Acumulus
The Acumulus plugin connects your Woocommerce store to the Dutch SIEL Acumulus online financial administration application.
Acumulus ranks #11,296 among WordPress.org plugins with 200+ active installations, a 4.7/5 rating from 26 reviews, and was last updated Nov 4, 2025. Data from WordPress.org, refreshed twice daily — see methodology.
Next Milestone 300
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Security History
Source: WPVulnerabilityNo known vulnerabilities on record for Acumulus. Checked 1 month ago.
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- Version
- trunk
- Last Updated
- Nov 04, 2025
- Requires WP
- 5.9+
- Tested Up To
- 6.8
- PHP Version
- 8.1 or higher
- Author
- SIEL Acumulus
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 4.7
- Reviews
- 26
- Support Threads
- 0
- Resolved
- 0%
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TL;DR
AI summary of the plugin's readmeThis plugin is for WooCommerce store owners in the Netherlands who use SIEL Acumulus for their financial administration. It automates sending invoices from the webshop to Acumulus, either automatically on order status changes or via a batch send form, reducing manual, error-prone work.
- Connects WooCommerce to Acumulus
- Reacts to order status changes
- Register admin screen
- Settings admin screen
- Advanced settings admin screen
- Batch send screen
- Invoice status meta box on order screen
- No front-end UI interference
Frequently Asked Questions
Common questions about Acumulus