Custom Fields
Update a custom field
Partial update of a custom field definition (`name`, `field_type`, `categories`). **Requires `Idempotency-Key`.** Returns `{ data: { custom_field: {...} } }`.
PATCH /v2/custom-fields/{customFieldId}
Parameters
Path parameters
customFieldId
string (uuid) required
Header parameters
Idempotency-Key
string required
Required. UUID per logical operation, reused on every retry. See
apps/rest-api/src/shared/idempotency.ts for the full contract. Missing → 400 BadRequest; same key + different body → 409 Conflict.Request body
Content-Type: application/json
custom_field
object required
custom_field.name
string
custom_field.field_type
string enum
Possible values:
"input", "autocomplete", "datepicker"custom_field.categories
array<object>
custom_field.categories[].category
string
Example
{
"custom_field": {
"name": "string",
"field_type": "input"
}
}
Responses
200 — Successful response
Content-Type: application/json
data
object required
data.custom_field
object required
data.custom_field.id
string (uuid) required
data.custom_field.user_id
string
data.custom_field.name
string
data.custom_field.field_type
string
data.custom_field.categories
array<string>
data.custom_field.ranking
integer | null
Example
{
"data": {
"custom_field": {
"id": "00000000-0000-0000-0000-000000000000"
}
}
}
400
No response body.
401
No response body.
403
No response body.
404
No response body.
409
No response body.
429
No response body.
500
No response body.
Code samples
curl https://api.prod.getdex.com/v2/custom-fields/00000000-0000-0000-0000-000000000000 \
--request PATCH \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"custom_field": {
"name": "string",
"field_type": "input"
}
}'
fetch('https://api.prod.getdex.com/v2/custom-fields/00000000-0000-0000-0000-000000000000', {
method: 'PATCH',
headers: {
Authorization: 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
custom_field: {
name: 'string',
field_type: 'input'
}
})
})
requests.patch(
"https://api.prod.getdex.com/v2/custom-fields/00000000-0000-0000-0000-000000000000",
headers={
"Authorization": "Bearer YOUR_API_KEY",
"Content-Type": "application/json"
},
json={
"custom_field": {
"name": "string",
"field_type": "input"
}
}
)
Create a custom field
Create ONE custom field definition. Accepts `name`, `field_type` (`input` | `autocomplete` | `datepicker`), and `categories` (autocomplete only, as `[{ category }]`). Ranking is assigned automatically
Delete a custom field
Permanently delete a custom field definition (per-contact values cascade). Returns `{ data: { affected: 1, ids: [customFieldId] } }`. `Idempotency-Key` is optional. Deleting a missing field returns 40

