Skip to main content
PATCH
/
api
/
v1
/
transactional
/
{idOrSlug}
Update Transactional Email
curl --request PATCH \
  --url https://api.sequenzy.com/api/v1/transactional/{idOrSlug} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "enabled": true,
  "subject": "<string>",
  "previewText": "<string>",
  "html": "<string>",
  "blocks": [
    {}
  ]
}
'
{
  "success": true,
  "transactional": {
    "id": "txn_abc123",
    "name": "Welcome Email",
    "slug": "welcome",
    "emailId": "email_abc123",
    "enabled": true,
    "subject": "Welcome, {{NAME}}",
    "previewText": "Your account is ready.",
    "blocks": [
      {
        "id": "block_123",
        "type": "text",
        "content": "<p>Welcome to {{COMPANY_NAME}}</p>",
        "variant": "html"
      }
    ],
    "variables": ["NAME", "COMPANY_NAME"],
    "createdAt": "2024-01-15T10:30:00Z",
    "updatedAt": "2024-01-15T10:35:00Z"
  }
}
Update a transactional email by ID or slug. You can update metadata like name and enabled, or replace the linked email body with html or blocks.

​
Path Parameters

​
idOrSlug
string
required
Transactional email ID or slug

​
Request

​
name
string
Transactional email name
​
enabled
boolean
Whether this transactional email can be sent
​
subject
string
Email subject line
​
previewText
string
Email preview text
​
html
string
Raw HTML body. Provide either html or blocks, not both.
​
blocks
array
Sequenzy email blocks. Provide either blocks or html, not both. Put block styling under styles; top-level style keys like backgroundColor, backgroundOpacity, borderColor, borderWidth, and borderRadius are normalized into styles.
curl -X PATCH "https://api.sequenzy.com/api/v1/transactional/welcome" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "subject": "Welcome, {{NAME}}",
    "html": "<p>Welcome to {{COMPANY_NAME}}</p>"
  }'

​
Responses

{
  "success": true,
  "transactional": {
    "id": "txn_abc123",
    "name": "Welcome Email",
    "slug": "welcome",
    "emailId": "email_abc123",
    "enabled": true,
    "subject": "Welcome, {{NAME}}",
    "previewText": "Your account is ready.",
    "blocks": [
      {
        "id": "block_123",
        "type": "text",
        "content": "<p>Welcome to {{COMPANY_NAME}}</p>",
        "variant": "html"
      }
    ],
    "variables": ["NAME", "COMPANY_NAME"],
    "createdAt": "2024-01-15T10:30:00Z",
    "updatedAt": "2024-01-15T10:35:00Z"
  }
}