Run Twilio “Send SMS” from Slack “New Message in Channel”
TriggerSlack · New Message in Channel
ActionTwilio · Send SMS
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Connect Slack and Twilio
Choose either direction, select popular real Trigger and Action definitions, and open a preconfigured Workflow draft.
Build this Workflow
Your selected Trigger and Action are carried into FastHook. Connect accounts, review field mapping, and activate only when the draft is ready.
Popular Workflows
Start with a ready-made template
Each template fixes a useful starting Trigger and Action. You can change both operations inside the Workflow draft.
Use this template
Run Slack “Send Message” from Twilio “Messaging Inbound Message Received”
TriggerTwilio · Messaging Inbound Message Received
ActionSlack · Send Message
Connect Slack “New Direct Message” to Twilio “Send MMS”
TriggerSlack · New Direct Message
ActionTwilio · Send MMS
Two-way automation
What you can automate between Slack and Twilio
The public builder uses popular operations as a focused starting point. The technical references contain all 218 Triggers and 22 Actions available across this pair.
Slack → Twilio
New Message in Channel to Send SMS
Use Slack “New Message in Channel” as the Trigger, then map its output into Twilio “Send SMS”.
Twilio → Slack
Messaging Inbound Message Received to Send Message
Use Twilio “Messaging Inbound Message Received” as the Trigger, then map its output into Slack “Send Message”.
Slack
41 Triggers · 17 Actions
Start Workflows from Slack events and automate messages, reactions, channels, pins, and member operations.
Twilio
177 Triggers · 5 Actions
Start from Twilio Event Streams and automate SMS, MMS, WhatsApp, voice calls, and custom API requests.
Choose the direction
Start in either app and change direction without leaving the public integration page.
Select the events
Use focused popular operations here; the complete provider catalogs remain in the technical documentation.
Review the draft
Connect accounts, confirm resources and schema-aware mapping, then activate explicitly.
Slack + Twilio FAQ
Can Slack trigger actions in Twilio?
Yes. Choose one of the popular Slack Triggers on this page and pair it with a Twilio Action. FastHook creates a draft so you can connect accounts and review mapping before activation.
Can Twilio trigger actions in Slack?
Yes. Switch the direction in the builder, then select a Twilio Trigger and a Slack Action.
Can I change the Trigger or Action later?
Yes. The public builder sets the starting values. You can change the operation, account, resource, and field mapping inside the FastHook Workflow before activation.
How are fields mapped between the apps?
FastHook uses the Trigger output schema and Action input schema to propose compatible fields. Review ambiguous or provider-specific values in the draft before the first run.