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Most reliable financial data.

Aggregated from stock exchanges, crypto exchanges and forex markers.
*Not all originating sources are shown.

API Key Frequently Asked Questions

How can I use my newly obtained API Key?

Now you can browse through our API Documentation and integrate API according to your needs. Alternatively, you can use our brand new API Query Generator tool to simplify things and get a sense of how it works.

Is Twelve Data API realtime?

Absolutely! All stocks, forex and cryptocurrencies are updated in realtime for all timeframes. Our unique AI provides realtime updates with the most accurate prices, no delays and no waiting.

Which exchanges are supported?

The list is huge! If it’s stocks you’re interested in, we support all US & Canada exchanges with further exchanges being phased in from fall starting with Japan then moving forward to China, Hong Kong, the Eurozone, the UK and India. Stock exchanges list can be accessed here.
Over 150 cryptocurrency exchanges are supported with more being added as new exchanges launch. Cryptocurrency exchanges list can be accessed here.

What time intervals does API support?

We support the following intervals: 1min, 5min, 15min, 30min, 45min, 1h, 2h, 4h, 8h, 1day, 1week, 1month. All time series and all technical indicator can be used with any interval. If you need a different interval, drop us an email at

What are the limits for my free API Key?

You can make up to 500 requests per minute with the free API Key. If you want to hit larger volumes, you can email us at and we will increase the limit according to your neeeds.