Your Twilio number takes the texts and calls, and your customers and staff live on WhatsApp. FlowMattic listens to the Twilio number and answers on WhatsApp Cloud API: forward texts to a manager, follow up a missed call, or pick SMS or WhatsApp for each customer. Built for shops, clinics and service teams that run both channels.
2 triggers 7 actions 6 example workflows 1 ready-made template Unlimited runs
When this happens in Twilio2 triggers
Do this in WhatsApp Cloud API5 actions
1. TriggerIncoming SMS2. ActionSend Template MessageWhen Twilio fires Incoming SMS, FlowMattic runs Send Template Message in WhatsApp Cloud API with the data from that event.
You build this in the FlowMattic workflow builder on your own site. See the setup steps
Each one uses only triggers and actions the two integrations ship today, plus FlowMattic's own tools. Where the library has a ready-made template, import it instead of building from scratch.
Whoever owns the line reads incoming SMS on the phone they already carry. The sender's number and message body go into a WhatsApp template message, so nobody logs in to Twilio to check.
Incoming SMSSend Template Message
When someone rings your Twilio number, the caller ID from the call goes into a WhatsApp template that says you saw the call and invites them to reply there.
Incoming CallSend Template Message
Advertise a keyword such as JOIN on flyers. A Filter checks the text body and only those senders get a WhatsApp template, which opens the chat your team carries on in WhatsApp.
Incoming SMSFilterSend Template Message
Format the call time, then a Router checks it against your opening hours. In hours, Call Phone reads a short alert to the on-call person. After hours, the caller gets a WhatsApp message instead.
Incoming CallDate/Time FormatterRouterCall PhoneSend Template Message
Your shop or booking system posts to a Webhook. A Lookup Table maps the country code to the channel people there use, and a Router sends a WhatsApp template or a Twilio SMS.
WebhookLookup TableRouterSend Template MessageSend SMS
Some customers send several texts in a row. An AI Agent turns each one into a short line with the intent and urgency before it is forwarded, so the owner can triage from the lock screen.
Incoming SMSAI AgentSend Template Message
When you finish, every SMS that reaches your Twilio number arrives on a chosen WhatsApp number as a template message.
Under Connects, add a Twilio connection with the account that owns the phone number you want to watch.
Add a WhatsApp Cloud API connection for the business phone number that will send the messages.
Create a workflow with the Twilio Incoming SMS trigger, then text the number from your own phone so FlowMattic captures the sender and body.
Add Send Template Message, choose the template, put the sender number and message body into its variables, test it and switch the workflow on.
1. Trigger in Twilio
Incoming SMS
2. Action in WhatsApp Cloud API
Send Template Message
Fields mapped from the earlier steps (a typical setup)
| From Twilio | To WhatsApp Cloud API |
|---|---|
| From number | Template variable: sender |
| Message body | Template variable: message |
| To number | Template variable: line |
A trigger starts a workflow. An action is something FlowMattic does in the app as a step.
WhatsApp Cloud API and Twilio connect through FlowMattic on your own site, with no separate automation account in the middle and no charge per run.
Caller IDs and message bodies pass from Twilio to WhatsApp through your own WordPress site, not through a third automation account.
FlowMattic runs are unlimited, so you pay Twilio and Meta for the messages themselves and nothing extra per forwarded text.
Routers and Lookup Tables decide between SMS and WhatsApp per message, which suits businesses selling into several countries.
Yes. Start a workflow with the Twilio Incoming SMS trigger and add WhatsApp Cloud API Send Template Message addressed to your own number. Put the sender and the text into the template's variables.
WhatsApp only allows free text to someone who has an open session with your business number. A caller who never messaged you has none, so the first message has to be a template.
Not with these two apps alone, because WhatsApp Cloud API has no trigger here. Twilio texts and calls, or a Webhook from another tool, are what start these workflows.
Yes. Twilio Call Phone dials a number and reads out the message you write, which works well for urgent alerts to an on-call person alongside a WhatsApp message to the customer.
No. In these workflows Twilio handles SMS and calls on its own number, and WhatsApp messages go out from the business number set up in your WhatsApp Cloud API connection.
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Reviewed 27 Oct 2026. The example workflows are written with AI from the real triggers and actions of both integrations and checked against them. WhatsApp Cloud API integration 1.0.1, Twilio integration 1.0.