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POST
/
bases
/
{databaseId}
/
tables
/
{tableId}
/
fields
Create field
curl --request POST \
  --url https://tables.fillout.com/api/v1/bases/{databaseId}/tables/{tableId}/fields \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "type": "single_select",
  "name": "Status",
  "template": {
    "options": [
      {
        "label": "Active",
        "color": "green"
      },
      {
        "label": "Inactive",
        "color": "gray"
      }
    ]
  }
}'
{
  "id": "<string>",
  "name": "<string>",
  "type": "single_line_text",
  "template": {},
  "order": 123
}
Adds a new field to an existing table using either the table ID or table name.
Both type and name are required. The template object structure varies by field type - see Field Types Reference for complete details

​
Example Field Creation

Here’s how to create a single select field: 
{
  "type": "single_select",
  "name": "Status",
  "template": {
    "options": [
      {"label": "Active", "color": "#10b981"},
      {"label": "Inactive", "color": "#6b7280"},
      {"label": "Pending", "color": "#f59e0b"},
      {"label": "Archived", "color": "#ef4444"}
    ]
  }
}

Authorizations

​
Authorization
string
header
required

Enter your Fillout API key. Format: Bearer <api_key>

Path Parameters

​
databaseId
string
required

The unique identifier of the database

​
tableId
string
required

The unique identifier of the table. You can also use the table name instead of the ID.

Body

application/json
​
type
enum<string>
required

Field type - see Field Types Reference for complete list of available types and their configurations

Available options:
single_line_text,
long_text,
email,
url,
phone_number,
number,
currency,
percent,
rating,
duration,
single_select,
multiple_select,
checkbox,
date,
datetime,
attachment,
linked_record,
lookup
​
name
string
required

Field name

Minimum length: 1
​
template
object

Field-specific configuration options (optional - uses defaults if not provided). See Field Types Reference for detailed template structure by field type.

Response

Field created successfully

​
id
string
required

Unique identifier for the field

​
name
string
required

Name of the field

​
type
enum<string>
required

Field type - see Field Types Reference for complete list of available types and their configurations

Available options:
single_line_text,
long_text,
email,
url,
phone_number,
number,
currency,
percent,
rating,
duration,
single_select,
multiple_select,
checkbox,
date,
datetime,
attachment,
linked_record,
lookup
​
template
object
required

Field-specific configuration options. See Field Types Reference for detailed template structure by field type.

​
order
integer
required

Display order of the field