Update a contact custom field

PATCH

contacts

custom-fields

{fieldId}

curl -X PATCH "https://api.nedzo.ai/v1/contacts/custom-fields/5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "position": 2 }'

{ "id": "5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f", "workspaceId": "789e4567-e89b-12d3-a456-426614174000", "name": "Lead Source", "type": "text", "position": 2, "createdAt": "2026-10-11T12:00:00Z", "updatedAt": "2026-10-12T09:00:00Z" }

Every plan can use this endpoint. Send at least one field.

Path Parameters

string

required

Custom field UUID

Body

string

The new name, 1 to 255 characters after trimming.

string

One of text, number, date or boolean.

integer

Where the field sits in the list, a whole number from 0 up.

curl -X PATCH "https://api.nedzo.ai/v1/contacts/custom-fields/5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "position": 2 }'

{ "id": "5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f", "workspaceId": "789e4567-e89b-12d3-a456-426614174000", "name": "Lead Source", "type": "text", "position": 2, "createdAt": "2026-10-11T12:00:00Z", "updatedAt": "2026-10-12T09:00:00Z" }

Errors

Status	When
`400`	`fieldId` is not a UUID, the body is empty (`Nothing to update`), or a field breaks its limit.
`404`	No custom field has this id, or it is not in this key’s scope.

curl -X PATCH "https://api.nedzo.ai/v1/contacts/custom-fields/5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "position": 2 }'

{ "id": "5c1d2e3f-4a5b-4c6d-8e7f-9a0b1c2d3e4f", "workspaceId": "789e4567-e89b-12d3-a456-426614174000", "name": "Lead Source", "type": "text", "position": 2, "createdAt": "2026-10-11T12:00:00Z", "updatedAt": "2026-10-12T09:00:00Z" }

API Reference

Workspaces

Agents

Phone Numbers

Contacts

Knowledge

Templates

Campaigns

Workflows

Conversations

Update a contact custom field

Path Parameters

Body

Errors