SendGrid + Stripe

Connect SendGrid and Stripe to Automate Your Billing Communications

Trigger personalized transactional emails the moment Stripe payment events occur — no manual effort required.

Why integrate SendGrid and Stripe?

SendGrid and Stripe are two of the most widely adopted platforms for email delivery and payment processing. Together, they handle the billing and communication layer for most modern SaaS products. When a customer's card is charged, a subscription renews, an invoice is generated, or a payment fails, your customers expect an immediate, professional email. Integrating SendGrid with Stripe through tray.ai means those emails go out automatically, accurately, and at exactly the right moment.

Automate & integrate SendGrid & Stripe

Use case

Automated Payment Receipt Emails

Every time Stripe successfully processes a charge, tray.ai instantly triggers a branded, personalized receipt email through SendGrid. Customers get confirmation within seconds, which cuts support tickets and builds trust.

Use case

Failed Payment Dunning Campaigns

When Stripe marks an invoice as past due or a charge attempt fails, tray.ai automatically enrolls the customer in a multi-step dunning sequence in SendGrid. Follow-up emails prompt customers to update their payment details before their subscription is cancelled.

Use case

Subscription Renewal Reminders

Before a Stripe subscription renews, tray.ai detects the upcoming renewal date and triggers a reminder email through SendGrid. Customers are informed in advance, which cuts disputes and unexpected charges.

Use case

New Customer Welcome Emails

When a customer completes their first purchase or subscribes for the first time in Stripe, tray.ai fires a personalized welcome email via SendGrid to kick off their onboarding. Every new paying customer gets a timely introduction to your product without anyone having to remember to send it.

Use case

Refund and Cancellation Notifications

When a refund is issued or a subscription is cancelled in Stripe, tray.ai automatically sends a confirmation email through SendGrid so customers aren't left guessing about their request. You can also include win-back offers or feedback surveys in the cancellation flow.

Use case

Stripe Invoice Generation to SendGrid Delivery

When Stripe finalizes a new invoice, tray.ai extracts the details and composes a fully formatted email delivered through SendGrid, with itemized charges, due dates, and payment links included. No manual invoice emailing needed.

Use case

Trial Expiration and Upgrade Prompts

When a Stripe free trial is nearing its end or has expired, tray.ai triggers targeted upgrade prompt emails via SendGrid to push conversion. You can segment messaging by trial usage or plan tier.

Get started with SendGrid & Stripe integration today

SendGrid & Stripe Challenges

What challenges are there when working with SendGrid & Stripe and how will using Tray.ai help?

Challenge

Keeping Customer Email Data in Sync Between Stripe and SendGrid

Customer email addresses, names, and subscription statuses change in Stripe all the time, but those updates rarely make it into SendGrid on their own. The result is failed deliveries, stale segments, and compliance headaches when sending billing emails.

How Tray.ai Can Help:

tray.ai listens for Stripe customer update events in real time and updates the corresponding SendGrid contact record automatically, so your email lists always reflect current billing data from Stripe.

Challenge

Handling Stripe Webhook Reliability and Email Deduplication

Stripe can occasionally send duplicate webhook events or retry failed deliveries. Without a safeguard, customers end up with multiple copies of the same transactional email — repeated receipts or dunning messages that erode trust fast.

How Tray.ai Can Help:

tray.ai includes built-in workflow logic to detect and deduplicate Stripe webhook events before they trigger SendGrid sends, so each customer gets exactly one email per billing event regardless of retry behavior.

Challenge

Personalizing Transactional Emails with Real-Time Stripe Data

SendGrid email templates need dynamic data — customer names, invoice amounts, plan names, renewal dates — that all lives in Stripe. Without an integration, teams either send generic messages or manually export data to populate templates, which is slow and breaks constantly.

How Tray.ai Can Help:

tray.ai extracts and maps Stripe event data directly into SendGrid dynamic template variables at send time, so transactional emails are fully personalized without any manual data handling.

Challenge

Managing Dunning Sequences Without Double-Enrolling Customers

When a customer has multiple failed payment attempts, it's easy to accidentally enroll them in a dunning sequence more than once in SendGrid. Overlapping, confusing emails make your billing operation look broken — and customers notice.

How Tray.ai Can Help:

tray.ai tracks enrollment status across Stripe failure events and applies conditional logic to make sure customers are only added to a SendGrid dunning sequence once per billing cycle, with clean exits when payment is recovered.

Challenge

Ensuring Email Delivery Compliance for Billing Communications

Transactional billing emails — payments, refunds, invoices — have to comply with CAN-SPAM, GDPR, and other regulations. Without tight integration, you risk sending billing emails to unsubscribed or suppressed contacts in SendGrid, which is a problem you don't want to debug after the fact.

How Tray.ai Can Help:

tray.ai checks SendGrid suppression lists before dispatching any Stripe-triggered email, and can route compliance-sensitive billing communications through SendGrid's dedicated transactional sending infrastructure to protect deliverability and meet regulatory requirements.

Start using our pre-built SendGrid & Stripe templates today

Start from scratch or use one of our pre-built SendGrid & Stripe templates to quickly solve your most common use cases.

SendGrid & Stripe Templates

Find pre-built SendGrid & Stripe solutions for common use cases

Browse all templates

Template

Stripe Successful Payment → SendGrid Receipt Email

Automatically sends a personalized payment receipt email via SendGrid whenever a Stripe charge succeeds, including the amount, date, and transaction ID.

Steps:

  • Listen for a 'charge.succeeded' webhook event from Stripe
  • Extract customer name, email, charge amount, and transaction details from the Stripe payload
  • Send a branded receipt email via SendGrid using a pre-built transactional template

Connectors Used: Stripe, SendGrid

Template

Stripe Failed Payment → SendGrid Dunning Email Sequence

Triggers a multi-step dunning email campaign in SendGrid when Stripe records a failed payment, sending follow-up emails at set intervals until payment is recovered or the subscription lapses.

Steps:

  • Detect a 'invoice.payment_failed' event from Stripe via webhook
  • Enroll the customer's email into a SendGrid drip sequence with timed follow-up emails
  • Monitor Stripe for payment recovery and exit the SendGrid sequence if payment succeeds

Connectors Used: Stripe, SendGrid

Template

Stripe Subscription Renewal → SendGrid Reminder Email

Sends a renewal reminder email through SendGrid a set number of days before a Stripe subscription is scheduled to renew, so customers aren't caught off guard.

Steps:

  • Poll Stripe subscriptions daily to identify renewals occurring within the next 7 days
  • Filter out customers who have already received a reminder to prevent duplicate emails
  • Send a personalized renewal reminder email via SendGrid with subscription and billing details

Connectors Used: Stripe, SendGrid

Template

Stripe Refund Issued → SendGrid Confirmation Email

Automatically sends a refund confirmation email through SendGrid the moment Stripe processes a refund, including the refund amount and expected return timeline.

Steps:

  • Capture a 'charge.refunded' webhook event from Stripe
  • Parse refund amount, currency, and customer contact details from the event payload
  • Deliver a refund confirmation email through SendGrid using a customized template

Connectors Used: Stripe, SendGrid

Template

Stripe New Customer → SendGrid Welcome Onboarding Email

Sends a welcome email through SendGrid whenever a new customer completes their first Stripe payment, triggering the start of an automated onboarding email series.

Steps:

  • Listen for a 'customer.created' or first 'charge.succeeded' event in Stripe
  • Verify the customer is new by checking for prior charges in Stripe
  • Add the customer to a SendGrid onboarding contact list and trigger the welcome email sequence

Connectors Used: Stripe, SendGrid

Template

Stripe Trial Ending → SendGrid Upgrade Prompt Campaign

Automatically identifies Stripe customers whose free trials are expiring soon and sends targeted upgrade prompt emails via SendGrid to drive paid conversion.

Steps:

  • Scheduled trigger queries Stripe for subscriptions with trials ending within 3 days
  • Segment customers by plan type or trial activity for tailored messaging
  • Send personalized upgrade prompt emails through SendGrid with plan comparison and CTA

Connectors Used: Stripe, SendGrid