Skip to main content
Listen aloud is not supported in this browser.

Angel One (SmartAPI)

Connect Angel One using SmartAPI key, client ID, password, and TOTP login.

How to get here

Navigation: Brokers › Add new Account › Angel One (SmartAPI)

Prerequisites (Angel One SmartAPI)​

  • Active Angel One trading account
  • Enable SmartAPI on the Angel One developer portal
  • Create an app and copy the API Key
  • Enable TOTP on your Angel One account (required for login)
  • Have your Client ID, trading password, and current TOTP code ready
  • No OAuth redirect URL — login uses SmartAPI password + TOTP flow
Password and TOTP

Your Angel One password and TOTP are used only for the login request to obtain tokens. They are not stored on ATPAlgo servers.

Step 1 — Open Add Broker and name the account​

  1. Go to Brokers › Add new Account (open Add Broker).
  2. Enter a display name and click Next.

Angel One add broker step 1

Step 1: Account display name.

Step 2 — Select Angel One​

  1. Select Angel One from the broker grid (must be enabled for your tenant).
  2. Click Next.

Angel One add broker step 2

Step 2: Select Angel One.

Step 3 — Enter SmartAPI credentials​

  1. Enter API Key (from SmartAPI portal).
  2. Enter Client ID.
  3. Enter Password and current TOTP token.
  4. Click Next.

Angel One add broker step 3

Step 3: API Key, Client ID, password, and TOTP.

Step 4 — Login to SmartAPI​

  1. Click Login to AngelOne.
  2. Wait for Authenticated status (JWT + refresh token obtained).
  3. Click Next.

Angel One add broker step 4

Step 4: SmartAPI login.

Step 5 — Finish setup​

  1. Click Finish Setup to save the broker account.
  2. Confirm on My Brokers.

Angel One add broker step 5

Step 5: Complete setup.

Troubleshooting​

IssueWhat to check
Invalid TOTPUse a fresh code from your authenticator app
SmartAPI disabledEnable API access in Angel One portal
Broker not in listContact admin — Angel One may need to be enabled in platform settings