Twelve Data

24 actions available for Twelve Data through StackOne. Use via Actions RPC, Toolset SDK, MCP, or A2A.

Twelve Data

24 actions · 1 auth method

PreviewFinance

Authentication

API Key

Uses a personal API key sent in the Authorization header. No app registration required. Keys are issued instantly with a…

Guides: Connector Profile, Link Account

Actions

24 actions

Action

Description

List Technical Indicators

twelvedata_list_technical_indicators

List all technical indicators supported by Twelve Data with their parameters and output values

Get RSI

twelvedata_get_rsi

Get Relative Strength Index values for an instrument at a chosen interval

Get MACD

twelvedata_get_macd

Get Moving Average Convergence Divergence values for an instrument at a chosen interval

Get SMA

twelvedata_get_sma

Get Simple Moving Average values for an instrument at a chosen interval

Get EMA

twelvedata_get_ema

Get Exponential Moving Average values for an instrument at a chosen interval

Get Bollinger Bands

twelvedata_get_bbands

Get Bollinger Bands values for an instrument at a chosen interval

Get Price

twelvedata_get_price

Get the latest price for a stock, forex pair, or cryptocurrency

Get Quote

twelvedata_get_quote

Get the latest quote with OHLC, volume, and 52-week range for an instrument

Get Time Series

twelvedata_get_time_series

Get historical OHLCV bars for an instrument at a chosen interval

Get End Of Day Price

twelvedata_get_eod

Get the latest end-of-day closing price for an instrument

Get Exchange Rate

twelvedata_get_exchange_rate

Get the real-time exchange rate for a currency pair

Convert Currency

twelvedata_convert_currency

Convert an amount between two currencies using the real-time exchange rate

Search Symbols

twelvedata_search_symbols

Search instruments by ticker or name across all asset classes

List Stocks

twelvedata_list_stocks

List available stock symbols, filterable by symbol, exchange, or country

List Forex Pairs

twelvedata_list_forex_pairs

List available forex pairs, filterable by symbol or currency

List Cryptocurrencies

twelvedata_list_cryptocurrencies

List available cryptocurrency pairs, filterable by symbol, exchange, or currency

List ETFs

twelvedata_list_etfs

List available exchange-traded funds, filterable by symbol, country, fund family, or fund type

List Exchanges

twelvedata_list_exchanges

List available equity exchanges, filterable by asset type, name, MIC code, or country

List Cryptocurrency Exchanges

twelvedata_list_cryptocurrency_exchanges

List available cryptocurrency exchanges

Get Market State

twelvedata_get_market_state

Get the current open or closed state of stock exchanges with time to next open or close

List Countries

twelvedata_list_countries

List countries with their ISO codes, capitals, and currencies

List Instrument Types

twelvedata_list_instrument_types

List all available financial instrument types

Get Earliest Timestamp

twelvedata_get_earliest_timestamp

Get the earliest available datetime for an instrument at a given interval

Get API Usage

twelvedata_get_api_usage

Get the current API credit usage and plan limit for the connected key

Getting Started

1. Create or Select a Project

   Set up a new project or select an existing one. See the Projects Guide.

2. Configure the Connector

   Enable the connector and set up a connector profile in your project. See Managing Connectors.

   

   Connector Profile

   Twelve Data - API Key

3. Link an Account

   Connect an account using StackOne Hub or Auth Link.

   

   Link Account

   Twelve Data - API Key

4. Use Actions

   Invoke actions using one of the methods below:

   • MCP – Model Context Protocol for AI assistants
   • A2A – Agent-to-Agent protocol
   • AI Toolset (TypeScript) – TypeScript SDK for AI agents
   • AI Toolset (Python) – Python SDK for AI agents
   • Actions RPC – Direct API calls
   • Playground – Test actions in the dashboard