API to upload the template HTML content.
OK
const response = await fetch('/workspaces/{workspaceId}/projects/{projectId}/html-emails/{templateId}/content/{locale}/presigned-upload', { method: 'POST', headers: { "Content-Type": "application/json" }, body: JSON.stringify({}), }); const data = await response.json();
{ "uploadMethod": "text", "uploadUrl": "https://example.com" }