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Documentation Index

Fetch the complete documentation index at: https://invopop-kill-invoicexpress.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

Invopop apps extend the platform’s core functionality by connecting to government systems, third-party services, and automation tools. Each app integrates seamlessly into your workflows, enabling you to submit invoices to tax authorities, send notifications, generate PDFs, and sync with your existing business tools. Recent regulation enforcements
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Peppol

Belgium’s B2B mandate came into effect January 2026.
Upcoming regulation enforcements
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AT Portugal

Portugal’s B2B enforcement comes January 2026. Get prepared today.
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VERI*FACTU Spain

Spain’s B2B enforcement comes January 2027. Get prepared today.
Integrations
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ChargeBee

View app →
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Stripe

View app →
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Netsuite

View app →
Highlights
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Email

It’s always ham and never spam when an invoice drops into your email.
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Slack

Notifications about your invoicing operation now reach the virtual water cooler.
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PDF Generator

From valid GOBL to compliant invoice in a single workflow step.
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Google Drive

Store your invoices and attached data into Google’s virtual locker.