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

Installation
Node.js 20.0.0 or later is required.
Authentication setup
Set your API key with an environment variable or a CLI command.Authentication resolution priority: CLI flag (
--api-key) > environment variable (BOLTA_API_KEY) > config file (~/.bolta/config.json)Commands
Issuer management
Theissuer command registers and retrieves issuers used for tax invoice issuance.
Certificate management
Tax invoice issuance / retrieval
Replace everyYYYY-MM-DD placeholder in the examples below with the actual issuance or amendment date before running the command.
Amendment
The CLI first validates standard issuance, reverse issuance requests, and change-in-supply-cost amendment inputs using the same rules as the API. Check the latest schema with
bolta schema invoice-issue.Configuration
Input methods
Commands that require data support three input methods.Global options
Output format
The CLI prints every response as JSON to stdout.Error codes
AI guide
The CLI provides the following guides for AI agents.npm
npm package page
