# Copper — CRM API: gotchas

> Canonical URL: https://developers.apideck.com/apis/crm/copper/gotchas

## POST /crm/opportunities

The `primary_contact_id` is required in the request body

[API reference](https://developers.apideck.com/apis/crm/reference.md) · [Coverage matrix](https://developers.apideck.com/apis/crm/coverage)