To file a claim with most pet insurance providers, you will fill out an online form or mail. You also need to submit paperwork from your vet, who served as the determining factor for approving said invoice provided during the checkout process at the time of purchase. It includes information about what happened (e veterinary visit), how much it costs, and any medical expenses incurred since then! All these are ways in which you will be able to make a claim. For ensuring that the claim gets processed quickly, you should have everything well organized and how it is being sought.