Enable/disable project

$ErrorActionPreference = "Stop";

# Define working variables
$octopusURL = "https://your-octopus-url"
$octopusAPIKey = "API-YOUR-KEY"
$header = @{ "X-Octopus-ApiKey" = $octopusAPIKey }
$spaceName = "Default"
$projectName = "MyProject"
$projectEnabled = $False

# Get space
$spaces = Invoke-RestMethod -Uri "$octopusURL/api/spaces?partialName=$([uri]::EscapeDataString($spaceName))&skip=0&take=100" -Headers $header 
$space = $spaces.Items | Where-Object { $_.Name -eq $spaceName }

# Get project
$projects = Invoke-RestMethod -Uri "$octopusURL/api/$($space.Id)/projects?partialName=$([uri]::EscapeDataString($projectName))&skip=0&take=100" -Headers $header 
$project = $projects.Items | Where-Object { $_.Name -eq $projectName }

# Enable/Disable project
$project.IsDisabled = !$projectEnabled

# Save project changes
Invoke-RestMethod -Method Put -Uri "$octopusURL/api/$($space.Id)/projects/$($project.Id)" -Headers $header -Body ($project | ConvertTo-Json -Depth 10)

import json
import requests
import sys

# instantiate working variables
octopus_server_uri = 'https://your-octopus-url'
octopus_api_key = 'API-YOUR-KEY'
params = {'API-Key': octopus_api_key}
space_name = 'Default'
project_name = 'ProjectName'
#Set disable_project to 'True' to disable | 'False' to enable.
disable_project = True

# Get Space
spaces = requests.get("{url}/api/spaces?partialName={space}&skip=0&take=100".format(url=octopus_server_uri, space=space_name), params)
spaces_data = json.loads(spaces.text)
for item in spaces_data['Items']:
    if item['Name'] == space_name:
        space = item
    else:
        sys.exit("The Space with name {spaceName} cannot be found.".format(spaceName=space_name))

# Get Project
projects = requests.get("{url}/api/{spaceID}/projects?partialName={projectName}&skip=0&take=100".format(url=octopus_server_uri, spaceID=space['Id'], projectName=project_name), params)
projects_data = json.loads(projects.text)
for item in projects_data['Items']:
    if item['Name'] == project_name:
        project = item
    else:
        sys.exit("Project with name {projectName} cannot be found.".format(projectName=project_name))

# Enable/Disable Project
project['IsDisabled'] = disable_project

# Save Changes
uri = "{url}/api/{spaceID}/projects/{projectID}".format(url=octopus_server_uri, spaceID=space['Id'], projectID=project['Id'])
change = requests.put(uri, headers={'X-Octopus-ApiKey': octopus_api_key}, data=json.dumps(project))
if change.status_code == 200:
	print("Request Successful.")
else:
	print("Error - Request Code: {code}".format(code=change.status_code))

package main

import (
	"fmt"
	"log"
	"net/url"

	"github.com/OctopusDeploy/go-octopusdeploy/octopusdeploy"
)

func main() {

	apiURL, err := url.Parse("https://your-octopus-url")
	if err != nil {
		log.Println(err)
	}
	APIKey := "API-YOUR-KEY"
	spaceName := "Default"
	projectName := "MyProject"
	enabled := true

	// Get reference to space
	space := GetSpace(apiURL, APIKey, spaceName)

	// Create client object
	client := octopusAuth(apiURL, APIKey, space.ID)

	// Get project
	project := GetProject(apiURL, APIKey, space, projectName)

	// Enable/disable project
	project.IsDisabled = !enabled
	client.Projects.Update(project)
}

func octopusAuth(octopusURL *url.URL, APIKey, space string) *octopusdeploy.Client {
	client, err := octopusdeploy.NewClient(nil, octopusURL, APIKey, space)
	if err != nil {
		log.Println(err)
	}

	return client
}

func GetSpace(octopusURL *url.URL, APIKey string, spaceName string) *octopusdeploy.Space {
	client := octopusAuth(octopusURL, APIKey, "")

	spaceQuery := octopusdeploy.SpacesQuery{
		Name: spaceName,
	}

	// Get specific space object
	spaces, err := client.Spaces.Get(spaceQuery)

	if err != nil {
		log.Println(err)
	}

	for _, space := range spaces.Items {
		if space.Name == spaceName {
			return space
		}
	}

	return nil
}

func GetProject(octopusURL *url.URL, APIKey string, space *octopusdeploy.Space, projectName string) *octopusdeploy.Project {
	// Create client
	client := octopusAuth(octopusURL, APIKey, space.ID)

	projectsQuery := octopusdeploy.ProjectsQuery {
		Name: projectName,
	}

	// Get specific project object
	projects, err := client.Projects.Get(projectsQuery)

	if err != nil {
		log.Println(err)
	}

	for _, project := range projects.Items {
		if project.Name == projectName {
			return project
		}
	}

	return nil
}