Send outbound SMS updates from chat mentions

When a team member is mentioned in a dedicated Slack channel, automatically send a follow-up text message to the customer via WhatsApp Business.

Try:

See all Slack + WhatsApp Business integrations or talk to a human

Trusted by teams already building on Knit·

4.9/5 on G2·

Google for Startups Accelerator

How Knit builds this workflow

The Agent researches both APIs and wires the trigger on one side to the action on the other — no pre-built connector required. Here is the vocabulary it has to work with.

Slack Explore Slack →

Triggers

New message posted to a channel

Fires when a new message is posted to a channel in Slack.

Mentioned in a message

Fires when your team or a keyword is mentioned in Slack.

New channel created

Fires when a new channel is created in Slack.

New file shared

Fires when a new file is shared in Slack.

Actions

Send a channel message

Posts a message to a channel in Slack.

Send a direct message

Sends a direct message to a person in Slack.

Create a channel

Creates a new channel in Slack.

Invite a user to a channel

Adds a user to a channel in Slack.

WhatsApp Business Explore WhatsApp Business →

Triggers

New inbound SMS

Fires when a new text message is received in WhatsApp Business.

New call

Fires when a new call comes in or out through WhatsApp Business.

Missed call

Fires when a call is missed in WhatsApp Business.

Call recording ready

Fires when a call recording finishes processing in WhatsApp Business.

Actions

Send an SMS or MMS

Sends a text message through WhatsApp Business.

Place an outbound call

Starts an outbound call via WhatsApp Business.

Create or update a contact

Creates or updates a contact in WhatsApp Business.

Send a voice message

Sends a recorded voice message via WhatsApp Business.

Notify team channels about missed phone calls When a call goes unanswered in WhatsApp Business, automatically post an alert message in a Slack channel so a representative can follow up. See details

Share incoming text messages with support teams When a customer sends a new inbound SMS to WhatsApp Business, post the text content to a shared channel in Slack for real-time visibility. See details

See all Slack + WhatsApp Business integrations → · Browse the full workflow library →

Enterprise-grade security

Visit our Security Center Review the DPA

FAQ

Common questions

Can Knit build “Send outbound SMS updates from chat mentions” between Slack and WhatsApp Business?

Yes — describe it in the box above and Knit's Integrations Agent researches Slack and WhatsApp Business's public API docs (or your own uploaded docs) and builds a working workflow, whether or not either app already has a pre-built connector.

How long does it take to build?

Minutes to a first working version, not weeks — you test it against real data before it goes anywhere near production.

Why integrate WhatsApp Business with Slack?

It ensures your team gets immediate visibility into caller updates, missed calls, and incoming text messages without needing to log into separate telephony dashboards.

Can team members initiate customer communications from Slack?

Yes, posting specific messages or mentions in Slack can initiate text messages or voice broadcasts sent via WhatsApp Business.