Twelve DataStock Market DataMarket data

Stock OHLCV time series by symbol — 1min to 1month

twelvedata.time-series

OHLCV series at any interval from 1min to 1month — the workhorse for charts and analysis

Price: freeAt provider cost
Success rate: —No success-rate data yetNo success-rate data yet
Latency p50: ——
Last verified: Aug 15, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/twelvedata.time-series?symbol=AAPL&interval=1day&outputsize=3Preview

Uses platform quota
Synchronous response
Reads public data

Parameters

Parameter	Type	Required	Description	Example
Query parameters
`symbol`	string	Required		`AAPL`
`end_date`	string	Optional
`interval`	string	Required	1min \| 5min \| 15min \| 30min \| 45min \| 1h \| 2h \| 4h \| 1day \| 1week \| 1month	`1day`
`outputsize`	integer	Optional	number of points, default 30, max 5000	`3`
`start_date`	string	Optional

Query parameters
symbolstringRequired
Example: AAPL
end_datestringOptional
intervalstringRequired
1min | 5min | 15min | 30min | 45min | 1h | 2h | 4h | 1day | 1week | 1month
Example: 1day
outputsizeintegerOptional
number of points, default 30, max 5000
Example: 3
start_datestringOptional

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/twelvedata.time-series?symbol=AAPL&interval=1day&outputsize=3' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/twelvedata.time-series?symbol=AAPL&interval=1day&outputsize=3",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/twelvedata.time-series?symbol=AAPL&interval=1day&outputsize=3", {
  method: "GET",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
  },
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at free, including the service fee.