Preview the deployed workflows and explicitly selected resources that a new workspace fork would copy. The result is read-only and supplies the fingerprint required by Fork Workspace. Workspace API keys return 403; use a personal API key or scoped OAuth token.
OAuth scope: api:write.
/api/v2/workspaces/{workspaceId}/fork/previewYour Sim API key, personal or workspace-scoped. Generate one under Settings, then API Keys. Operations that reject workspace keys say so in their own description.
In: header
Path Parameters
Explicit current workspace scope.
1 <= length <= 128Request Body
application/json
The body for this operation.
TypeScript Definitions
Use the request body type in TypeScript.
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X POST "https://www.sim.ai/api/v2/workspaces/string/fork/preview" \ -H "X-API-Key: YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{}'{
"data": {
"previewFingerprint": "string",
"sourceWorkspaceId": "string",
"workflows": [
{
"sourceWorkflowId": "string",
"name": "string"
}
],
"selectedResourceCount": 0,
"draftOnly": true
}
}{
"error": {
"code": "BAD_REQUEST",
"message": "Invalid request"
}
}{
"error": {
"code": "UNAUTHORIZED",
"message": "Authentication required"
}
}{
"error": {
"code": "FORBIDDEN",
"message": "Insufficient workspace permissions",
"details": {
"code": "INSUFFICIENT_WORKSPACE_ROLE"
}
}
}{
"error": {
"code": "NOT_FOUND",
"message": "Not found"
}
}{
"error": {
"code": "CONFLICT",
"message": "Webhook path already in use"
}
}{
"error": {
"code": "PAYLOAD_TOO_LARGE",
"message": "Request body is too large"
}
}{
"error": {
"code": "RATE_LIMITED",
"message": "API rate limit exceeded",
"details": {
"retryAfter": "2026-01-01T00:00:30.000Z"
}
}
}{
"error": {
"code": "INTERNAL_ERROR",
"message": "Internal server error"
}
}{
"error": {
"code": "SERVICE_UNAVAILABLE",
"message": "Service temporarily unavailable"
}
}