Yahoo Finance

Overview

Look up stock quotes and historical prices from AI clients. Search tickers, read the latest price and change, and pull OHLCV history.

Yahoo no longer offers a public stock API. This integration uses Twelve Data so the hub has a documented, authenticated REST API. Prices can be delayed depending on the symbol and plan. This is not a brokerage and not investment advice. Not affiliated with or endorsed by Yahoo.

Prerequisites

• A stackgate.ai account
• A Twelve Data API key or access to a hub configured with a shared Twelve Data key

Getting credentials

Option A - Hub-wide key (no personal key needed)

If your stackgate.ai operator has configured a hub-wide Twelve Data API key, you can activate this integration without entering any credentials:

1. Open Integrations → Yahoo Finance.
2. Click Connect & enable without filling in the API key field.

All users without a personal override share the hub key's credits and daily hub fair-use limits.

Option B - Personal Twelve Data API key

Use your own Twelve Data credits:

1. Sign up at Twelve Data (free plan, no credit card).
2. Copy your API key from the dashboard.
3. In stackgate.ai, open Integrations → Yahoo Finance.
4. Paste your key in Twelve Data API key (optional override) and click Connect & enable.

See Twelve Data authentication for plan differences.

Using with AI clients

• Dedicated endpoint: POST /mcp/yahoo-finance with a Sanctum bearer token
• Private gateway: use yahoo-finance__* namespaced tools (for example yahoo-finance__get_quote)

See Documentation for HTTP authentication and private gateway setup.

Typical workflow: search symbols → get quote → get price history.

Troubleshooting

• 422 integration not configured - activate Yahoo Finance under My Integrations. If no hub key is configured, you must provide a personal Twelve Data API key.
• 401 Unauthorized - your Twelve Data API key is invalid. Copy a fresh key from the Twelve Data dashboard.
• 429 Too many requests / Hub quota exceeded - you hit Twelve Data's rate limit or the stackgate.ai hub daily fair-use limit. Wait and retry, or add your own Twelve Data API key under My Integrations.
• Symbol not found - verify the ticker from search_symbols. Exchange suffixes matter (for example NOVO-B).
• Delayed prices - treat quotes as recent market data, not a live trading feed. Use Saxo Bank if you need to place orders.
• Attribution - market data comes from Twelve Data. Follow their API terms when publishing products on this data.