API relationships
From Charitylog Manual
Relationships are created using the clients endpoint. An example call would look like:
[PUT] https://api.dizions.co.uk/v2/clients/relationship_details/set/37/59
[
{ 'id': 44, 'relation_first_to_second': '6', 'relation_second_to_first': '5', 'major': 'Y' }
]