In this post sharing for Fyers Automated login for AlgoTrading
I have used Fyers API v2
Note: Code has been adjusted to adopt latest changes from Fyers in API
import json
import sys
from hashlib import sha256
from urllib import parse
import pyotp
import requests
from fyers_api import fyersModel
app_secret = "api_secret"
redirect_uri = "redirect_uri"
fyers_id = "fyers_id"
pin = "pin"
client_id = "client_id"
app_id = "app_id"
TOTP_KEY = "TOTP_KEY" # TOTP secret is generated when we enable 2Factor TOTP from myaccount portal
APP_ID_TYPE = "2" # Keep default as 2, It denotes web login
APP_TYPE = "100"
APP_ID_HASH = sha256((client_id + ":" + app_secret).encode('utf-8')).hexdigest()
SUCCESS = 1
ERROR = -1
# API endpoints
BASE_URL = "https://api-t2.fyers.in/vagator/v2"
BASE_URL_2 = "https://api.fyers.in/api/v2"
URL_SEND_LOGIN_OTP = BASE_URL + "/send_login_otp"
URL_VERIFY_TOTP = BASE_URL + "/verify_otp"
URL_VERIFY_PIN = BASE_URL + "/verify_pin"
URL_TOKEN = BASE_URL_2 + "/token"
URL_VALIDATE_AUTH_CODE = BASE_URL_2 + "/validate-authcode"
def send_login_otp(fy_id, app_id):
try:
payload = {
"fy_id": fy_id,
"app_id": app_id
}
result_string = requests.post(url=URL_SEND_LOGIN_OTP, json=payload)
if result_string.status_code != 200:
return [ERROR, result_string.text]
result = json.loads(result_string.text)
request_key = result["request_key"]
return [SUCCESS, request_key]
except Exception as e:
return [ERROR, e]
def generate_totp(secret):
try:
generated_totp = pyotp.TOTP(secret).now()
return [SUCCESS, generated_totp]
except Exception as e:
return [ERROR, e]
def verify_totp(request_key, totp):
try:
payload = {
"request_key": request_key,
"otp": totp
}
result_string = requests.post(url=URL_VERIFY_TOTP, json=payload)
if result_string.status_code != 200:
return [ERROR, result_string.text]
result = json.loads(result_string.text)
request_key = result["request_key"]
return [SUCCESS, request_key]
except Exception as e:
return [ERROR, e]
def verify_PIN(request_key, pin):
try:
payload = {
"request_key": request_key,
"identity_type": "pin",
"identifier": pin
}
result_string = requests.post(url=URL_VERIFY_PIN, json=payload)
if result_string.status_code != 200:
return [ERROR, result_string.text]
result = json.loads(result_string.text)
access_token = result["data"]["access_token"]
return [SUCCESS, access_token]
except Exception as e:
return [ERROR, e]
def token(fy_id, app_id, redirect_uri, app_type, access_token):
try:
payload = {
"fyers_id": fy_id,
"app_id": app_id,
"redirect_uri": redirect_uri,
"appType": app_type,
"code_challenge": "",
"state": "sample_state",
"scope": "",
"nonce": "",
"response_type": "code",
"create_cookie": True
}
headers = {'Authorization': f'Bearer {access_token}'}
result_string = requests.post(
url=URL_TOKEN, json=payload, headers=headers
)
if result_string.status_code != 308:
return [ERROR, result_string.text]
result = json.loads(result_string.text)
url = result["Url"]
auth_code = parse.parse_qs(parse.urlparse(url).query)['auth_code'][0]
return [SUCCESS, auth_code]
except Exception as e:
return [ERROR, e]
def validate_authcode(app_id_hash, auth_code):
try:
payload = {
"grant_type": "authorization_code",
"appIdHash": app_id_hash,
"code": auth_code,
}
result_string = requests.post(url=URL_VALIDATE_AUTH_CODE, json=payload)
if result_string.status_code != 200:
return [ERROR, result_string.text]
result = json.loads(result_string.text)
access_token = result["access_token"]
return [SUCCESS, access_token]
except Exception as e:
return [ERROR, e]
def check_login_status():
user_config = get_user_config()
token_date_json = user_config['fyers']["token_date"]
access_token = user_config['fyers']["access_token"]
# Convert date from json to date object
token_date = datetime.strptime(token_date_json, "%d-%m-%Y")
if token_date.date() != date.today():
access_token = None
return access_token
def get_auth_code():
access_token = check_login_status()
if access_token is not None:
return access_token
# Step 1 - Retrieve request_key from send_login_otp API
send_otp_result = send_login_otp(fy_id=fyers_id, app_id=APP_ID_TYPE)
if send_otp_result[0] != SUCCESS:
print(f"send_login_otp failure - {send_otp_result[1]}")
sys.exit()
else:
print("send_login_otp success")
# Step 2 - Generate totp
generate_totp_result = generate_totp(secret=TOTP_KEY)
if generate_totp_result[0] != SUCCESS:
print(f"generate_totp failure - {generate_totp_result[1]}")
sys.exit()
else:
print("generate_totp success")
# Step 3 - Verify totp and get request key from verify_otp API
request_key = send_otp_result[1]
totp = generate_totp_result[1]
verify_totp_result = verify_totp(request_key=request_key, totp=totp)
if verify_totp_result[0] != SUCCESS:
print(f"verify_totp_result failure - {verify_totp_result[1]}")
sys.exit()
else:
print("verify_totp_result success")
# Step 4 - Verify pin and send back access token
request_key_2 = verify_totp_result[1]
verify_pin_result = verify_PIN(request_key=request_key_2, pin=pin)
if verify_pin_result[0] != SUCCESS:
print(f"verify_pin_result failure - {verify_pin_result[1]}")
sys.exit()
else:
print("verify_pin_result success")
# Step 5 - Get auth code for API V2 App from trade access token
token_result = token(
fy_id=fyers_id, app_id=app_id, redirect_uri=redirect_uri, app_type=APP_TYPE,
access_token=verify_pin_result[1]
)
if token_result[0] != SUCCESS:
print(f"token_result failure - {token_result[1]}")
sys.exit()
else:
print("token_result success")
# Step 6 - Get API V2 access token from validating auth code
auth_code = token_result[1]
validate_authcode_result = validate_authcode(
app_id_hash=APP_ID_HASH, auth_code=auth_code
)
if validate_authcode_result[0] != SUCCESS:
print(f"validate_authcode failure - {validate_authcode_result[1]}")
sys.exit()
else:
print("validate_authcode success")
access_token = validate_authcode_result[1]
update_token(access_token)
print(f"access_token - {access_token}")
return access_token
if __name__ == '__main__':
token = get_auth_code()
fyers = fyersModel.FyersModel(client_id=client_id, token=token, log_path='/tmp/')
print(fyers.orderbook())
This is explained in the below video, leave your feedback in comments.