How to connect FreshBooks and Mailgun
Create a New Scenario to Connect FreshBooks and Mailgun
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a FreshBooks, triggered by another scenario, or executed manually (for testing purposes). In most cases, FreshBooks or Mailgun will be your first step. To do this, click "Choose an app," find FreshBooks or Mailgun, and select the appropriate trigger to start the scenario.

Add the FreshBooks Node
Select the FreshBooks node from the app selection panel on the right.

FreshBooks
Configure the FreshBooks
Click on the FreshBooks node to configure it. You can modify the FreshBooks URL and choose between DEV and PROD versions. You can also copy it for use in further automations.
Add the Mailgun Node
Next, click the plus (+) icon on the FreshBooks node, select Mailgun from the list of available apps, and choose the action you need from the list of nodes within Mailgun.

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Authenticate Mailgun
Now, click the Mailgun node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Mailgun settings. Authentication allows you to use Mailgun through Latenode.
Configure the FreshBooks and Mailgun Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the FreshBooks and Mailgun Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

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Trigger on Webhook
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Webhook response

Save and Activate the Scenario
After configuring FreshBooks, Mailgun, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the FreshBooks and Mailgun integration works as expected. Depending on your setup, data should flow between FreshBooks and Mailgun (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect FreshBooks and Mailgun
FreshBooks + Mailgun + Slack: When a new invoice is created in FreshBooks, an email reminder is sent via Mailgun. If the invoice remains unpaid, a Slack notification is sent to the accounting team after a set period.
Mailgun + FreshBooks + Google Sheets: When a bounce email is detected by Mailgun, it searches for the associated invoice in FreshBooks. It logs the bounced email and invoice details into a Google Sheet for accounts receivable review.
FreshBooks and Mailgun integration alternatives
About FreshBooks
Connect FreshBooks to Latenode to automate invoice creation and payment tracking. Trigger actions in other apps (CRM, email) based on FreshBooks events. Centralize accounting data into workflows, use AI to analyze spendings, and get custom notifications – all automated with Latenode's flexible, no-code visual builder.
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About Mailgun
Use Mailgun in Latenode to automate email sending within your workflows. Trigger emails based on data changes, form submissions, or scheduled events. Latenode lets you filter, format, and personalize messages using data from other apps, creating dynamic campaigns and notifications without complex coding. Scale your outreach affordably by paying only for execution time.
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See how Latenode works
FAQ FreshBooks and Mailgun
How can I connect my FreshBooks account to Mailgun using Latenode?
To connect your FreshBooks account to Mailgun on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select FreshBooks and click on "Connect".
- Authenticate your FreshBooks and Mailgun accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically send invoices via email?
Yes, using the FreshBooks and Mailgun integration in Latenode, you can automate invoice delivery. Latenode’s visual editor makes it easy to trigger emails when new invoices are created, saving time and ensuring prompt delivery.
What types of tasks can I perform by integrating FreshBooks with Mailgun?
Integrating FreshBooks with Mailgun allows you to perform various tasks, including:
- Send personalized thank you emails for new payments received.
- Automate invoice reminders to clients who have overdue balances.
- Generate monthly reports on invoice status and email performance.
- Create automated welcome sequences for new FreshBooks clients.
- Trigger internal notifications for important billing events.
How do I handle FreshBooks API rate limits on Latenode?
Latenode lets you manage FreshBooks API rate limits with built-in delay and error handling. This ensures your automations run smoothly without interruption.
Are there any limitations to the FreshBooks and Mailgun integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex HTML email templates may require manual adjustment.
- Advanced Mailgun features like dedicated IPs need separate configuration.
- The initial setup requires a basic understanding of API concepts.