First, sign up and get your API token.
Create a new bank account (the routing number should be correct, for instance: 011103093). Skip the demo account.
Go to the developer panel and get the bankAccountId of your newly created bank account.
/quickpay/mailcheck{
"source" :
{
"accountType" : "bankaccount",
"accountId" : "{{bankAccountId}}"
},
"destination":
{
"name": "John Myres",
"company": "Tyler Payment Technologist",
"address1" :"12456 richmond rd",
"address2":"Apartment 2022",
"city":"Tyler",
"state":"TX",
"zip":"75701",
"phone":"9032457713",
"email":"support@onlinecheckwriter.com",
"shippingTypeId" : 1
},
"payment_details":
{
"amount":984,
"memo":"for game",
"note": "Note For Internal Purpose"
}
}
Reference : https://apiv3.onlinecheckwriter.com/#ab01c63f-3797-4f19-815a-ad9ad453ce4f