For Software as a Service (SaaS) solutions, Vertex Release Notes communicate changes in behavior, enhancements, and features. In each release, Vertex also improves performance and quality and remediates security vulnerabilities. Release Notes are available on the Vertex Developer Network for all customers regardless of license. For specific information about a specific case, visit the Support section of Vertex Community or contact Customer Support.

Here are the enhancements and resolutions we released for the service in 2026.

July 23

Version: 2026.18 (v3.0)

Updated German local tax number validation to use the new source provided through the German Federal Central Tax Office API, replacing the previous source.
Updated validation responses to include the country code used during validation.
Updated validation to use the production HMRC endpoint for United Kingdom tax number validation.
Improved invoice processing by automatically retrying failed invoice calls as quotation calls in some cases.
Updated Standalone Vertex Invoice IQ to use customer-provided sales, taxes, and total amounts as authoritative values when supplied in the ingestion payload.
Updated foreign exchange rates pipelines to retrieve exchange rates directly from the fx-rates component, eliminating its indirect dependency on Vertex VAT Compliance Service.
Fixed an issue where Thailand tax number validation failed when the service was unavailable.
Fixed security vulnerabilities in the service.
Removed the legacy reporting settings and related test data from Vertex O Series Online Commerce.

July 14

Version: 2026.17 (v1.0, v2.0)

Added tax calculation and limited reporting for Sri Lanka to support customer compliance during the transition to Vertex O Series Online Commerce.
Added a retry option for failed webhooks, allowing operations teams to resend webhooks.
Improved report scheduling to support exact report times and reschedule weekend reports.

July 2

Version: 2026.16

Added automatic fallback for VIES tax number validation to an alternative endpoint when the primary service is overloaded, ensuring uninterrupted validation.

June 4

Version: 2026.15 (v3.0)

Released Vertex O Series Online Commerce.
Added Customer Location Determination, Liability Determination, and Reporting Capabilities.
Added Integrated Vertex Invoice IQ and Integrated Vertex Validator.

June 1

Version: 2026.13 (v1.0, v2.0)

Added support for multiple filing types for the same country or region in the VAT Compliance Service.
Added advanced payment routing in VAT Compliance Service to direct payments to the correct bank account and payee based on the filing type, taxpayer, and country or region.
Improved file tracking to include all files sent, received, or uploaded by users, including tax reports.
Improved message tracking to include messages created by users in addition to received messages.
Updated the VAT Compliance Service tax filing period filter to remain visible and accessible.
Updated validator cache expiry to a maximum of 30 days to support compliance requirements.
Fixed an issue causing transactions created through PayPal checkout in sandbox to remain in an unconfirmed status instead of being automatically confirmed.
Fixed Laos tax number normalization to preserve the last three digits during validation.
Fixed declaration processing for countries with subdivisions, such as Canada.

May 18

Version: 2026.14 (v3.0)

Restored the Saudi Arabia foreign exchange rates integration after changes to the Saudi Central Bank (SAMA) website prevented new rates from being fetched.
Fixed an issue where validation could enter an indefinite retry loop when processing messages containing external service warnings. Validation errors are now correctly handled and routed.
Fixed an issue with India Goods and Services Tax Identification Number (GSTIN) validation service failures by migrating to the india-ey-gstin provider and removing the CAPTCHA-solving dependency.

May 6 (hotfix)

Version: 2026.10 (v3.0)

Added transactionId, originalTransactionId, and lineItemNumber fields to the audit report.
Added support for user-provided invoice numbers in Vertex Invoice IQ.
Added the product delivery interface to the direct_seller_owner role.
Fixed an issue that prevented access to the product delivery interface in Vertex Invoice IQ without Vertex for e-Commerce or Vertex for Marketplaces.
Fixed an issue that incorrectly routed Vertex Validator merchants with the new segment type from the production environment to the sandbox environment.

April 29

Version: 2026.9 and 2026.11 (v1.0, v2.0)

Fixed an issue that prevented credit notes from being generated correctly in Vertex Invoice IQ.
Improved security by addressing an exposed administrative interface.
Updated validator cache expiry to a maximum of 30 days to support compliance requirements.
Updated India tax rounding logic to improve tax calculation.
Updated ISO country codes for territories in India to align with official ISO standards.

March 30

Version: 2026.8 (v3.0)

Updated logging to mask passwords in the provider URLs, replacing them with one-way hashed values.
Updated invoice numbering in India to restart the count on April 1 every year.

March 19

Version: 2026.6 (v1.0, v2.0)

Updated Swiss business-to-business (B2B) validation to use the official Swiss public web service.
Updated country and region determination logic in Vertex Validator.
Fixed an issue with incorrect tax amount rounding calculations across multiple countries and regions.
Fixed an issue where search filters stopped returning results after a transaction key was removed.
Fixed an issue where external unique IDs exceeding the 50-character limit caused request errors.
Fixed an issue where webhook retries could incorrectly lock transactions after a timeout.

March 9

Version: 2026.7 (v3.0)

Added support to send product commodity codes and types to Vertex O Series for HSN-based tax calculation in Vertex for Marketplaces.
Added support for a new India Goods and Services Tax Identification Number (GSTIN) validation service with real-time validation, status, business name, and address data across all endpoints.
Fixed an issue where European Union (EU) business-to-business (B2B) transactions were not tax-exempt when the buyer's tax number was provided in the buyer-tax-numbers field.
Fixed an issue where schedule validator reports failed when the Valid (syntax) option was selected in the Validation Statuses field.
Added support for the BQ country code for the Caribbean Netherlands by mapping it to the Vertex country code VX4 to reduce transaction errors.
Updated the Italian domestic CAPTCHA provider to use syntax-check validation by default, while allowing European Union (EU)-level settings to override this behavior.
Updated the user interface to record which user changes a merchant setting.

February 16 (hotfix)

Version: 2026.5 (v3.0)

Updated United Kingdom tax number validation to use HMRC's new API across all validation endpoints.

February 12

Version: 2026.1 (v1.0, v2.0)

Improved Vertex O Series connections by separating partition configurations for environments.
Improved reporting by adding support for line-level custom fields mapped to flexible fields.
Added the last day of the month to India business-to-business (B2B) reports.
Fixed an issue that displayed sandbox notifications in production environments.
Fixed an issue that caused a "request was aborted" error during transaction searches.
Fixed a rounding issue that caused some United States tax calculations to differ by 0.01.

January 29 (hotfix)

Version: 2026.4 (v1.0, v2.0)

Fixed an issue that prevented validation results from being recorded in the database cache.

January 28

Version: 2026.2 (v3.0)

Added support for blocking specific currencies.
Added tax number validation providers for Estonia, Ireland, Poland, Slovenia, and Slovakia.
Added an hourly file-based pipeline to validate and update tax number records from multiple providers.
Added support for blocking specific currencies.
Blocked Bulgarian Lev (BGN) transactions while preserving historical BGN activity.
Improved invoice and refund tax calculations by fixing rounding and currency conversion discrepancies.
Improved Oman tax number validation for consistent results in Standalone Vertex Validator.
Improved merchant settings to ensure they apply consistently.
Improved error logs to display the correct queue name for easier troubleshooting.
Fixed 500 errors in Singapore LILA business-to-consumer (B2C) rules by applying a default threshold method when reference merchant settings are missing.
Fixed an issue where successful tax number validations were not visible to sellers.
Fixed an issue where saving invoice settings converted invoice logo URLs to lowercase.
Increased invoice delivery webhook retries to seven.
Updated business-to-business (B2B) report filenames to label reports by service.
Removed support for the legacy com.taxamo.apparatus.components.http-async-client. Use taxamo.http-client.interface for improved HTTP/2.0 support.

January 21

Version: 2026.3 (v1.0, v2.0)

Added tax number region determination in Vertex Validator to improve validation.
Added support for automatically converting Bulgarian Lev (BGN) to Euro (EUR).
Fixed an issue that caused a NumberFormatException when processing amounts greater than 999.