V2-Records API using External ID-Update Records using External ID

Number of APIs: 4

1. Updating a record through the value of the external field in the module PUT {{api-domain}}/crm/v2/Contacts/extcont1234

2. Updating a record through the external value of a lookup record in that module PUT {{api-domain}}/crm/v2/Contacts

3. Updating an inventory module's record with external fields in the line items PUT {{api-domain}}/crm/v2/Quotes/quote1

4. Updating a subform lookup record through an external field in the associated module PUT {{api-domain}}/crm/v2/Contacts/extcontact2