Using a Custom Webhook in Flow (Zapier and Make Integration)

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Flow allows you to automate actions by sending post data to third-party platforms like Zapier or Make every time you hit the Share button. This guide explains how to set up a webhook, what data is sent, and how to use it effectively.

1. How the Webhook Works

You paste your webhook URL (Zapier/Make) in your Flow profile settings.

Every time you hit the Share button, Flow triggers the webhook and sends post data.

You can use this to automate workflows, such as saving posts to Google Sheets, sending Slack notifications, or scheduling content.

2. Webhook Data Format

When the webhook is triggered, Flow sends the following data:

{
  "Topic": "Personal Branding on LinkedIn",
  "Context": "Tips for increasing engagement on LinkedIn posts",
  "Post": "Building a personal brand on LinkedIn is easier when you...",
  "Email": "user@example.com",
  "Schedule Date": "2025-02-07T10:00:00Z",
  "Post Created": "2025-02-07T09:30:00Z",
  "Template Number": "3",
  "TOF, MOF or BOF": "TOF",
  "Subgroup": "LinkedIn Growth"
}

Field	Description
`Topic`	The main subject of the post.
`Context`	Additional background related to the post.
`Post`	The full post content.
`Email`	Your email (the user who shared the post).
`Schedule Date`	The date and time the post is scheduled (if applicable).
`Post Created`	Timestamp of when the post was created.
`Template Number`	The template used for the post.
`TOF, MOF or BOF`	Where the post fits in the funnel: Top of Funnel (TOF), Middle of Funnel (MOF), Bottom of Funnel (BOF).
`Subgroup`	The category or subgroup the post belongs to.

3. Setting Up a Webhook in Flow

Step 1: Get Your Webhook URL

Zapier

Choose Webhooks by Zapier as the trigger app.

Select Catch Hook as the event.

Copy the generated Webhook URL.

Make

Open Make and create a new scenario.

Add a Webhook module and choose Custom Webhook.

Copy the Webhook URL.

Step 2: Add Webhook to Flow

Go to your Flow profile settings.

Find the Webhook URL field.

Paste the Zapier/Make webhook link.

Click Save.

Step 3: Test the Webhook

Create a test post in Flow.

Click the Share button.

Check Zapier/Make to confirm that the request was received.

If successful, set up actions (e.g., save to Google Sheets, send to Slack, etc.).

4. Automations You Can Create

Once the webhook is connected, you can build automations such as:

Save posts to Google Sheets (Zapier)

Send post data to Slack (Make)

Schedule posts in Buffer (Zapier)

Send email notifications (Gmail via Zapier)

Auto-publish to social media (Zapier and Make)

5. Troubleshooting & FAQs

Webhook Not Firing?

Make sure the correct webhook URL is pasted in Flow.

Check if Zapier/Make is actively listening for requests.

Use a tool like RequestBin or Postman to check if the webhook is being triggered.

Post Data Missing?

Check if Flow sent all expected fields.

In Zapier/Make, ensure you are mapping the correct fields.

Can I Use Multiple Webhooks?

Flow supports one webhook per user profile.

If you need multiple actions, use Zapier/Make to send data to different tools.

6. Next Steps

Now that your webhook is set up, you can:

Automate post sharing workflows

Store post data for future reference

Schedule posts using third-party tools

This integration lets you connect your content directly with your favorite tools.