The Fulfillment Fee will offset the rising costs of packaging your books for shipping in a durable, safe, and responsible manner. This small fee will appear as a line item in the print costs charged to you, and varies depending on the product specifications and quantity ordered. The Print Job Cost Calculation endpoint in the API includes this fee. We suggest adding this to your checkout to pass this fee to your buyers. Refer to this chart for details regarding order quantity and the Fulfillment Fee: QuantityUSDGPBEURAUDCAD1$1.50£1.15€1.30$2.10$2.002-3$2.00£1.55€1.70$2.80$2.654-9$2.50£1.90€2.15$3.50$3.3010-19$3.00£2.25€2.50$4.25$4.0020-29$3.00£2.25€2.50$4.25$4.0030-59$4.00£3.00€3.50$5.50$5.2560-89$6.00£4.50€5.25$8.50$8.0090-109$8.00£6.25€6.75$11.25$10.50110-149$12.00£9.00€10.50$17.00$16.00150-199$15.00£11.50€13.00$21.00$20.00200-249$18.00£14.00€15.50$25.00$24.00250-299$20.00£16.00€18.00$28.00$27.00300-499$25.00£20.00€22.00$35.00$34.00500-999$30.00£23.00€26.00$42.00$40.001000-4999$40.00£31.00€35.00$56.00$53.005000-∞$50.00£39.00€43.00$70.00$67.00