Create Collection Field | Webflow Developer Documentation

Create a custom field in a collection.

Field validation is currently not available through the API.

Bulk creation of fields is not supported with this endpoint. To add multiple fields at once, include them when you create the collection.

Required scope | cms:write

AuthorizationBearer

Bearer authentication of the form Bearer <token>, where token is your auth token.

collection_idstringRequiredformat: "objectid"

Unique identifier for a Collection

The field to create

Static FieldobjectRequired

Option FieldobjectRequired

Reference FieldobjectRequired

Request was successful

Static Fieldobject

Option Fieldobject

Reference Fieldobject

400

Bad Request Error

401

Unauthorized Error

404

Not Found Error

409

Conflict Error

429

Too Many Requests Error

500

Internal Server Error

$	curl -X POST https://api.webflow.com/beta/collections/580e63fc8c9a982ac9b8b745/fields \
>	-H "Authorization: Bearer <token>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"isRequired": false,
>	"type": "RichText",
>	"displayName": "Post Body",
>	"helpText": "Add the body of your post here"
>	}'

1	{
2	"id": "562ac0395358780a1f5e6fbc",
3	"isEditable": true,
4	"isRequired": false,
5	"type": "RichText",
6	"displayName": "Post Body",
7	"helpText": "Add the body of your post here"
8	}

$	curl -X POST https://api.webflow.com/beta/collections/580e63fc8c9a982ac9b8b745/fields \
>	-H "Authorization: Bearer <token>" \
>	-H "Content-Type: application/json" \
>	-d '{
>	"isRequired": false,
>	"type": "RichText",
>	"displayName": "Post Body",
>	"helpText": "Add the body of your post here"
>	}'

1	{
2	"id": "562ac0395358780a1f5e6fbc",
3	"isEditable": true,
4	"isRequired": false,
5	"type": "RichText",
6	"displayName": "Post Body",
7	"helpText": "Add the body of your post here"
8	}