SendGrid API Integration
Transactional and marketing email at scale with dynamic templates and analytics.
What SendGrid API integration does
SendGrid handles transactional and marketing email at scale with dynamic templates and engagement analytics. Email remains the channel of record for receipts, statements and anything a customer may need to retrieve months later, which is why it survives alongside every newer channel.
Its failure mode is deliverability, and deliverability is mostly a configuration problem rather than a sending problem. SPF, DKIM and DMARC records have to be correct for your sending domain, a dedicated IP needs warming, and bounce and complaint handling has to feed back into your suppression list or your sender reputation degrades. Our integration covers those pieces alongside the API work, because an email integration that sends successfully into spam folders has not actually delivered anything.
What teams build with it
Transactional email
Send receipts, invoices, statements and account notifications with per-message delivery tracking.
Templated communication
Use dynamic templates so content changes do not require an application deploy.
Marketing campaigns
Run campaigns with open, click and unsubscribe data fed back into your own systems.
Document delivery
Attach signed agreements, policy documents and compliant invoices to outbound mail.
Endpoints included
POST/sendgrid/v3/mail/sendSends a templated transactional email.
Try it in the sandbox
https://sandbox.aeologic.io/sendgrid/v3/mail/send{
"from": {
"email": "no-reply@aeologic.io"
},
"personalizations": [
{
"to": [
{
"email": "ananya@example.com"
}
],
"dynamic_template_data": {
"order_id": "AEO-88213"
}
}
],
"template_id": "d-9f3c2a1b"
}What you need before we start
- A SendGrid account with API credentials
- A sending domain with SPF, DKIM and DMARC configured
- Templates for each message type
- A webhook endpoint for delivery, bounce and complaint events
How we deliver it
- Domain authentication setup and deliverability review
- Template migration and dynamic-data mapping
- Sandbox integration with event normalisation
- Production rollout with bounce and complaint handling wired to suppression
Related Communication integrations
Industries using SendGrid
SendGrid API integration — FAQs
Do you help with deliverability, not just sending?
Yes. Domain authentication, IP warming and bounce and complaint handling are part of the engagement, because they determine whether mail reaches the inbox at all.
Can templates be edited without a deploy?
Yes — dynamic templates live in SendGrid and are referenced by the integration, so content changes do not require an application release.
How are bounces handled?
Bounce and complaint events are normalised and fed into your suppression list automatically, which is what protects sender reputation over time.
Ship SendGrid in days
Tell us your stack and we'll wire up SendGrid API integration for your team.
Talk to Aeologic