---
title: GET /tasks
slug: content-marketing-platform/api/get-tasks
docTags:
createdAt: 2026-10-01T18:51:26.265Z
---
{
"id": "zukpOY0sqvIM9CrVGVL9a",
"type": "api-oas-v2",
"data": {
"method": "GET",
"url": "https://api.cmp.optimizely.com/v3/tasks",
"servers": [
{
"url": "https://api.cmp.optimizely.com/v3/tasks",
"description": "v3 version of Optimizely CMP Open API"
}
],
"name": "GET /tasks",
"description": "Experimental Get a list of tasks.
\nPick one style of date filter per request. Either use start_date and due_date, or use the __from and __to filters. A request that mixes the two styles returns a 400 error.
",
"contentType": "application/json",
"request": {
"pathParameters": [],
"headerParameters": [
{
"name": "accept",
"type": "string",
"kind": "optional",
"description": "Generated from available response content types",
"enum": [
"application/json"
],
"default": "application/json"
}
],
"queryParameters": [
{
"kind": "optional",
"name": "search_key",
"type": "string",
"example": "task 1",
"description": "Search for task title"
},
{
"kind": "optional",
"name": "campaign",
"type": "string",
"example": "8n7f910o51b00b722o0418n30cie8211",
"description": "Campaign id of the tasks"
},
{
"kind": "optional",
"name": "workflow",
"type": "string",
"example": "8n7f910o51b00b722o0418n30cie8211",
"description": "Workflow id of the tasks"
},
{
"kind": "optional",
"name": "milestone",
"type": "string",
"example": "8n7f910o51b00b722o0418n30cie8211",
"description": "Milestone id of the tasks"
},
{
"kind": "optional",
"name": "start_date",
"type": "string",
"example": "2022-08-24T00:00:00.000Z",
"description": "Warning: Deprecated
",
"deprecated": true
},
{
"kind": "optional",
"name": "due_date",
"type": "string",
"example": "2022-08-24T00:00:00.000Z",
"description": "Warning: Deprecated
",
"deprecated": true
},
{
"kind": "optional",
"name": "start_date__from",
"type": "string",
"example": "2022-08-24T00:00:00Z",
"description": "Date and time as the lower limit to filter tasks by their start date, in ISO 8601 UTC format
",
"format": "date-time"
},
{
"kind": "optional",
"name": "start_date__to",
"type": "string",
"example": "2022-08-31T23:59:59Z",
"description": "Date and time as the upper limit to filter tasks by their start date, in ISO 8601 UTC format
",
"format": "date-time"
},
{
"kind": "optional",
"name": "due_date__from",
"type": "string",
"example": "2022-08-24T00:00:00Z",
"description": "Date and time as the lower limit to filter tasks by their due date, in ISO 8601 UTC format
",
"format": "date-time"
},
{
"kind": "optional",
"name": "due_date__to",
"type": "string",
"example": "2022-08-31T23:59:59Z",
"description": "Date and time as the upper limit to filter tasks by their due date, in ISO 8601 UTC format
",
"format": "date-time"
},
{
"kind": "optional",
"name": "status",
"type": "array",
"example": "[\"In Progress\",\"Not Started\"]",
"description": "Filter tasks by status. Provide multiple statuses to filter tasks across multiple statuses.",
"schema": [],
"itemType": "string",
"customType": "string[]"
},
{
"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 fetched tasks",
"jsonExample": "",
"isExpanded": true,
"schema": [
{
"kind": "optional",
"type": "object",
"description": "",
"schema": [
{
"name": "data",
"kind": "required",
"type": "array",
"description": "List of tasks",
"modelRef": "#/components/schemas/TaskListResponseItem",
"customType": "TaskListResponseItem[]",
"schema": [
{
"name": "id",
"kind": "required",
"type": "string",
"description": "Unique identifier of the task",
"example": "837f910551b00a722e0418830cee6612"
},
{
"name": "title",
"kind": "required",
"type": "string",
"description": "Title of the task",
"example": "The awesome task"
},
{
"name": "start_at",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Start date of the task in ISO 8601 UTC format",
"example": "2024-06-01T06:00:00Z"
},
{
"name": "due_at",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Due date of the task in ISO 8601 UTC format",
"example": "2024-06-01T06:00:00Z"
},
{
"name": "modified_at",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Modified date of the task in ISO 8601 UTC format",
"example": "2024-06-01T06:00:00Z"
},
{
"name": "reference_id",
"kind": "required",
"type": "string",
"description": "Reference identifier of the task",
"example": "TSK-1589"
},
{
"name": "is_completed",
"kind": "required",
"type": "boolean",
"description": "Whether the task is completed or not",
"example": false
},
{
"name": "is_archived",
"kind": "required",
"type": "boolean",
"description": "Whether the task is archived or not",
"example": false
},
{
"name": "campaign_id",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Unique identifier of the campaign",
"example": "8n7f910o51b00b722o0418n30cie8211"
},
{
"name": "workflow_id",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Unique identifier of the workflow",
"example": "8n7f910o51b00b722o0418n30cie8211"
},
{
"name": "milestone_id",
"kind": "required",
"type": "string",
"nullable": true,
"description": "Unique identifier of the milestone",
"example": "8n7f910o51b00b722o0418n30cie8211"
},
{
"name": "status",
"kind": "required",
"type": "string",
"description": "Current status of the task",
"example": "Not Started",
"enum": [
"Archived",
"Completed",
"Overdue",
"Not Started",
"In Progress",
"On Hold"
]
},
{
"name": "links",
"kind": "required",
"type": "object",
"description": "Meta links",
"example": "",
"schema": [
{
"name": "self",
"kind": "required",
"type": "string",
"description": "URL of the task",
"example": "https://api.cmp.optimizely.com/v3/tasks/5d7f910551b00a722e0418830cee5534"
},
{
"name": "campaign",
"kind": "required",
"type": "string",
"nullable": true,
"description": "URL of the campaign that the task is associated with",
"example": "https://api.cmp.optimizely.com/v3/campaigns/2e7f9107351b00a722e0412230cee5534"
},
{
"name": "workflow",
"kind": "required",
"type": "string",
"nullable": true,
"description": "URL of the workflow the task",
"example": "https://api.cmp.optimizely.com/v3/workflows/63f1c2b675be4132854d2741"
},
{
"name": "milestone",
"kind": "required",
"type": "string",
"nullable": true,
"description": "URL of the milestone that the task is associated with",
"example": "https://api.cmp.optimizely.com/v3/milestones/63f1c2b675be4132854d2741"
},
{
"name": "web_urls",
"kind": "required",
"type": "object",
"description": "Web URLs",
"example": "",
"schema": [
{
"name": "self",
"kind": "required",
"type": "string",
"description": "Web URL of the task",
"example": "https://cmp.optimizely.com/cloud/taskv3/5c52cc153db27d0e5141146f"
}
]
}
]
}
]
},
{
"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?offset=10&page_size=10"
}
]
}
],
"schema": []
}
],
"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
}
]
}
],
"hasXCodeSamples": false,
"examples": {
"languages": [
{
"id": "HeCCVEIqkKywIn-yZ7_Z8",
"language": "curl",
"label": "cURL",
"code": "curl --request GET \\\n --url 'https://api.cmp.optimizely.com/v3/tasks?offset=5&page_size=10' \\\n --header 'accept: application/json'"
},
{
"id": "r0KAeuMw521mE6IU3Gg6v",
"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?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": "ZB6xXGeooSZdMAmZslj-M",
"language": "ruby",
"label": "Ruby",
"code": "require \"uri\"\nrequire \"json\"\nrequire \"net/http\"\n\nurl = URI(\"https://api.cmp.optimizely.com/v3/tasks?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": "RBR68R9mlYt6ehUBx1Z98",
"language": "python",
"label": "Python",
"code": "import requests\nimport json\n\nurl = \"https://api.cmp.optimizely.com/v3/tasks?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": "HeCCVEIqkKywIn-yZ7_Z8"
},
"results": {
"languages": [
{
"id": "response-0-200",
"language": "200",
"code": "// List of fetched tasks\n{\n \"data\": [\n {\n \"id\": \"837f910551b00a722e0418830cee6612\",\n \"title\": \"The awesome task\",\n \"start_at\": \"2024-06-01T06:00:00Z\",\n \"due_at\": \"2024-06-01T06:00:00Z\",\n \"modified_at\": \"2024-06-01T06:00:00Z\",\n \"reference_id\": \"TSK-1589\",\n \"is_completed\": false,\n \"is_archived\": false,\n \"campaign_id\": \"8n7f910o51b00b722o0418n30cie8211\",\n \"workflow_id\": \"8n7f910o51b00b722o0418n30cie8211\",\n \"milestone_id\": \"8n7f910o51b00b722o0418n30cie8211\",\n \"status\": \"Not Started\",\n \"links\": {\n \"self\": \"https://api.cmp.optimizely.com/v3/tasks/5d7f910551b00a722e0418830cee5534\",\n \"campaign\": \"https://api.cmp.optimizely.com/v3/campaigns/2e7f9107351b00a722e0412230cee5534\",\n \"workflow\": \"https://api.cmp.optimizely.com/v3/workflows/63f1c2b675be4132854d2741\",\n \"milestone\": \"https://api.cmp.optimizely.com/v3/milestones/63f1c2b675be4132854d2741\",\n \"web_urls\": {\n \"self\": \"https://cmp.optimizely.com/cloud/taskv3/5c52cc153db27d0e5141146f\"\n }\n }\n }\n ],\n \"pagination\": {}\n}"
},
{
"id": "response-1-401",
"language": "401",
"code": "// Authorization error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
},
{
"id": "response-2-403",
"language": "403",
"code": "// Permission error\n{\n \"message\": \"Not found\",\n \"errors\": \"\"\n}"
}
],
"selectedLanguageId": "response-0-200"
}
},
"children": [
{
"text": ""
}
]
}