code: func (c *Client) GetInstitutionByID(id string) (resp GetInstitutionByIDResponse, err error) {
  	if id == "" {
  		return resp, errors.New("/institutions/get_by_id - institution id must be specified")
  	}
  
  	jsonBody, err := json.Marshal(getInstitutionByIDRequest{
  		ID:        id,
  		PublicKey: c.publicKey,
  	})
  
  	if err != nil {
  		return resp, err
  	}
  
  	err = c.Call("/institutions/get_by_id", jsonBody, &resp)
  	return resp, err
  }
docs: // GetInstitutionByID returns information for a single institution given an ID.
  // See https://plaid.com/docs/api/#institutions-by-id.