API Reference
Backtest Management
Request
Information required to update the tags collection for a backtest. The /backtests/tags/update
API accepts requests in the following format:
UpdateBacktestTagsRequest Model - Updates the tags collection for a backtest. | |
---|---|
projectId | integer Project Id for the backtest we want to update. |
backtestId | Backtest Id we want to update. /. |
tags | string Array Array of the new backtest tags. |
Example |
{ "projectId": 23456789, "backtestId": "26c7bb06b8487cff1c7b3c44652b30f1", "tags": [ "string" ] } |
Responses
The /backtests/tags/update
API provides a response in the following format:
200 Success
RestResponse Model - Base API response class for the QuantConnect API. | |
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success | boolean Indicate if the API request was successful. |
errors | string Array List of errors with the API call. |
Example |
{ "success": true, "errors": [ "string" ] } |
401 Authentication Error
UnauthorizedError Model - Unauthorized response from the API. Key is missing, invalid, or timestamp is too old for hash. | |
---|---|
www_authenticate | string Header |
Examples
The following example demonstates creating, reading, updating, deleting, and listing backtests of a project through the cloud API.
from base64 import b64encode from hashlib import sha256 from time import time from requests import get, post BASE_URL = 'https://www.quantconnect.com/api/v2/' # You need to replace these with your actual credentials. # You can request your credentials at https://www.quantconnect.com/settings/ # You can find our organization ID at https://www.quantconnect.com/organization/ USER_ID = 0 API_TOKEN = '____' ORGANIZATION_ID = '____' def get_headers(): # Get timestamp timestamp = f'{int(time())}' time_stamped_token = f'{API_TOKEN}:{timestamp}'.encode('utf-8') # Get hased API token hashed_token = sha256(time_stamped_token).hexdigest() authentication = f'{USER_ID}:{hashed_token}'.encode('utf-8') authentication = b64encode(authentication).decode('ascii') # Create headers dictionary. return { 'Authorization': f'Basic {authentication}', 'Timestamp': timestamp } # Authenticate to verify credentials response = post(f'{BASE_URL}/authenticate', headers = get_headers()) print(response.json()) # -------------------- ### Create Backtest # Define placeholder compilation ID (replace with actual value) compile_id = "compile_id..." # Send a POST request to the /backtests/create endpoint to create a backtest response = post(f'{BASE_URL}/backtests/create', headers=get_headers(), json={ "projectId": project_id, # ID of the project to backtest "compileId": compile_id, # Compilation ID for the backtest "backtestName": f"Backtest {int(time())}" # Unique name for the backtest using current timestamp }) # Parse the JSON response into python managable dict result = response.json() # Extract the backtest ID from the response backtest_id = result['backtest']['backtestId'] # Check if the request was successful and print the result if result['success']: print("Backtest Created Successfully:") print(result) ### Read Backtest Statistics # Prepare data payload to read backtest statistics payload = { "projectId": project_id, # ID of the project "backtestId": backtest_id # ID of the backtest to read } # Send a POST request to the /backtests/read endpoint to get statistics response = post(f'{BASE_URL}/backtests/read', headers=get_headers(), json=payload) # Parse the JSON response into python managable dict result = response.json() # Check if the request was successful and print the statistics if result['success']: print("Backtest Statistics:") print(result) ### Update Backtest # Send a POST request to the /backtests/update endpoint to update backtest details response = post(f'{BASE_URL}/backtests/update', headers=get_headers(), json={ "projectId": project_id, # ID of the project "backtestId": backtest_id, # ID of the backtest to update "name": f"Backtest_{backtest_id}", # New name for the backtest "note": "The new backtest name is awesome!" # Additional note }) # Parse the JSON response into python managable dict result = response.json() # Check if the request was successful and print the result if result['success']: print("Backtest Updated Successfully:") print(result) ### Delete Backtest # Prepare data payload to delete the backtest payload = { "projectId": project_id, # ID of the project "backtestId": backtest_id # ID of the backtest to delete } # Send a POST request to the /backtests/delete endpoint to delete the backtest response = post(f'{BASE_URL}/backtests/delete', headers=get_headers(), json=payload) # Parse the JSON response into python managable dict result = response.json() # Check if the request was successful and print the result if result['success']: print("Backtest Deleted Successfully:") print(result) ### List Backtests # Prepare data payload to list backtests with statistics payload = { "projectId": project_id, # ID of the project "includeStatistics": True # Include statistics in the response } # Send a POST request to the /backtests/list endpoint to list backtests response = post(f'{BASE_URL}/backtests/list', headers=get_headers(), json=payload) # Parse the JSON response into python managable dict result = response.json() # Check if the request was successful and print the list if result['success']: print("List of Backtests:") print(result)