put
{protocol}://{base-url}/integration/v2/term/
Update terms in bulk. This method will replace values for fields in custom_fields at the field level, meaning that if an object set field already has values. Those values will be replaced entirely by the value passed.
IMPORTANT: You must include the template_id when using custom_fieldsto update the terms. The template_id is an ID of the custom template visual configuration assigned to the term.