Embed federal extension filing directly into your product. Generate filings, submit them, and surface filing status in real time.
Built for businesses, professionals, and platforms that manage tax extensions at scale.
Offer extension e-filing inside your workflow so customers stay compliant without leaving your app.
Streamline multi-client extension prep, submission, and tracking with one integration.
Manage extensions across multiple entities with centralized status visibility and receipts.
Integrate extension e-filing into your platform in four simple steps.
Log in securely to get your access token and connect your application to the EZExtension API.
Use the API to create filers or entities, prepare extension records, and validate the data before submission.
Complete the filing workflow, apply payment where needed, and generate the filing record for submission.
Fetch filing details and status through the API so users can view progress directly inside your product.
E-file federal tax extension forms to the IRS—built for embedded product workflows.
Pull acceptance/rejection updates on demand and via webhooks for real-time visibility.
Encrypted transmission, controlled access, and audit-friendly filing history.
