Secret Token

StaticSecretToken verifies Telegram's X-Telegram-Bot-Api-Secret-Token header.

from aiogram_webhook.security import Security, StaticSecretToken
        
        security = Security(
            secret_token=StaticSecretToken("webhook-secret"),
        )
        

Token formatToken formatToken format

Telegram accepts secret tokens with:

• 1 to 256 characters;
• letters;
• digits;
• _ and -.

StaticSecretToken validates this format at construction time.

Incoming request checkIncoming request checkIncoming request check

The engine compares the incoming header with the configured token using constant-time comparison.

Outgoing webhook registrationOutgoing webhook registrationOutgoing webhook registration

When a secret token provider is configured, the engine also adds secret_token to Telegram setWebhook arguments. This keeps registration and verification aligned.