# Twelve Data Support

> Advice and answers from the Twelve Data Team

## Getting started

- [How do I create a Twelve Data account?](https://support.twelvedata.com/en/articles/5544963-how-do-i-create-a-twelve-data-account.md): Learn how to create and verify your Twelve Data account
- [Introduction to Twelve Data](https://support.twelvedata.com/en/articles/5609168-introduction-to-twelve-data.md): Getting started with Twelve Data in easy steps
- [Twelve Data quality standards](https://support.twelvedata.com/en/articles/5549842-twelve-data-quality-standards.md): Service requirements and quality standards description
- [SDKs and libraries](https://support.twelvedata.com/en/articles/5304475-sdks-and-libraries.md): Official and unofficial developer tools
- [Understanding FIGI identifiers](https://support.twelvedata.com/en/articles/13333243-understanding-figi-identifiers.md): Instrument, Composite, and Share Class identifiers explained
- [Twelve Data overview](https://support.twelvedata.com/en/articles/5544954-twelve-data-overview.md): Discover more about what Twelve Data is

## Guides

- [Attribution guidelines for using Twelve Data](https://support.twelvedata.com/en/articles/12647398-attribution-guidelines-for-using-twelve-data.md): Ensuring transparency and compliance when using Twelve Data content
- [Batch API requests](https://support.twelvedata.com/en/articles/5203360-batch-api-requests.md): Learn how to get multiple symbols, endpoints, or technical indicators with a single API query
- [Control over API usage](https://support.twelvedata.com/en/articles/5713553-control-over-api-usage.md): Efficiently monitor your API credit usage
- [Request a new technical indicator](https://support.twelvedata.com/en/articles/5200806-request-a-new-technical-indicator.md): Learn how to request an exclusive indicator
- [Pre/Post-market data](https://support.twelvedata.com/en/articles/5195429-pre-post-market-data.md): Use extended-hours market data to cover pre-market and after-hours sessions
- [Data delays](https://support.twelvedata.com/en/articles/5203307-data-delays.md): Use this guide to understand the typical latency you can expect from the API and WebSocket
- [US equities market data](https://support.twelvedata.com/en/articles/9935903-us-equities-market-data.md): All about sources, coverage, licensing, and usage guide
- [European equities market data](https://support.twelvedata.com/en/articles/12656239-european-equities-market-data.md): How Twelve Data sources EU equities data from Cboe Europe
- [End of day \(EOD\) pricing market data](https://support.twelvedata.com/en/articles/12682324-end-of-day-eod-pricing-market-data.md)
- [Understanding price deviations in commodities and forex data](https://support.twelvedata.com/en/articles/11850499-understanding-price-deviations-in-commodities-and-forex-data.md): Why prices for certain instruments can differ across platforms
- [Why are some securities quoted in smaller currency units?](https://support.twelvedata.com/en/articles/12383853-why-are-some-securities-quoted-in-smaller-currency-units.md): Why some exchanges quote in GBp, ZAc, or ILA instead of GBP, ZAR, or ILS, and how APIs handle it
- [Timezones](https://support.twelvedata.com/en/articles/5745849-timezones.md): Learn about the default timezones for different asset types and how to modify them
- [Forex API v2](https://support.twelvedata.com/en/articles/12520817-forex-api-v2.md): Real-time forex data from 60+ providers, 24/7 access, 1,500+ currency pairs
- [Australian equities market data](https://support.twelvedata.com/en/articles/13001919-australian-equities-market-data.md): Learn how Twelve Data provides access to ASX market data
- [Canadian equities market data](https://support.twelvedata.com/en/articles/15303158-canadian-equities-market-data.md): How Twelve Data sources Canadian equities data from Cboe Canada
- [Why haven't I received my confirmation email?](https://support.twelvedata.com/en/articles/6489024-why-haven-t-i-received-my-confirmation-email.md): Are you still waiting for your confirmation email from Twelve Data? Here's what most likely happened and how to solve the issue.
- [Sign up problems](https://support.twelvedata.com/en/articles/5331024-sign-up-problems.md): Common sign up issues and their solutions
- [Problems with data](https://support.twelvedata.com/en/articles/5183240-problems-with-data.md): Questions and concerns that might arise when analyzing the data
- [Why is historical stock split data missing from the API?](https://support.twelvedata.com/en/articles/10445216-why-is-historical-stock-split-data-missing-from-the-api.md): Troubleshooting missing historical stock split data in the API.
- [Symbol is missing](https://support.twelvedata.com/en/articles/5179026-symbol-is-missing.md): Learn how to locate missing symbols

## FAQs

- [Using coupon code](https://support.twelvedata.com/en/articles/12907203-using-coupon-code.md): Learn how to apply coupon code
- [How to create a request](https://support.twelvedata.com/en/articles/5620512-how-to-create-a-request.md): This article will guide you through the process of creating your first API request
- [How to find all available symbols at Twelve Data](https://support.twelvedata.com/en/articles/5620513-how-to-find-all-available-symbols-at-twelve-data.md): Using reference data you can find all information about symbols, countries, and exchanges
- [How the Composite Currency Feed works](https://support.twelvedata.com/en/articles/12528665-how-the-composite-currency-feed-works.md): Aggregating real-time currency prices from global banks, liquidity providers, and crypto exchanges into a single, accurate, and resilient composite feed.
- [Getting historical data](https://support.twelvedata.com/en/articles/5214728-getting-historical-data.md): Learn how to use the start\_date, end\_date, and outputsize parameters effectively.
- [How to get historical prices](https://support.twelvedata.com/en/articles/5656039-how-to-get-historical-prices.md): Use Twelve Data to fetch historical OHLCV data across instruments and time intervals
- [How to stream the data](https://support.twelvedata.com/en/articles/5620516-how-to-stream-the-data.md): Data streaming via WebSocket
- [Twelve Data and DORA](https://support.twelvedata.com/en/articles/11585326-twelve-data-and-dora.md): Understanding the Digital Operational Resilience Act \(DORA\) in relation to Twelve Data
- [Unsupported data types](https://support.twelvedata.com/en/articles/5179078-unsupported-data-types.md): Discover which methods and endpoints are not available at the moment
- [WebSocket FAQ](https://support.twelvedata.com/en/articles/5194610-websocket-faq.md): Solutions to frequently asked questions and troubleshooting tips
- [Data add-ons](https://support.twelvedata.com/en/articles/10910460-data-add-ons.md): Requesting, licensing, and activating Data add-ons
- [How to request access to ISINs](https://support.twelvedata.com/en/articles/11132744-how-to-request-access-to-isins.md): This article explains how to submit a request for ISIN access through your Twelve Data account
- [Why Close and OHLC prices can differ](https://support.twelvedata.com/en/articles/6374888-why-close-and-ohlc-prices-can-differ.md): Understanding how varying timeframes, data sources, and calculation methods lead to discrepancies in equity closing prices.
- [Are the prices adjusted?](https://support.twelvedata.com/en/articles/5179064-are-the-prices-adjusted.md): Prices are adjusted for splits, excluding intraday movements, with client-side tools available for additional refinements.
- [Can I create a financial calendar like the examples on Investing.com or TradingEconomics?](https://support.twelvedata.com/en/articles/10445235-can-i-create-a-financial-calendar-like-the-examples-on-investing-com-or-tradingeconomics.md): Learn about creating financial calendars and the data available in our supported calendars.

## Spreadsheets add-ons

- [Google Sheets Add-on Installation Guide](https://support.twelvedata.com/en/articles/5702489-google-sheets-add-on-installation-guide.md): Detailed installation process of Google Sheets Add-on
- [Google Sheets Add-on Documentation](https://support.twelvedata.com/en/articles/5702399-google-sheets-add-on-documentation.md): Add-round overview of features in Google Sheets Add-on
- [Excel Add-in \(Windows\) Installation Guide](https://support.twelvedata.com/en/articles/5608058-excel-add-in-windows-installation-guide.md): Advice and instructions for an easy install of Excel Add-in \(Windows\)
- [Excel Add-in \(Windows\) Documentation](https://support.twelvedata.com/en/articles/5705936-excel-add-in-windows-documentation.md): Comprehensive documentation for Excel Add-in \(Windows\)

## Account and billing

- [How do I update my billing details?](https://support.twelvedata.com/en/articles/6489029-how-do-i-update-my-billing-details.md): Did you change your credit card and would like to update this to avoid the expiry of your subscription? We'll explain how to avoid this.
- [How do I upgrade my subscription?](https://support.twelvedata.com/en/articles/6487105-how-do-i-upgrade-my-subscription.md): You can upgrade your Twelve Data subscription at any time and receive all perks from the next tier
- [How do I downgrade my subscription?](https://support.twelvedata.com/en/articles/6544711-how-do-i-downgrade-my-subscription.md): Find out how to downgrade or cancel your subscription
- [US tax information for Twelve Data clients](https://support.twelvedata.com/en/articles/11482944-us-tax-information-for-twelve-data-clients.md): W-8 forms and tax documentation for US clients
- [Trial](https://support.twelvedata.com/en/articles/5335783-trial.md): Experience features of premium plans for free
- [Credits](https://support.twelvedata.com/en/articles/5615854-credits.md): Allocate API and WebSocket credits wisely with the right plan and flexible pricing.
- [Commercial and personal usage](https://support.twelvedata.com/en/articles/5332349-commercial-and-personal-usage.md): Business vs. personal use breakdown
- [Essential customer information for creating invoices](https://support.twelvedata.com/en/articles/10843919-essential-customer-information-for-creating-invoices.md)
- [Where to find the invoices](https://support.twelvedata.com/en/articles/6528431-where-to-find-the-invoices.md): If you need to download your invoice for a certain month this article will show you how to find all the invoices which were billed.
- [Purchasing a subscription with perks](https://support.twelvedata.com/en/articles/11151483-purchasing-a-subscription-with-perks.md): Learn how to purchase a Twelve Data subscription with perks for students, startups, and social referrals. Save easily on your plan!
- [Non-profit organisation subscription](https://support.twelvedata.com/en/articles/11116616-non-profit-organisation-subscription.md): Apply for free access to Twelve Data plans if you're a non-profit using data for education, research, or social good.
- [Unlimited & extended plans](https://support.twelvedata.com/en/articles/5331011-unlimited-extended-plans.md): Options for exceeding plan limits include upgrades or add-ons
- [How taxes work on Twelve Data subscriptions](https://support.twelvedata.com/en/articles/15136419-how-taxes-work-on-twelve-data-subscriptions.md): This article explains how taxes are applied to Twelve Data subscription payments depending on your plan type and payment method