v4: Client.Pages.Projects.Deployments.New() Returns 400 Bad Request with Valid Payload

[MAM-SYS]

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Confirm this is a Go library issue and not an underlying Cloudflare API issue

• [x] This is an issue with the Go library

Describe the bug

Calling Client.Pages.Projects.Deployments.New with a properly constructed ProjectDeploymentNewParams results in the following error:

400 Bad Request {
  "result": null,
  "success": false,
  "errors": [
    {
      "code": 8000096,
      "message": "A \"manifest\" field was expected in the request body but was not provided."
    }
  ],
  "messages": []
}

Based on this API conventions, it seems that both the manifest field and the uploaded assets file are required.

To Reproduce

1 - Create a Cloudflare client 2 - Create a Cloudflare page by Client.Pages.Projects.New(...) 3 - Try to deploy it by Client.Pages.Projects.Deployments.New(...) with pages.ProjectDeploymentNewParams{...} as param

Code snippets

func deployPanel(ctx context.Context) {
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	select {
	case <-ctx.Done():
		return
	case token := <-oauthTokenChan:
		cfClient = cf.NewClient(option.WithAPIToken(token.AccessToken))
		...
	}

	...
	
	for {
		fmt.Printf("\n%s Deploying Page...\n", title)
		_, err := deployPage(ctx, project)
		if err != nil {
			failMessage("Error deploying page", err)
			if response := promptUser("Would you like to try again? (y/n): "); strings.ToLower(response) == "n" {
				return
			}
			continue
		}
		successMessage("Page deployed successfully!")
		break
	}
}

func deployPage(ctx context.Context, project *pages.Project) (*pages.Deployment, error) {
	return cfClient.Pages.Projects.Deployments.New(
		ctx,
		project.Name,
		pages.ProjectDeploymentNewParams{AccountID: cf.F(cfAccount.ID)},
	)
}

OS

macOS

Go version

1.24.1

Library version

github.com/cloudflare/cloudflare-go/[email protected]