Update Campaign Message

patch https://a.klaviyo.com/api/campaign-messages/{id}

Update a campaign message

Rate limits:
Burst: 10/s
Steady: 150/m

Scopes:
campaigns:write

Responses

Language

Credentials

Header


xxxxxxxxxx
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curl --request PATCH \
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     --url https://a.klaviyo.com/api/campaign-messages/id \
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     --header 'Authorization: Klaviyo-API-Key your-private-api-key' \
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     --header 'accept: application/vnd.api+json' \
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     --header 'content-type: application/vnd.api+json' \
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     --header 'revision: 2025-04-15' \
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     --data '
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{
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  "data": {
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    "type": "campaign-message",
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    "attributes": {
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      "definition": {
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        "channel": "email"
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      }
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    },
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    "relationships": {
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      "image": {
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        "data": {
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          "type": "image"
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        }
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      }
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    }
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  }
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}
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'


xxxxxxxxxx
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}
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{
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  "data": {
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    "type": "campaign-message",
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    "id": "string",
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    "attributes": {
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      "definition": {
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        "channel": "email",
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        "label": "My message name",
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        "content": {
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          "subject": "Buy our product!",
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          "preview_text": "My preview text",
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          "from_email": "store@my-company.com",
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          "from_label": "My Company",
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          "reply_to_email": "reply-to@my-company.com",
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          "cc_email": "cc@my-company.com",
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          "bcc_email": "bcc@my-company.com"
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        }
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      },
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      "send_times": [
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        {
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          "datetime": "2022-11-08T00:00:00+00:00",
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          "is_local": true
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        }
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      ],
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      "created_at": "2022-11-08T00:00:00+00:00",

200Success

4XXClient Error

5XXServer Error