After you add it to your project, this is all it takes.
curl -X POST 'https://api.sendsend.email/v1/emails' \
-H "Authorization: Bearer $SENDSEND_API_KEY" \
-H 'Content-Type: application/json' \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"from": "Acme <hello@mail.acme.com>",
"to": [
"maria@example.com"
],
"template_id": "delivery-confirmation",
"variables": {
"company": "Acme",
"first_name": "Maria",
"order_number": "#1042",
"delivered_at": "2026-10-16T14:30:00Z",
"location": "Front porch",
"help_url": "https://example.com/help"
}
}'
