Validate workflow

Validate a workflow structure without saving it. Checks for:

• Valid node connections and port compatibility
• Required configuration fields
• Circular dependencies
• Orphaned nodes
• Missing required inputs

POST /workflows/validate

Validate workflow

cURL

curl --request POST \
  --url http://localhost:5173/api/flowdrop/workflows/validate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "My AI Workflow",
  "nodes": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "type": "calculator",
      "position": {
        "x": 100,
        "y": 200
      },
      "data": {
        "label": "Math Calculator",
        "config": {
          "instanceTitle": "Email Summarizer",
          "instanceDescription": "Summarizes incoming emails into 3 bullet points",
          "instanceBadge": "LLM",
          "nodeType": "simple",
          "model": "gpt-4o-mini",
          "temperature": 0.7,
          "maxTokens": 1000,
          "apiKey": "sk-...",
          "dynamicInputs": [
            {
              "name": "extra_data",
              "label": "Extra Data",
              "dataType": "json",
              "required": false
            }
          ],
          "dynamicOutputs": [
            {
              "name": "result",
              "label": "Result",
              "dataType": "string"
            }
          ],
          "branches": [
            {
              "name": "success",
              "label": "Success",
              "condition": "status === 200"
            },
            {
              "name": "error",
              "label": "Error",
              "isDefault": true
            }
          ]
        },
        "metadata": {
          "id": "calculator",
          "name": "Calculator",
          "description": "Perform mathematical operations on input data",
          "category": "processing",
          "version": "1.0.0",
          "inputs": [
            {
              "id": "json",
              "name": "JSON Response",
              "dataType": "mixed",
              "required": false,
              "description": "Parsed JSON response from the HTTP request",
              "defaultValue": "<unknown>",
              "schema": {
                "type": "object",
                "properties": {
                  "user": {
                    "type": "object",
                    "title": "User",
                    "description": "User information",
                    "properties": {
                      "id": {
                        "type": "integer",
                        "description": "User ID"
                      },
                      "name": {
                        "type": "string",
                        "description": "User full name"
                      },
                      "email": {
                        "type": "string",
                        "description": "User email address"
                      },
                      "address": {
                        "type": "object",
                        "title": "Address",
                        "properties": {
                          "street": {
                            "type": "string"
                          },
                          "city": {
                            "type": "string"
                          },
                          "country": {
                            "type": "string"
                          }
                        }
                      }
                    }
                  },
                  "orders": {
                    "type": "array",
                    "title": "Orders",
                    "description": "List of user orders",
                    "items": {
                      "type": "object",
                      "properties": {
                        "order_id": {
                          "type": "string"
                        },
                        "product_name": {
                          "type": "string"
                        },
                        "quantity": {
                          "type": "integer"
                        },
                        "price": {
                          "type": "number"
                        }
                      }
                    }
                  }
                }
              }
            }
          ],
          "outputs": [
            {
              "id": "json",
              "name": "JSON Response",
              "dataType": "mixed",
              "required": false,
              "description": "Parsed JSON response from the HTTP request",
              "defaultValue": "<unknown>",
              "schema": {
                "type": "object",
                "properties": {
                  "user": {
                    "type": "object",
                    "title": "User",
                    "description": "User information",
                    "properties": {
                      "id": {
                        "type": "integer",
                        "description": "User ID"
                      },
                      "name": {
                        "type": "string",
                        "description": "User full name"
                      },
                      "email": {
                        "type": "string",
                        "description": "User email address"
                      },
                      "address": {
                        "type": "object",
                        "title": "Address",
                        "properties": {
                          "street": {
                            "type": "string"
                          },
                          "city": {
                            "type": "string"
                          },
                          "country": {
                            "type": "string"
                          }
                        }
                      }
                    }
                  },
                  "orders": {
                    "type": "array",
                    "title": "Orders",
                    "description": "List of user orders",
                    "items": {
                      "type": "object",
                      "properties": {
                        "order_id": {
                          "type": "string"
                        },
                        "product_name": {
                          "type": "string"
                        },
                        "quantity": {
                          "type": "integer"
                        },
                        "price": {
                          "type": "number"
                        }
                      }
                    }
                  }
                }
              }
            }
          ],
          "supportedTypes": [],
          "icon": "mdi:calculator",
          "color": "#3b82f6",
          "badge": "API",
          "portDataType": "trigger",
          "tags": [
            "math",
            "calculation",
            "processing"
          ],
          "formats": [
            "agentspec"
          ],
          "extensions": {
            "ui": {
              "hideUnconnectedHandles": true,
              "style": {
                "opacity": 0.8
              }
            },
            "agentspec:component_type": "llm_node",
            "myapp:analytics": {
              "trackUsage": true,
              "customField": "value"
            }
          }
        },
        "isProcessing": true,
        "error": "<string>",
        "nodeId": "<string>",
        "extensions": {
          "ui": {
            "hideUnconnectedHandles": true,
            "style": {
              "opacity": 0.8
            }
          },
          "agentspec:component_type": "llm_node",
          "myapp:analytics": {
            "trackUsage": true,
            "customField": "value"
          }
        }
      },
      "deletable": true
    }
  ],
  "edges": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "source": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "target": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "sourceHandle": "<string>",
      "targetHandle": "<string>",
      "selectable": true,
      "deletable": true,
      "data": {
        "label": "<string>",
        "condition": "<string>",
        "metadata": {
          "sourcePortDataType": "<string>"
        },
        "isToolConnection": true,
        "targetNodeType": "<string>",
        "targetCategory": "<string>"
      }
    }
  ],
  "metadata": {
    "schemaVersion": "1.0.0",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "author": "admin",
    "tags": [
      "ai",
      "production"
    ],
    "versionId": "<string>",
    "updateNumber": 123,
    "format": "flowdrop"
  },
  "description": "<string>",
  "config": {}
}
'

200

{
  "success": true,
  "data": {
    "valid": true,
    "errors": [
      "<string>"
    ],
    "warnings": [
      "<string>"
    ],
    "suggestions": [
      "<string>"
    ]
  },
  "message": "<string>",
  "error": "<string>"
}

Authorizations

BearerAuthSessionAuth

Authorization · string · header · required

JWT token for authentication

Body

application/json

id · string<uuid> · required

Workflow UUID

name · string · required

Workflow name

Maximum string length: 200

Example:

"My AI Workflow"

nodes · object[] · required

Workflow nodes

Show child attributes

edges · object[] · required

Workflow edges

Show child attributes

metadata · object · required

Show child attributes

description · string

Workflow description

Maximum string length: 1000

config · object

Custom workflow-level configuration values. Populated when a workflowSettingsSchema is provided to the editor.

Response

200

application/json

Validation results

success · boolean

Whether the request was successful

data · object

Response data (type varies by endpoint)

Show child attributes

message · string

Response message

error · string

Error message (if any)