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Introduction

Track payment events in Segment to power your analytics, marketing automation, and customer data platform. Send payment, subscription, and customer lifecycle events to 300+ downstream tools automatically.
This integration requires a Segment Write Key from your Segment workspace.

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Getting Started

1

Open the Webhook Section

In your Dodo Payments dashboard, navigate to Webhooks → + Add Endpoint and expand the integrations dropdown.
Add Endpoint and integrations dropdown
2

Select Segment

Choose the Segment integration card.
3

Enter Write Key

Provide your Segment Write Key in the configuration.
4

Configure Transformation

Edit the transformation code to format events for Segment’s Track API.
5

Test & Create

Test with sample payloads and click Create to activate the sync.
6

Done!

🎉 Payment events will now be tracked in Segment and sent to your connected tools.

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Transformation Code Examples

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Track Payment Events

track_payments.js
function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    webhook.url = "https://api.segment.io/v1/track";
    webhook.payload = {
      userId: p.customer.customer_id,
      event: "Payment Completed",
      properties: {
        amount: (p.total_amount / 100).toFixed(2),
        currency: p.currency || "USD",
        payment_method: p.payment_method || "unknown",
        payment_id: p.payment_id,
        customer_email: p.customer.email,
        customer_name: p.customer.name
      },
      timestamp: webhook.payload.timestamp
    };
  }
  return webhook;
}

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Track Subscription Lifecycle

track_subscriptions.js
function handler(webhook) {
  const s = webhook.payload.data;
  switch (webhook.eventType) {
    case "subscription.active":
      webhook.url = "https://api.segment.io/v1/track";
      webhook.payload = {
        userId: s.customer.customer_id,
        event: "Subscription Started",
        properties: {
          subscription_id: s.subscription_id,
          product_id: s.product_id,
          amount: (s.recurring_pre_tax_amount / 100).toFixed(2),
          frequency: s.payment_frequency_interval,
          next_billing: s.next_billing_date,
          customer_email: s.customer.email
        },
        timestamp: webhook.payload.timestamp
      };
      break;
    case "subscription.cancelled":
      webhook.url = "https://api.segment.io/v1/track";
      webhook.payload = {
        userId: s.customer.customer_id,
        event: "Subscription Cancelled",
        properties: {
          subscription_id: s.subscription_id,
          product_id: s.product_id,
          cancelled_at: s.cancelled_at,
          cancel_at_next_billing: s.cancel_at_next_billing_date,
          customer_email: s.customer.email
        },
        timestamp: webhook.payload.timestamp
      };
      break;
  }
  return webhook;
}

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Identify Customer Properties

identify_customer.js
function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    webhook.url = "https://api.segment.io/v1/identify";
    webhook.payload = {
      userId: p.customer.customer_id,
      traits: {
        email: p.customer.email,
        name: p.customer.name,
        total_spent: (p.total_amount / 100).toFixed(2),
        payment_method: p.payment_method || "unknown",
        last_payment_date: webhook.payload.timestamp,
        customer_since: webhook.payload.timestamp
      }
    };
  }
  return webhook;
}

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Tips

  • Use consistent event names across your integration
  • Include relevant properties for analytics and segmentation
  • Set proper timestamps for accurate event tracking
  • Use customer IDs as userId for proper user identification

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Troubleshooting

  • Verify Write Key is correct and active
  • Check that event names follow Segment naming conventions
  • Ensure userId is properly set for user identification
  • Review Segment API rate limits
  • Validate JSON structure matches Segment API format
  • Check that all required fields are present
  • Ensure event names are strings, not objects