Connection
- Authentication: API key.
Go to tally.so → Settings → API keys (https://tally.so/settings/api-keys) → Create API key. The API is free for all Tally users. Copy the key (starts with tly-). The key inherits your user permissions.See Tally’s documentation.
Read actions (7)
Write actions (2)
Permissions
Every action above must be explicitly granted to an agent before it can be used. See Permissions for the grant model and Security for how credentials are protected.Last reviewed against the provider API: September 2026.