Allowed Scopes: experimental:request:read
Returns a single request by ID. Only card, purchase order, invoice, credit note, travel and claim requests are returned: single_purchase, subscription, subscription_increase, multi_use_card, multi_use_card_top_up, multi_use_card_end_date_change, card_load, purchase_order, invoice, credit_note, travel_budget, travel_booking, expense, mileage_allowance or per_diem_allowance. A purchase_order request returns 404 unless the token also holds the experimental:purchase-order:read scope, and an invoice or credit_note request unless it holds the experimental:invoice:read scope. A claim returns 404 unless the company has the claims feature enabled, and also when it is a draft, incomplete or paid.