Gemini

Gemini historical market data details - currency pairs, data coverage and data collection specifics
Gemini exchange historical data for all it's currency pairs is available since 2019-08-30. 
Click link below to see more details.
https://api.tardis.dev/v1/exchanges/gemini
api.tardis.dev
See Gemini historical data coverage: available symbols, channels, date ranges and incidents
​
Captured real-time channels 
Click any channel below to see HTTP API response with historical data recorded for it.
​trade​
​l2_updates​
auction_open
auction_indicative
auction_result
​
API Access and data format
Historical data format is the same as provided by real-time Gemini WebSocket Market Data Version 2 API with addition of local timestamps. If you'd like to work with normalized data format instead (same format for each exchange) see downloadable CSV files or official client libs that can perform data normalization client-side.
Python
Node.js
cURL & HTTP API
cURL & tardis-machine
Python
# pip install tardis-client
import asyncio
from tardis_client import TardisClient, Channel
tardis_client = TardisClient(api_key="<YOUR_API_KEY>")
​
async def replay():
  # replay method returns Async Generator
  messages = tardis_client.replay(
    exchange="gemini",
    from_date="2020-01-01",
    to_date="2020-01-02",
    filters=[Channel(name="l2_updates", symbols=["BTCUSD"])]
  )
​
  # messages as provided by Gemini real-time stream
  async for local_timestamp, message in messages:
    print(message)
​
​
asyncio.run(replay())
See Python client docs.
Node.js
// npm install tardis-dev
const { replay } = require('tardis-dev');
​
async function run() {
  try {
    const messages = replay({
      exchange: 'gemini',
      from: '2020-01-01',
      to: '2020-01-02',
      filters: [{ channel: 'l2_updates', symbols: ['BTCUSD'] }],
      apiKey: '<YOUR_API_KEY>'
    });
​
    // messages as provided by Gemini real-time stream
    for await (const { localTimestamp, message } of messages) {
      console.log(localTimestamp, message);
    }
  } catch (e) {
    console.error(e);
  }
}
​
run();
See Node.js client docs.
cURL & HTTP API
curl -g 'https://api.tardis.dev/v1/data-feeds/gemini?from=2020-01-01&filters=[{%22channel%22:%22l2_updates%22,%22symbols%22:[%22BTCUSD%22]}]&offset=0'
https://api.tardis.dev/v1/data-feeds/gemini?from=2020-01-01&filters=[{%22channel%22:%22l2_updates%22,%22symbols%22:[%22BTCUSD%22]}]&offset=0
api.tardis.dev
Example API response for Gemini historical market data request
See HTTP API docs.
cURL & tardis-machine
curl -g 'localhost:8000/replay?options={"exchange":"gemini","filters":[{"channel":"l2_updates","symbols":["BTCUSD"]}],"from":"2020-01-01","to":"2020-01-02"}'
​Tardis-machine is a locally runnable server that exposes API allowing efficiently requesting historical market data for whole time periods in contrast to HTTP API that provides data only in minute by minute slices.
See tardis-machine docs.
​
Downloadable CSV files
See CSV data exports.
​
Official Gemini API docs
Gemini WebSocket API Reference
docs.gemini.com
Gemini exchange WebSocket API docs
​
Gemini exchange servers are located in Equinix NY5 data center (Secaucus, New Jersey).
​
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