{
  "openapi" : "3.0.1",
  "info" : {
    "title" : "CRM Tasks Series",
    "description" : "Basepom for all HubSpot Projects",
    "version" : "2026-09-beta",
    "x-hubspot-product-tier-requirements" : {
      "marketing" : "FREE",
      "sales" : "FREE",
      "service" : "FREE",
      "cms" : "FREE",
      "commerce" : "FREE",
      "crmHub" : "FREE",
      "dataHub" : "FREE"
    }
  },
  "servers" : [ {
    "url" : "https://api.hubapi.com"
  } ],
  "tags" : [ {
    "name" : "Advanced"
  }, {
    "name" : "Basic"
  } ],
  "paths" : {
    "/crm/task-series/2026-09-beta" : {
      "post" : {
        "tags" : [ "Advanced" ],
        "summary" : "Create",
        "description" : "Create a new task series in the HubSpot CRM. This endpoint allows you to start a series of tasks by providing the necessary properties and series details. It is useful for automating repetitive task sequences within your CRM workflows.",
        "operationId" : "post-/crm/task-series/2026-09-beta",
        "parameters" : [ ],
        "requestBody" : {
          "content" : {
            "application/json" : {
              "schema" : {
                "$ref" : "#/components/schemas/StartTaskSeriesBody"
              },
              "example" : null
            }
          },
          "required" : true
        },
        "responses" : {
          "200" : {
            "description" : "successful operation",
            "content" : {
              "application/json" : {
                "schema" : {
                  "$ref" : "#/components/schemas/PublicTaskSeriesResponse"
                },
                "example" : null
              }
            }
          },
          "default" : {
            "description" : "",
            "$ref" : "#/components/responses/Error"
          }
        },
        "security" : [ {
          "oauth2" : [ "crm.objects.contacts.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets" ]
        }, {
          "oauth2" : [ "crm.objects.commercepayments.write" ]
        }, {
          "oauth2" : [ "crm.objects.goals.write" ]
        }, {
          "oauth2" : [ "crm.objects.line_items.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.write" ]
        }, {
          "oauth2" : [ "crm.objects.products.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.services.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.deals.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets.highly_sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.listings.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.write" ]
        }, {
          "oauth2" : [ "crm.objects.courses.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.write" ]
        }, {
          "oauth2" : [ "tickets.sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.highly_sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.companies.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tasks-write" ]
        } ]
      }
    },
    "/crm/task-series/2026-09-beta/{taskId}" : {
      "get" : {
        "tags" : [ "Basic" ],
        "summary" : "Retrieve task series",
        "description" : "Retrieve details of a specific task series using its unique identifier. This endpoint allows you to access the properties and series information associated with the specified taskId. It's useful for obtaining detailed information about a task series, including any custom properties.",
        "operationId" : "get-/crm/task-series/2026-09-beta/{taskId}",
        "parameters" : [ {
          "name" : "taskId",
          "in" : "path",
          "description" : "The unique identifier of the task series to retrieve. This is required to specify which task series you are interested in.",
          "required" : true,
          "style" : "simple",
          "explode" : false,
          "schema" : {
            "type" : "integer",
            "format" : "int64",
            "example" : null
          }
        }, {
          "name" : "properties",
          "in" : "query",
          "description" : "A comma-separated list of property names to include in the response. This allows you to specify which properties of the task series you want to retrieve.",
          "required" : false,
          "style" : "form",
          "explode" : true,
          "schema" : {
            "type" : "array",
            "example" : null,
            "items" : {
              "type" : "string",
              "example" : null
            }
          }
        } ],
        "responses" : {
          "200" : {
            "description" : "successful operation",
            "content" : {
              "application/json" : {
                "schema" : {
                  "$ref" : "#/components/schemas/PublicTaskSeriesResponse"
                },
                "example" : null
              }
            }
          },
          "default" : {
            "description" : "",
            "$ref" : "#/components/responses/Error"
          }
        },
        "security" : [ {
          "oauth2" : [ "crm.objects.deals.highly_sensitive.read.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.highly_sensitive.read.v2" ]
        }, {
          "oauth2" : [ "tickets" ]
        }, {
          "oauth2" : [ "crm.objects.projects.sensitive.read" ]
        }, {
          "oauth2" : [ "crm.objects.goals.read" ]
        }, {
          "oauth2" : [ "crm.objects.deals.read" ]
        }, {
          "oauth2" : [ "crm.objects.line_items.read" ]
        }, {
          "oauth2" : [ "crm.objects.services.read" ]
        }, {
          "oauth2" : [ "crm.objects.deals.sensitive.read.v2" ]
        }, {
          "oauth2" : [ "tickets.highly_sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.read" ]
        }, {
          "oauth2" : [ "crm.objects.projects.highly_sensitive.read" ]
        }, {
          "oauth2" : [ "crm.objects.courses.read" ]
        }, {
          "oauth2" : [ "tickets.sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.read" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.highly_sensitive.read.v2" ]
        }, {
          "oauth2" : [ "crm.objects.listings.read" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.sensitive.read.v2" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.read" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.sensitive.read.v2" ]
        }, {
          "oauth2" : [ "crm.objects.products.read" ]
        }, {
          "oauth2" : [ "crm.objects.projects.read" ]
        }, {
          "oauth2" : [ "crm.objects.companies.sensitive.read.v2" ]
        }, {
          "oauth2" : [ "crm.schemas.tasks.read" ]
        }, {
          "oauth2" : [ "crm.objects.tasks.read" ]
        } ]
      },
      "delete" : {
        "tags" : [ "Basic" ],
        "summary" : "Delete",
        "description" : "Delete a specific task series in your HubSpot account using its unique identifier. This operation permanently removes the task series, and it cannot be undone. Ensure that you have the necessary permissions to perform this action.",
        "operationId" : "delete-/crm/task-series/2026-09-beta/{taskId}",
        "parameters" : [ {
          "name" : "taskId",
          "in" : "path",
          "description" : "The unique identifier of the task series to delete. It must be an integer.",
          "required" : true,
          "style" : "simple",
          "explode" : false,
          "schema" : {
            "type" : "integer",
            "format" : "int64",
            "example" : null
          }
        } ],
        "responses" : {
          "204" : {
            "description" : "No content",
            "content" : { }
          },
          "default" : {
            "description" : "",
            "$ref" : "#/components/responses/Error"
          }
        },
        "security" : [ {
          "oauth2" : [ "crm.objects.contacts.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets" ]
        }, {
          "oauth2" : [ "crm.objects.commercepayments.write" ]
        }, {
          "oauth2" : [ "crm.objects.goals.write" ]
        }, {
          "oauth2" : [ "crm.objects.line_items.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.write" ]
        }, {
          "oauth2" : [ "crm.objects.products.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.services.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.deals.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets.highly_sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.listings.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.write" ]
        }, {
          "oauth2" : [ "crm.objects.courses.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.write" ]
        }, {
          "oauth2" : [ "tickets.sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.highly_sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.companies.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tasks-write" ]
        } ]
      },
      "patch" : {
        "tags" : [ "Basic" ],
        "summary" : "Update task series",
        "description" : "Update the details of a specific task series in your HubSpot account. This endpoint allows you to modify properties and series configurations for the task identified by the taskId. Use this to adjust task scheduling or update task-related information.",
        "operationId" : "patch-/crm/task-series/2026-09-beta/{taskId}",
        "parameters" : [ {
          "name" : "taskId",
          "in" : "path",
          "description" : "The unique identifier of the task series to update.",
          "required" : true,
          "style" : "simple",
          "explode" : false,
          "schema" : {
            "type" : "integer",
            "format" : "int64",
            "example" : null
          }
        } ],
        "requestBody" : {
          "content" : {
            "application/json" : {
              "schema" : {
                "$ref" : "#/components/schemas/UpdateTaskSeriesBody"
              },
              "example" : null
            }
          },
          "required" : true
        },
        "responses" : {
          "200" : {
            "description" : "successful operation",
            "content" : {
              "application/json" : {
                "schema" : {
                  "$ref" : "#/components/schemas/PublicTaskSeriesResponse"
                },
                "example" : null
              }
            }
          },
          "default" : {
            "description" : "",
            "$ref" : "#/components/responses/Error"
          }
        },
        "security" : [ {
          "oauth2" : [ "crm.objects.contacts.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets" ]
        }, {
          "oauth2" : [ "crm.objects.commercepayments.write" ]
        }, {
          "oauth2" : [ "crm.objects.goals.write" ]
        }, {
          "oauth2" : [ "crm.objects.line_items.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.write" ]
        }, {
          "oauth2" : [ "crm.objects.products.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.write" ]
        }, {
          "oauth2" : [ "crm.objects.contacts.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.services.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.deals.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tickets.highly_sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.listings.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.write" ]
        }, {
          "oauth2" : [ "crm.objects.courses.write" ]
        }, {
          "oauth2" : [ "crm.objects.appointments.write" ]
        }, {
          "oauth2" : [ "tickets.sensitive.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.write" ]
        }, {
          "oauth2" : [ "crm.objects.projects.highly_sensitive.write" ]
        }, {
          "oauth2" : [ "crm.objects.companies.sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.deals.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "crm.objects.companies.highly_sensitive.write.v2" ]
        }, {
          "oauth2" : [ "tasks-write" ]
        } ]
      }
    }
  },
  "components" : {
    "schemas" : {
      "Error" : {
        "required" : [ "category", "correlationId", "message" ],
        "type" : "object",
        "properties" : {
          "category" : {
            "type" : "string",
            "description" : "The error category, represented as a string.",
            "example" : null
          },
          "context" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "array",
              "example" : null,
              "items" : {
                "type" : "string",
                "example" : null
              }
            },
            "description" : "An object providing context about the error condition, with additional properties as arrays of strings.",
            "example" : "{invalidPropertyName=[propertyValue], missingScopes=[scope1, scope2]}"
          },
          "correlationId" : {
            "type" : "string",
            "description" : "A unique identifier for the request, represented as a UUID. This should be included with any error reports or support tickets.",
            "format" : "uuid",
            "example" : "aeb5f871-7f07-4993-9211-075dc63e7cbf"
          },
          "errors" : {
            "type" : "array",
            "description" : "An array providing further information about the error, where each item is an ErrorDetail object.",
            "example" : null,
            "items" : {
              "$ref" : "#/components/schemas/ErrorDetail"
            }
          },
          "links" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "string",
              "example" : null
            },
            "description" : "A map of link names to associated URIs containing documentation about the error or recommended remediation steps, represented as an object with string properties.",
            "example" : null
          },
          "message" : {
            "type" : "string",
            "description" : "A human readable message describing the error along with remediation steps where appropriate. It is a string.",
            "example" : "An error occurred"
          },
          "subCategory" : {
            "type" : "string",
            "description" : "A specific category that contains more detailed information about the error, represented as a string.",
            "example" : null
          }
        },
        "description" : "Represents an error response returned by the API when an operation fails. This component is used in various endpoints to provide detailed information about the error encountered.",
        "example" : {
          "message" : "Invalid input (details will vary based on the error)",
          "correlationId" : "aeb5f871-7f07-4993-9211-075dc63e7cbf",
          "category" : "VALIDATION_ERROR",
          "links" : {
            "knowledge-base" : "https://www.hubspot.com/products/service/knowledge-base"
          }
        }
      },
      "ErrorDetail" : {
        "required" : [ "message" ],
        "type" : "object",
        "properties" : {
          "code" : {
            "type" : "string",
            "description" : "The status code associated with the error detail.",
            "example" : null
          },
          "context" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "array",
              "example" : null,
              "items" : {
                "type" : "string",
                "example" : null
              }
            },
            "description" : "Context about the error condition, represented as an object where each key is a context name and the value is an array of strings providing additional details.",
            "example" : "{missingScopes=[scope1, scope2]}"
          },
          "in" : {
            "type" : "string",
            "description" : "The name of the field or parameter in which the error was found.",
            "example" : null
          },
          "message" : {
            "type" : "string",
            "description" : "A human readable message describing the error along with remediation steps where appropriate. This is a required property.",
            "example" : null
          },
          "subCategory" : {
            "type" : "string",
            "description" : "A specific category that contains more specific detail about the error.",
            "example" : null
          }
        },
        "description" : "Represents detailed information about an error that occurred in the API. This component is used to provide additional context and specifics about errors, typically as part of an error response.",
        "example" : null
      },
      "PublicTaskSeries" : {
        "type" : "object",
        "properties" : {
          "repeatInterval" : {
            "type" : "string",
            "description" : "The recurrence schedule as a standards-compliant RFC-5545 RRULE string.",
            "example" : "RRULE:FREQ=WEEKLY;BYDAY=MO,WE,FR"
          },
          "repeatStatus" : {
            "type" : "string",
            "description" : "A string representing the current status of the task series repetition.",
            "example" : null
          },
          "startsAt" : {
            "type" : "string",
            "description" : "The date and time when the task series is scheduled to start, in ISO 8601 format.",
            "format" : "date-time",
            "example" : null
          }
        },
        "example" : null
      },
      "PublicTaskSeriesResponse" : {
        "required" : [ "id", "properties", "series" ],
        "type" : "object",
        "properties" : {
          "createdAt" : {
            "type" : "string",
            "description" : "The date and time when the task series was created, in ISO 8601 format.",
            "format" : "date-time",
            "example" : null
          },
          "id" : {
            "type" : "string",
            "description" : "The unique identifier for the task series, represented as a string.",
            "example" : null
          },
          "properties" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "string",
              "example" : null
            },
            "description" : "A map of custom property names to their values, where each value is a string.",
            "example" : null
          },
          "series" : {
            "$ref" : "#/components/schemas/PublicTaskSeries"
          },
          "updatedAt" : {
            "type" : "string",
            "description" : "The date and time when the task series was last updated, in ISO 8601 format.",
            "format" : "date-time",
            "example" : null
          }
        },
        "example" : null
      },
      "StartTaskSeriesBody" : {
        "required" : [ "properties", "series", "taskId" ],
        "type" : "object",
        "properties" : {
          "properties" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "string",
              "example" : null
            },
            "description" : "A map of additional property names to their values, represented as a string-to-string object.",
            "example" : null
          },
          "series" : {
            "$ref" : "#/components/schemas/PublicTaskSeries"
          },
          "taskId" : {
            "type" : "integer",
            "description" : "The unique identifier for the task, represented as an integer in int64 format.",
            "format" : "int64",
            "example" : null
          }
        },
        "example" : null
      },
      "UpdateTaskSeriesBody" : {
        "type" : "object",
        "properties" : {
          "properties" : {
            "type" : "object",
            "additionalProperties" : {
              "type" : "string",
              "example" : null
            },
            "description" : "A map of additional property names to their values, represented as key-value pairs where both keys and values are strings.",
            "example" : null
          },
          "series" : {
            "$ref" : "#/components/schemas/PublicTaskSeries"
          }
        },
        "example" : null
      }
    },
    "responses" : {
      "Error" : {
        "description" : "An error occurred.",
        "content" : {
          "*/*" : {
            "schema" : {
              "$ref" : "#/components/schemas/Error"
            },
            "example" : null
          }
        }
      }
    },
    "securitySchemes" : {
      "developer_hapikey" : {
        "type" : "apiKey",
        "name" : "hapikey",
        "in" : "query"
      },
      "oauth2" : {
        "type" : "oauth2",
        "flows" : {
          "authorizationCode" : {
            "authorizationUrl" : "https://app.hubspot.com/oauth/authorize",
            "tokenUrl" : "https://api.hubapi.com/oauth/v1/token",
            "scopes" : {
              "crm.objects.appointments.read" : "",
              "crm.objects.appointments.sensitive.read.v2" : "",
              "crm.objects.appointments.sensitive.write.v2" : "",
              "crm.objects.appointments.write" : "",
              "crm.objects.commercepayments.write" : "",
              "crm.objects.companies.highly_sensitive.read.v2" : "",
              "crm.objects.companies.highly_sensitive.write.v2" : "",
              "crm.objects.companies.read" : "",
              "crm.objects.companies.sensitive.read.v2" : "",
              "crm.objects.companies.sensitive.write.v2" : "",
              "crm.objects.companies.write" : "",
              "crm.objects.contacts.highly_sensitive.read.v2" : "",
              "crm.objects.contacts.highly_sensitive.write.v2" : "",
              "crm.objects.contacts.read" : "",
              "crm.objects.contacts.sensitive.read.v2" : "",
              "crm.objects.contacts.sensitive.write.v2" : "",
              "crm.objects.contacts.write" : "",
              "crm.objects.courses.read" : "",
              "crm.objects.courses.write" : "",
              "crm.objects.deals.highly_sensitive.read.v2" : "",
              "crm.objects.deals.highly_sensitive.write.v2" : "",
              "crm.objects.deals.read" : "",
              "crm.objects.deals.sensitive.read.v2" : "",
              "crm.objects.deals.sensitive.write.v2" : "",
              "crm.objects.deals.write" : "",
              "crm.objects.goals.read" : "",
              "crm.objects.goals.write" : "",
              "crm.objects.line_items.read" : "",
              "crm.objects.line_items.write" : "",
              "crm.objects.listings.read" : "",
              "crm.objects.listings.write" : "",
              "crm.objects.products.read" : "",
              "crm.objects.products.write" : "",
              "crm.objects.projects.highly_sensitive.read" : "",
              "crm.objects.projects.highly_sensitive.write" : "",
              "crm.objects.projects.read" : "",
              "crm.objects.projects.sensitive.read" : "",
              "crm.objects.projects.sensitive.write" : "",
              "crm.objects.projects.write" : "",
              "crm.objects.services.read" : "",
              "crm.objects.services.write" : "",
              "crm.objects.tasks.read" : "",
              "crm.schemas.tasks.read" : "",
              "tasks-write" : "",
              "tickets" : "",
              "tickets.highly_sensitive.v2" : "",
              "tickets.sensitive.v2" : ""
            }
          }
        }
      },
      "private_apps" : {
        "type" : "apiKey",
        "name" : "private-app",
        "in" : "header"
      },
      "private_apps_legacy" : {
        "type" : "apiKey",
        "name" : "private-app-legacy",
        "in" : "header"
      }
    }
  },
  "x-hubspot-product-tier-requirements" : {
    "marketing" : "FREE",
    "sales" : "FREE",
    "service" : "FREE",
    "cms" : "FREE",
    "commerce" : "FREE",
    "crmHub" : "FREE",
    "dataHub" : "FREE"
  }
}