Webshop and API
An online order or event from your system sends the information needed for the invoice.
For entrepreneurs and organizations
By industry
For collaboration
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Integrations and API
Connect BillKO with your systems.
Connect a webshop, payment gateway, POS terminal, fiscal cash register, or your own application with invoicing, fiscalization, and status.
Integrations and API
Connect BillKO with your systems.
Connect a webshop, payment gateway, POS terminal, fiscal cash register, or your own application with invoicing, fiscalization, and status.
Integrations and API
Connect BillKO with your systems.
Connect a webshop, payment gateway, POS terminal, fiscal cash register, or your own application with invoicing, fiscalization, and status.
Connect the systems you already use.
Connect the systems you already use.
Connect the systems you already use.
POS
Prodaja
Naplata
Fiskalizacija
RAČUN IZDAN
Invoices and eInvoices
BillKO creates the B2C, B2B, or B2G invoice and applies the appropriate fiscalization.
Status and reporting
BillKO creates the B2C, B2B, or B2G invoice and applies the appropriate fiscalization.
Payments and POS
A successful payment can trigger a fiscalized invoice.
BillKO sends an invoice or e-invoice without additional steps.
01
Prepare the document
Convert a quote or a pro-forma invoice into an invoice without re-entering data.
02
BillKO chooses the right course.
The system performs fiscalization or sends a structured e-invoice based on the customer type.
03
The status remains with the account.
Track delivery, fiscalization, and e-reporting right where you work with the document.
BillKO sends an invoice or e-invoice without additional steps.
01
Prepare the document
Convert a quote or a pro-forma invoice into an invoice without re-entering data.
02
BillKO chooses the right course.
The system performs fiscalization or sends a structured e-invoice based on the customer type.
03
The status remains with the account.
Track delivery, fiscalization, and e-reporting right where you work with the document.
Integrations already working with BillKO.
Integrations already working with BillKO.
Integrations already working with BillKO.
See current partners, products, and connection routes.
See current partners, products, and connection routes.
See current partners, products, and connection routes.
Interconnected system
Interconnected system
Displays account, fiscalization, and payment status.
Status and repporting
Status and repporting
The result returns to the connected system and remains available in BillKO.
Connect the systems you already use.
Connect the systems you already use.
Connect the systems you already use.
Sales or collection
Sales or collection
An online order, successful payment, POS sale, register sale, or API call triggers the issuance of an invoice.
BillKO
BillKO
Creates and fiscalizes the invoice and sends it to the customer.
Payment, technology and specialist partners.
Partners connect devices, payments, eCommerce, implementation, and business support with BillKO
Connect BillKO to your systems.
Tell us which system you are connecting, what should trigger invoice issuance, which data you will send and which statuses you want to receive. The BillKO technical team will suggest a connection method and the next step for implementation.
The integration requires customer, line item, price and tax treatment details, as well as payment information and the payment due date. We agree which data your system sends and which comes from BillKO settings based on the invoice type and integration method. The technical team will confirm the exact format and required fields.
Yes. The API can send B2B or B2G invoice data and trigger eInvoice issuance in BillKO. BillKO carries out the appropriate processing and fiscalization, then returns the result to the connected system.
BillKO can return the invoice issuance result and fiscalization, sending and payment statuses to the connected system. The statuses exchanged are determined by the specific process and integration.
You arrange testing with the BillKO team based on the system you are connecting. The BillKO team will be available to help test all the features that matter for your integration.
Contact us with a description of your service, technology or how you help customers. BillKO works with payment, technology, implementation and professional services partners. We will discuss possible ways to work together based on your proposal.
Connect BillKO to your systems.
BillKO is business software for B2C, B2B and B2G invoices, quotes, advance invoices, Fiscalization 1.0 and 2.0, and sending and receiving eInvoices. It connects payment collection, POS, eCommerce, the API and reports.
Sole traders, companies, associations, accommodation providers, accounting firms and other businesses registered in Croatia.
BillKO is used on computers and mobile devices, and the Android app supports the POS and mobile use cases described on the product page.
Connect BillKO to your systems.
BillKO is business software for B2C, B2B and B2G invoices, quotes, advance invoices, Fiscalization 1.0 and 2.0, and sending and receiving eInvoices. It connects payment collection, POS, eCommerce, the API and reports.
Sole traders, companies, associations, accommodation providers, accounting firms and other businesses registered in Croatia.
BillKO is used on computers and mobile devices, and the Android app supports the POS and mobile use cases described on the product page.
What do you want to connect?
Describe the system you are connecting, what triggers the invoice, and which status you need back. The technical team will suggest the next step.
What do you want to connect?
Describe the system you are connecting, what triggers the invoice, and which status you need back. The technical team will suggest the next step.
What do you want to connect?
Describe the system you are connecting, what triggers the invoice, and which status you need back. The technical team will suggest the next step.