API Reference — Better I18N

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MCP Tools
Authentication
Project Identifier

Better i18n provides two main APIs:

MCP Tools - For AI assistants (Claude, Cursor, etc.)
REST API - For direct integrations

MCP Tools #

The MCP (Model Context Protocol) server exposes these tools for AI-powered translation management:

Tool	Description
listProjects	List all projects you have access to
getProject	Get project details including languages and namespaces
addLanguage	Add a new target language to a project
listKeys	Get translation keys with search and filters
createKeys	Create new translation keys
updateKeys	Update translations for existing keys
deleteKeys	Soft-delete translation keys
getSyncs	List recent sync operations
getSync	Get details of a specific sync

Authentication #

All API calls require an API key. Get yours from the dashboard.

Bash

# For MCP Server
export BETTER_I18N_API_KEY="your-api-key"

# For REST API
curl -H "Authorization: Bearer your-api-key" \
  https://dash.better-i18n.com/api/...

Project Identifier #

Most tools require a project parameter in org/project format:

JSON

{
  "project": "my-org/my-project"
}

You can find this in your project's i18n.ts config file.