Braze can call a webhook at any point in a campaign or Canvas. FlowMattic catches that call and turns it into a Slack post: a key user hit a milestone, a customer entered a churn-risk path, a trial converted. Lifecycle marketers decide what the webhook sends in Braze, and the team that should act hears about it in Slack.
1 trigger 14 actions 6 example workflows 2 ready-made templates Unlimited runs
When this happens in Braze1 trigger
Do this in Slack14 actions
1. TriggerSetup Webhook2. ActionSend Channel MessageWhen Braze fires Setup Webhook, FlowMattic runs Send Channel Message in Slack 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.
Ready-made templateWhen a user reaches the step your campaign marks as important, the webhook posts their name and the event to a channel, so the right team sees it while it is fresh.
Setup WebhookSend Channel Message
View the template Add an event type to each webhook body in Braze. JSON Parser reads it and a Router sends trial conversions to sales and churn signals to customer success.
Setup WebhookJSON ParserRouterSend Channel Message
A Canvas path for inactive users calls the webhook with the account manager's email. Slack finds that person and sends a direct message to check in.
Setup WebhookFind User by EmailSend Direct Message
A Filter passes users whose lifetime value, sent in the webhook body, is above your line. Customer success sees them in a private channel and can reach out personally.
Setup WebhookFilterSend Private Channel Message
A Counter adds one for each user who reaches the conversion step and the post includes the total, so the team watches a launch campaign without opening a report.
Setup WebhookCounterSend Channel Message
When a user enters your churn-risk segment, Slack adds a reminder for the success lead with the user's name and plan, so a call is booked rather than only an email sent.
Setup WebhookAdd Reminder
At the end, every user who reaches your chosen campaign step is posted to a Slack channel with the details you send.
In FlowMattic, open Connects and add a Slack connection with an account in the channel you want.
Create a workflow with the Braze Setup Webhook trigger and copy the webhook URL it gives you.
In a Braze webhook campaign or Canvas step, paste the URL and write a request body with the user fields you need, such as name, email and event.
Send a test from Braze so FlowMattic captures the body, then add Send Channel Message with those fields. Test the step and switch it on.
1. Trigger in Braze
Setup Webhook
2. Action in Slack
Send Channel Message
Fields mapped from the earlier steps (a typical setup)
| From Braze | To Slack |
|---|---|
| first_name | Message: user |
| Message: email | |
| event | Message: what happened |
| plan | Message: plan |
A trigger starts a workflow. An action is something FlowMattic does in the app as a step.
Braze and Slack connect through FlowMattic on your own site, with no separate automation account in the middle and no charge per run.
Steps in a Braze journey that deserve a human touch, such as a big purchase or a churn signal, show up for the team that handles them.
You choose in Braze what each webhook sends, and FlowMattic routes it, without a developer building an endpoint.
FlowMattic runs on your WordPress site with unlimited runs, so a busy Canvas does not add per-task costs.
Create a FlowMattic workflow with the Braze Setup Webhook trigger, paste its URL into a Braze webhook campaign or Canvas step and send a test. Then add Send Channel Message and map the fields from the request body.
Yes. Include a field such as event or campaign name in each webhook body, read it with JSON Parser if needed, and use a Router to post each type to its own channel.
Yes. Send that person's email in the webhook body, look them up with Find User by Email and use Send Direct Message, for example to reach a user's account manager.
It will if the webhook step is reached by thousands of users. Place it on a narrow step, filter on a value in the body, or post a running count instead of every user.
Did not find your answer? You can browse the help center or ask us directly.
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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. Braze integration 1.0.0, Slack integration 1.0.
