS Order Agreement
- BIS Message Level Response
- B2C internet bank
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Solutions for platforms
Enable efficient management of invoices and other business messages for your end users. Our partner API offers flexible opportunities for tailored solutions.
Simplified & scalable invoicing API
We provide fast, scalable, developer-friendly, cost-efficient access to electronic invoicing and document management. Seamlessly integrate all your electronic documents into your IT infrastructure. Learn more about our invoicing solutions and how to get started.
Invoicing API sandbox
Test and validate our invoicing API without operational risks. We provide a risk-free sandbox environment for comprehensive testing.
ERP connectors
Simplified logging of invoices in your ERP without coding. Integrate with common systems using our ready-made connectors.
Documented invoicing API
Batch and asynchronous WS integration. Support for SOAP and RESTful over HTTPS.
Peppol access
Exchange messages via the Peppol network, standardized UBL formats, and send B2C to internet banks.
E-commerce ready
B2B checkout widget with e-invoicing support. Easy integration into WooCommerce and other e-commerce platforms.
System status
Track record of optimal availability. We guarantee a 99.98% availability level.
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Get in touch
Qvalia is a platform to manage, automate, and visualize sales and purchase transactions.
Exchange e-invoices, e-orders and more. Gain efficient Peppol access and multichannel EDI. Get connected efficiently via API.
Our customers transform processes and achieve full control over transactional data and get deeper insights at the line-item level. Contact us to see how we can optimize your processes.
Create, send & receive electronic business documents efficiently
AI-powered data enrichment
Digitize and streamline your processes