Introducing the Bolta API

Some links point to the service guide, which is currently available in Korean only.

Bolta is a platform that lets you automate everything from issuing to managing e-tax invoices through a RESTful API.

Key features

Simple data model: An intuitive request/response structure that includes only the essential fields.
Clear error handling: Detailed error codes and messages for fast debugging.
Separate test environment: Test keys prefixed with test_ let you test your integration without connecting to the National Tax Service (NTS).

Getting started

API Reference

Explore the full API endpoint reference.

Issue an API key

Create test and live keys to start your integration.