Twelve Data

Team

Nuances & advanced skills for working with API

Guides

Efficiently monitor your API credit usage

Control over API usage

Learn how to get multiple symbols, endpoints, or technical indicators with a single API query to improve performance and simplify management

Bulk requests

The API imposes specific restrictions on minute and daily data usage.

API credits limits

Learn how to become eligible to request new exclusive indicators.

New technical indicators

Solutions to frequently asked questions and troubleshooting tips

WebSocket FAQ

Learn how to connect your app to Twelve Data APIs 

API integration

Learn more about market data during extended trading hours

Pre/Post-market data

Learn how to use the `&start_date`, `&end_date`, and `&outputsize` parameters effectively.

Getting historical data

Explore the availability of fundamentals across different countries.

Fundamentals coverage

Discover the depth of historical data available for requests.

Historical data

Understanding non-price data: reference, fundamental, and analytics endpoints

What is non-price data?

View the average latency for both API and WebSocket connections.

Data delays

Prices are adjusted for splits, excluding intraday movements, with client-side tools available for additional refinements.

Are the prices adjusted?

Understanding how varying timeframes, data sources, and calculation methods lead to discrepancies in equity closing prices.

Why Close and OHLC prices can differ

Best practices for handling, interpreting and displaying market data

Data usage 

Symbol is missing

Learn about the default timezones for different asset types and how to modify them

Timezones

Discover the difference in access for international markets

What are Level A, B, & C markets?

Overview of supported exchanges, symbols and market specifics

Exchanges

This article will guide you through the process of creating your first API request

How to create a request

Using reference data you can find all information about symbols, countries, and exchanges

How to find all available symbols at Twelve Data

Discover how to get the historical data across all instruments

How to get historical prices

How to stream the data

Are you still waiting for your confirmation email from Twelve Data? Here's what most likely happened and how to solve the issue.

Why haven't I received my confirmation email?

Questions and concerns that might arise when analyzing the data

Problems with data

Troubleshooting missing historical stock split data in the API.

Why is historical stock split data missing from the API?

Step-by-step guides to help you navigate and use the platform effectively

Troubleshooting

Market Data

Spreadsheets

About

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