Check Surcharge

Prior to completing a transaction, you can use this endpoint to check if a transaction will incur a surcharge.

This endpoint expects an object.

midstringRequired

Merchant Account ID

postalstringRequired

Cardholder’s postal code

account_tokenstringRequired

Tokenized account number

amountstringOptional

Transaction amount

Successful response with surcharge information

tokenstringOptional

Type of payment method

postalstringOptional

Status of postal code restrictions

fee_amountstringOptional

Surcharge fee amount

messageslist of stringsOptional

Any additional messages or warnings

1	import requests
2
3	url = "https://javelin.runpayments.io/api/v1/surcharge"
4
5	payload = {
6	"mid": "1234567890",
7	"postal": "10001",
8	"account_token": "tok_123456789abcdef",
9	"amount": "100.00"
10	}
11	headers = {
12	"Authorization": "Bearer <token>",
13	"Content-Type": "application/json"
14	}
15
16	response = requests.post(url, json=payload, headers=headers)
17
18	print(response.json())