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Fields are the core configuration for defining extraction content in file categories. DocFlow supports two types of fields: regular fields (in result.fields) and table fields (in result.tables[].fields). This guide introduces how to manage these fields via API.

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List Fields

Get all fields under a specified file category, including both regular fields and table fields: 
curl \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/list?workspace_id=<your-workspace-id>&category_id=<category-id>"
Request Parameters:
  • workspace_id (required): Workspace ID
  • category_id (required): File category ID
Response Example: 
{
  "code": 200,
  "msg": "success",
  "result": {
    "fields": [
      {
        "id": "field_123",
        "name": "Invoice Code",
        "description": "Invoice code description",
        "prompt": "Please extract the invoice code"
      },
      {
        "id": "field_456",
        "name": "Invoice Amount",
        "description": "Invoice amount description"
      }
    ],
    "tables": [
      {
        "id": "table_789",
        "name": "Item Details",
        "description": "Invoice item details table",
        "fields": [
          {
            "id": "field_101",
            "name": "Item Name",
            "description": "Item name description"
          },
          {
            "id": "field_102",
            "name": "Quantity",
            "description": "Item quantity"
          }
        ]
      }
    ]
  }
}

​
Add Field

Add a field under a specified file category, supporting both regular fields and table fields:

​
Add Regular Field

curl -X POST \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  -H "Content-Type: application/json" \
  -d '{
    "workspace_id": "<your-workspace-id>",
    "category_id": "<category-id>",
    "name": "Invoice Number",
    "description": "Invoice number description",
    "prompt": "Please extract the invoice number",
    "use_prompt": true,
    "alias": ["Invoice No", "Number"],
    "identity": "invoice_number",
    "multi_value": false
  }' \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/add"

​
Add Table Field

To add a field under a table, pass the table_id parameter: 
curl -X POST \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  -H "Content-Type: application/json" \
  -d '{
    "workspace_id": "<your-workspace-id>",
    "category_id": "<category-id>",
    "table_id": "<table-id>",
    "name": "Unit Price",
    "description": "Item unit price"
  }' \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/add"
Request Parameters:
  • workspace_id (required): Workspace ID
  • category_id (required): File category ID
  • table_id (optional): Table ID. Not provided or empty: create regular field; Provided: create table field
  • name (required): Field name
  • description (optional): Field description
  • prompt (optional): Semantic extraction prompt
  • use_prompt (optional): Whether to use semantic prompt
  • alias (optional): Array of field aliases
  • identity (optional): Export field name
  • multi_value (optional): Whether to extract multiple values
  • duplicate_value_distinct (optional): Whether to deduplicate values (only effective when multi_value is true)
  • transform_settings (optional): Transformation configuration
Response Example: 
{
  "code": 200,
  "msg": "success",
  "result": {
    "field_id": "field_new_123"
  }
}

​
Update Field

Update information for a specified field, supporting both regular fields and table fields: 
curl -X POST \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  -H "Content-Type: application/json" \
  -d '{
    "workspace_id": "<your-workspace-id>",
    "category_id": "<category-id>",
    "field_id": "<field-id>",
    "name": "Updated Field Name",
    "description": "Updated description",
    "prompt": "Updated prompt"
  }' \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/update"
Request Parameters:
  • workspace_id (required): Workspace ID
  • category_id (required): File category ID
  • field_id (required): Field ID
  • table_id (optional): Table ID. Can be omitted for regular fields; required for table fields to specify which table it belongs to
  • Other parameters same as field creation
When updating table fields, pass the table_id parameter to specify which table the field belongs to.

​
Delete Field

Delete specified field(s), supporting batch deletion of both regular fields and table fields:

​
Delete Regular Fields

curl -X POST \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  -H "Content-Type: application/json" \
  -d '{
    "workspace_id": "<your-workspace-id>",
    "category_id": "<category-id>",
    "field_ids": ["field_123", "field_456"]
  }' \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/delete"

​
Delete Table Fields

To delete table fields, pass the table_id parameter: 
curl -X POST \
  -H "x-ti-app-id: <your-app-id>" \
  -H "x-ti-secret-code: <your-secret-code>" \
  -H "Content-Type: application/json" \
  -d '{
    "workspace_id": "<your-workspace-id>",
    "category_id": "<category-id>",
    "table_id": "<table-id>",
    "field_ids": ["field_101", "field_102"]
  }' \
  "https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/delete"
Request Parameters:
  • workspace_id (required): Workspace ID
  • category_id (required): File category ID
  • field_ids (required): Array of field IDs to delete
  • table_id (optional): Table ID. Not provided: delete regular fields; Provided: delete table fields
Field deletion is irreversible. Please proceed with caution.

​
Field Configuration

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Field Types

  • Regular Field: Key-value fields stored in result.fields
  • Table Field: Table column fields stored in result.tables[].fields

​
Field Properties

  • name: Field name, required
  • description: Field description, optional
  • prompt: Semantic extraction prompt to guide AI in field extraction
  • use_prompt: Whether to use semantic prompt
  • alias: Array of field aliases for field recognition
  • identity: Export field name used as field identifier during result export
  • multi_value: Whether to extract multiple values, supports extracting multiple values for a single field
  • duplicate_value_distinct: Deduplicate values, only effective when multi_value is true
  • transform_settings: Transformation configuration, supports datetime, enum, regex, and other transformations

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Transform Configuration Example

{
  "transform_settings": {
    "type": "datetime",
    "datetime_settings": {
      "format": "yyyy-MM-dd HH:mm:ss"
    },
    "mismatch_action": {
      "mode": "warning",
      "default_value": ""
    }
  }
}

​
Next Steps