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This article provides a comprehensive overview of the different channels available for interacting with Notis and their respective capabilities. Each channel offers unique features and limitations that may make it more suitable for specific use cases.

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Channel Overview

When your attachment exceeds the supported size, it is ignored by the WhatsApp API and the Telegram API completely, and we don’t have any way to be notified of this. This is an unfortunate limitation at the moment.

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Supported File Formats by Purpose

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Agents

If agent routing is available for your account, each channel has an Agents selection with Notis, Codex and Claude, all on by default. Notis only uses the agents you leave on in that channel, and asks you first if it needs one you turned off. The Desktop card also covers your chats in the Notis app, on the web and on your computer. See Choose agents for channels and automations.

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Default intelligence & priority

Each channel (the Desktop and Web app, Telegram, iMessage, WhatsApp, Slack, and Email) can run at its own level of intelligence and priority, so the place you use Notis can have the right setup. Set them from the Channels page: open a channel’s Default intelligence & priority (the sliders icon) and pick its defaults. A channel starts on Auto intelligence, so Notis picks the right level for each turn, and on Standard priority. Automations keep their own settings. For what each choice means and costs, see intelligence levels and processing tiers. In the Desktop and Web app you can also override the intelligence and priority for a single conversation, on top of the channel default.

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Switching between messaging channels

You can freely switch between any channels you have linked to your Notis account. Each channel keeps its own conversation threads, and the Desktop and Web app inbox unifies them all in one place.

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One account, multiple channel identities

Notis no longer treats your phone number as the single authentication. Each linked identity — a phone number on WhatsApp, the same or a different number on Messages, a Telegram handle, a Slack workspace, an email address — is stored as its own channel account under your Notis user. You can link several accounts on the same channel (for example, a personal and a work email, or two phone numbers on Messages) and pick which one to use when sending reminders or running automations.

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How verification works

Every channel goes through the same verification model before it can send or receive messages on your behalf:
  • Telegram, WhatsApp, and Messages — the portal mints a short verification code tied to your account. Opening the personalized deeplink or QR from the Channels page sends that code as the first message, which links the inbound sender (phone number, Telegram handle, or Apple ID) to your Notis account.
  • Messages is its own namespace — a phone number or Apple ID verified on WhatsApp or as an email alias does not automatically work on Messages. Each Messages sender (phone or email) must be verified specifically for Messages.
  • Email aliases — additional sender addresses are added from the portal (or by asking Notis) and verified before Notis will accept mail from them. See Email Aliases.
  • Slack — connected through OAuth from the portal. Reinstalling the same workspace is idempotent and reuses the existing Slack channel account.
  • Desktop and Web app — portal-native, authenticated with your Notis login, so no separate channel-account verification is required.

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Managing channel accounts

Open the Channels page to add a new channel, link an additional account to a channel you already use, or disconnect one you no longer need. When more than one account is linked on the same channel, reminder and automation editors will ask you to pick which one should deliver — or auto-pick when only one is connected.