It turns out that Elavon developer help does indeed have Postman request templates. You have to ask for them from the the help team. They are not part of the on-line documentation. Here is the template for getting a token.
{
"info": {
"_postman_id": "95a1529d-5dd5-4714-9a28-823f4c363fd3",
"name": "transactionToken",
"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
},
"item": [
{
"name": "Transaction Token",
"request": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"name": "Content-Type",
"value": "application/x-www-form-urlencoded",
"type": "text"
}
],
"body": {
"mode": "urlencoded",
"urlencoded": [
{
"key": "ssl_merchant_id",
"value": "",
"type": "text"
},
{
"key": "ssl_user_id",
"value": "",
"type": "text"
},
{
"key": "ssl_pin",
"value": "",
"type": "text"
},
{
"key": "ssl_transaction_type",
"value": "ccsale",
"type": "text"
},
{
"key": "ssl_amount",
"value": "1.00",
"type": "text"
}
]
},
"url": {
"raw": "https://demo.convergepay.com/hosted-payments/transaction_token",
"protocol": "https",
"host": [
"demo",
"convergepay",
"com"
],
"path": [
"hosted-payments",
"transaction_token"
]
}
},
"response": []
}
],
"protocolProfileBehavior": {}
}