Developer Portal | Vertex Inc.

Vertex Developer Network

Welcome to the Vertex Developer Network. Select a Vertex product and start integrating immediately with:
  • Interactive requests and responses
  • Tailored guides with guided examples
  • OpenAPI specifications
Vertex Inc. Tax Technology at the speed of business

Vertex APIs

  • Vertex O Series

    The Vertex O Series REST APIs give you access to tax calculations, tax configuration, transaction synchronization, tax area lookups, and online commerce.

  • Vertex e-Invoicing

    Upload invoices for submission and support multi-country digital reporting requirements with Vertex e-Invoicing APIs.

  • Vertex VAT Compliance

    A Vertex secure file upload service provides an API-driven method for uploading customer data files into VAT Compliance.

  • Solution Reporting

    Secure endpoints to list, schedule, and retrieve reports and templates with pre‑signed download links. Automate reporting workflows by managing report definitions and schedules programmatically.

  • Vertex Certificate Center

    Search, create, and edit certificate and customer records using Vertex Certificate Center APIs.

  • Vertex Smart Categorization

    Automate and streamline product tax categorization with generative AI and Human-in-the-loop guidance.

  • Vertex Payroll Tax

    Calculate payroll tax for employees across the United States and Canada with Vertex Payroll Tax APIs.

  • Vertex for e-Commerce and Marketplaces

    The REST APIs that support the features in Vertex for e-Commerce, Vertex for Marketplaces, Vertex Invoice IQ, and Vertex Validator.

  • Vertex for Shopify

    The Vertex for Shopify integration provides tax calculations for sales, use, and global value added tax for your business and consumer e-commerce transactions. Easy setup and seamless integration streamline your transactions and improve compliance.