n8n-nodes-tossinvest

n8n community node package for the Toss Securities Open API.

Features

• OAuth2 client credentials token exchange handled inside the node.
• Market data: orderbook, prices, trades, price limits, candles.
• Stock info: stocks and active stock warnings.
• Market info: KRW/USD exchange rate, KR/US market calendars.
• Account and asset: accounts and holdings.
• Orders: create, modify, cancel, list, detail, buying power, sellable quantity, commissions.

Credentials

Create a Toss Invest API credential in n8n with:

• Client ID
• Client Secret
• Optional Default Account Sequence, used for account, asset, order, and order info APIs.
• Optional Base URL, defaulting to https://openapi.tossinvest.com.

You can get accountSeq from the Account > Get Many operation and reuse it in the credential or node parameter.

Local Development

pnpm install
pnpm run lint
pnpm run build

Run the node package in a local n8n development instance:

pnpm run dev

The local .env file is intentionally ignored. For manual API smoke tests, expected variable names are:

client_id=...
client_secret=...

Documentation

• Toss Open API docs: https://developers.tossinvest.com/docs
• API base URL: https://openapi.tossinvest.com
• n8n community node build docs: https://docs.n8n.io/integrations/community-nodes/build-community-nodes/

Release

This package includes GitHub Actions workflows for CI and npm publishing with provenance. Configure the npm package as a trusted publisher for .github/workflows/publish.yml, or add an NPM_TOKEN repository secret as a fallback.

Create a release by running:

pnpm run release

Publishing runs when a GitHub Release is published, or manually through the Publish workflow.