# Create Membership Policy Creates a new membership policy for the requesting practice group. Endpoint: POST /v1/invoicing/membership-policies Version: 1.0.0 Security: apiKeyAuth, practiceGroupId ## Response 200 fields (application/json): - `id` (string,null) - `practice_group_id` (string,null) - `membership_scheme_id` (string,null) ## Response 400 fields (application/json): - `error` (boolean, required) - `statusCode` (number, required) - `message` (array, required) - `message.code` (string, required) - `message.expected` (string, required) - `message.path` (array, required) ## Response 401 fields ## Response 404 fields ## Response 500 fields