---
title: GET /tasks/{task_id}/structured-contents/{content_id}/versions
slug: content-marketing-platform/api/get-taskstaskidstructured-contentscontentidversions
docTags:
createdAt: 2026-10-18T12:23:32.321Z
---
{
"id": "UdcrpocSwMYrPsaKvbcuH",
"type": "api-oas-v2",
"data": {
"method": "GET",
"url": "https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions",
"servers": [
{
"url": "https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions",
"description": "v3 version of Optimizely CMP Open API"
}
],
"name": "GET /tasks/{task_id}/structured-contents/{content_id}/versions",
"description": "Experimental Get the list of versions of a task structured content, newest first. These are the versions that CMP lists for the content.
",
"contentType": "application/json",
"request": {
"pathParameters": [
{
"kind": "required",
"name": "task_id",
"type": "string",
"example": "645cb61c966d0c591320f636",
"description": "Unique identifier of the task"
},
{
"kind": "required",
"name": "content_id",
"type": "string",
"example": "a24b834428a043ab8caed1ded4606f7d",
"description": "Unique identifier of the structured content"
}
],
"headerParameters": [
{
"name": "accept",
"type": "string",
"kind": "optional",
"description": "Generated from available response content types",
"enum": [
"application/json"
],
"default": "application/json"
}
],
"queryParameters": [
{
"kind": "optional",
"name": "offset",
"type": "integer",
"example": 5,
"description": "Starting index of results (zero indexed)
",
"default": 0,
"minimum": 0
},
{
"kind": "optional",
"name": "page_size",
"type": "integer",
"example": 15,
"description": "Number of results to return per page",
"default": 10,
"minimum": 1,
"maximum": 100
}
],
"bodyDataParameters": [],
"formDataParameters": [],
"oAuthParameters": [
{
"id": "OAuth2",
"name": "OAuth2",
"kind": "optional",
"type": "oauth2",
"oauth2Flows": {
"clientCredentials": {
"tokenUrl": "https://accounts.cmp.optimizely.com/o/oauth2/v1/token",
"scopes": {}
},
"authorizationCode": {
"authorizationUrl": "https://accounts.cmp.optimizely.com/o/oauth2/v1/auth",
"tokenUrl": "https://accounts.cmp.optimizely.com/o/oauth2/v1/token",
"scopes": {
"openid": "Grants the ability to receive a unique identifier for the user.",
"profile": "Grants access to user profile information.",
"offline_access": "Grants the ability to refresh access_token using the refresh token even when user is not present (not logged in)."
}
}
},
"requiredScopes": [
"openid",
"profile",
"offline_access"
]
}
],
"cookieParameters": []
},
"responses": [
{
"statusCode": "200",
"description": "List of versions of the task structured content",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"description": "",
"customType": "TaskStructuredContentVersionListResponse",
"schema": [
{
"name": "data",
"kind": "required",
"type": "array",
"description": "List of versions of the task structured content, newest first
",
"modelRef": "#/components/schemas/TaskStructuredContentVersion",
"customType": "TaskStructuredContentVersion[]",
"schema": [
{
"name": "version_guid",
"kind": "required",
"type": "string",
"description": "Unique identifier of the version, as CMP lists it. A version is created when the content or any of its nested contents changes. This identifier is not the same as the version_guid of latest_fields_version or the version_id of the /structured-content endpoints, and those endpoints do not accept it.
",
"example": "31a6d15b09c54a04935203eb958ae058"
},
{
"name": "created_at",
"kind": "required",
"type": "string",
"description": "Date and time on which the version was created, in ISO 8601 UTC format
",
"example": "2026-10-02T09:15:00Z",
"format": "date-time"
},
{
"name": "created_by",
"kind": "required",
"type": "string",
"description": "Unique identifier of the user who created the version",
"example": "5c52cc153db27d0e5141146f"
},
{
"name": "source_metadata",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Source metadata of the version",
"example": ""
},
{
"name": "links",
"kind": "required",
"type": "object",
"description": "Meta links",
"example": "",
"schema": [
{
"name": "structured_content",
"kind": "required",
"type": "string",
"description": "URL of the task structured content",
"example": "https://api.cmp.optimizely.com/v3/tasks/645cb61c966d0c591320f636/structured-contents/a24b834428a043ab8caed1ded4606f7d"
},
{
"name": "web_urls",
"kind": "required",
"type": "object",
"description": "Web URLs",
"example": "",
"schema": [
{
"name": "self",
"kind": "required",
"type": "string",
"description": "Web URL of the version of the structured content in the task",
"example": "https://cmp.optimizely.com/go/5c52cc153db27d0e5141146f/tasks/645cb61c966d0c591320f636/structured-contents/a24b834428a043ab8caed1ded4606f7d/versions/31a6d15b09c54a04935203eb958ae058"
}
]
}
]
}
]
},
{
"name": "pagination",
"kind": "required",
"type": "object",
"description": "",
"complexType": "allOf",
"complexItems": [
{
"name": "Pagination",
"description": "",
"modelRef": "#/components/schemas/Pagination",
"schema": [
{
"name": "next",
"kind": "required",
"type": "string",
"nullable": true,
"description": "URL to the next page",
"example": "https://api.cmp.optimizely.com/?offset=10&page_size=10"
},
{
"name": "previous",
"kind": "required",
"type": "string",
"nullable": true,
"description": "URL to the previous page",
"example": ""
}
]
},
{
"name": "object",
"description": "",
"schema": [
{
"name": "next",
"kind": "optional",
"type": "string",
"nullable": true,
"description": "",
"example": "https://api.cmp.optimizely.com/v3/tasks/645cb61c966d0c591320f636/structured-contents/a24b834428a043ab8caed1ded4606f7d/versions?offset=10&page_size=10"
}
]
}
],
"schema": []
}
],
"modelRef": "#/components/schemas/TaskStructuredContentVersionListResponse",
"isExpanded": true
}
]
},
{
"statusCode": "400",
"description": "Client error",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"example": "{\"message\":\"Unsupported arguments: a,b,c\"}",
"description": "Error payload",
"customType": "Error",
"schema": [
{
"name": "message",
"kind": "required",
"type": "string",
"description": "Message describing the error",
"example": "Not found"
},
{
"name": "errors",
"kind": "optional",
"type": "map",
"description": "Additional information",
"example": "",
"customType": "map",
"schema": []
}
],
"modelRef": "#/components/schemas/Error",
"isExpanded": true
}
]
},
{
"statusCode": "401",
"description": "Authorization error",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"example": "{\"message\":\"Unauthorized\"}",
"description": "Error payload",
"customType": "Error",
"schema": [
{
"name": "message",
"kind": "required",
"type": "string",
"description": "Message describing the error",
"example": "Not found"
},
{
"name": "errors",
"kind": "optional",
"type": "map",
"description": "Additional information",
"example": "",
"customType": "map",
"schema": []
}
],
"modelRef": "#/components/schemas/Error",
"isExpanded": true
}
]
},
{
"statusCode": "403",
"description": "Permission error",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"example": "{\"message\":\"You do not have the permission to perform this operation\"}",
"description": "Error payload",
"customType": "Error",
"schema": [
{
"name": "message",
"kind": "required",
"type": "string",
"description": "Message describing the error",
"example": "Not found"
},
{
"name": "errors",
"kind": "optional",
"type": "map",
"description": "Additional information",
"example": "",
"customType": "map",
"schema": []
}
],
"modelRef": "#/components/schemas/Error",
"isExpanded": true
}
]
},
{
"statusCode": "404",
"description": "Not found error",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"example": "{\"message\":\"Resource not found\"}",
"description": "Error payload",
"customType": "Error",
"schema": [
{
"name": "message",
"kind": "required",
"type": "string",
"description": "Message describing the error",
"example": "Not found"
},
{
"name": "errors",
"kind": "optional",
"type": "map",
"description": "Additional information",
"example": "",
"customType": "map",
"schema": []
}
],
"modelRef": "#/components/schemas/Error",
"isExpanded": true
}
]
}
],
"hasXCodeSamples": false,
"examples": {
"languages": [
{
"id": "FQZmwEgwFIIYs6Wx_GN6x",
"language": "curl",
"label": "cURL",
"code": "curl --request GET \\\n --url 'https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions?offset=5&page_size=10' \\\n --header 'accept: application/json'"
},
{
"id": "alY2uaV0V89qrofC9EqyB",
"language": "javascript",
"label": "javascript",
"code": "var myHeaders = new Headers();\nmyHeaders.append(\"accept\", \"application/json\");\nmyHeaders.append(\"content-type\", \"application/json\");\n\nvar requestOptions = {\n method: 'GET',\n headers: myHeaders,\n redirect: 'follow'\n};\n\nfetch(\"https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions?offset=5&page_size=10\", requestOptions)\n .then(response => response.text())\n .then(result => console.log(result))\n .catch(error => console.log('error', error));"
},
{
"id": "wuhstZQ-eaIgyrvWXeSZS",
"language": "ruby",
"label": "Ruby",
"code": "require \"uri\"\nrequire \"json\"\nrequire \"net/http\"\n\nurl = URI(\"https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions?offset=5&page_size=10\")\n\nhttps = Net::HTTP.new(url.host, url.port)\nhttps.use_ssl = true\n\nrequest = Net::HTTP::Get.new(url)\nrequest[\"accept\"] = \"application/json\"\nrequest[\"content-type\"] = \"application/json\"\n\nresponse = https.request(request)\nputs response.read_body\n"
},
{
"id": "-H0PwYpcp-Ct-zbwr2l_J",
"language": "python",
"label": "Python",
"code": "import requests\nimport json\n\nurl = \"https://api.cmp.optimizely.com/v3/tasks/{task_id}/structured-contents/{content_id}/versions?offset=5&page_size=10\"\n\npayload = {}\nheaders = {\n 'accept': 'application/json',\n 'content-type': 'application/json'\n}\n\nresponse = requests.request(\"GET\", url, headers=headers, data=payload)\n\nprint(response.text)\n"
}
],
"selectedLanguageId": "FQZmwEgwFIIYs6Wx_GN6x"
},
"results": {
"languages": [
{
"id": "UvK_Up8FwthBXp3xxDpfK",
"language": "200",
"code": "// List of versions of the task structured content\n{\n \"data\": [\n {\n \"version_guid\": \"31a6d15b09c54a04935203eb958ae058\",\n \"created_at\": \"2026-10-02T09:15:00Z\",\n \"created_by\": \"5c52cc153db27d0e5141146f\",\n \"source_metadata\": \"\",\n \"links\": {\n \"structured_content\": \"https://api.cmp.optimizely.com/v3/tasks/645cb61c966d0c591320f636/structured-contents/a24b834428a043ab8caed1ded4606f7d\",\n \"web_urls\": {\n \"self\": \"https://cmp.optimizely.com/go/5c52cc153db27d0e5141146f/tasks/645cb61c966d0c591320f636/structured-contents/a24b834428a043ab8caed1ded4606f7d/versions/31a6d15b09c54a04935203eb958ae058\"\n }\n }\n }\n ],\n \"pagination\": {}\n}"
},
{
"id": "8y93eGvDRphj6d-4rKK8O",
"language": "400",
"code": "// Client error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
},
{
"id": "agtH2O0gcWslYszo4PDFg",
"language": "401",
"code": "// Authorization error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
},
{
"id": "HUO8nCkAPWel7vkhuEWRX",
"language": "403",
"code": "// Permission error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
},
{
"id": "-LgM8UiIWllBUM-E66d3D",
"language": "404",
"code": "// Not found error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
}
],
"selectedLanguageId": "UvK_Up8FwthBXp3xxDpfK"
}
},
"children": [
{
"text": ""
}
]
}