> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zapbip.com/llms.txt
> Use this file to discover all available pages before exploring further.

# sign_in_link

> Send the owner the sign-in link to the web app on WhatsApp.

Send the owner the one-time link that signs in to the [web app](https://docs.zapbip.com/features/web-app.md). It is the `login` command, run for the owner. It needs no approval, because the link goes to the owner and never comes back to the agent. See [Let your AI manage zapbip](https://docs.zapbip.com/features/let-your-ai-manage-zapbip.md).

Deleting the account is not a tool. It stays a WhatsApp command.

## Input

None.

## Output

`{ "status": "applied" | "refused", "agent": null, "reason": string | null, "install_prompt": null }`. `refused` with `reason` `window_closed` means the 24-hour window is closed: the link is not queued, because it would expire. `send_failed` means the owner could not be reached. The link is never part of the result.

The same limit as [connect\_agent](https://docs.zapbip.com/mcp-reference/connect-agent.md) applies: 3 acting calls a minute per connection.


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