Checkout (Brazil)

Use the Checkout API for a secure checkout via SmartFastPay. It auto-presents relevant payment types to shoppers, easing purchase with methods like Bank Transfer, PIX, and more.

---

POST /transaction/checkout

Request

curl -v --location --request POST 'https://sandbox.smartfastpay.com/transaction/checkout' \
    --header 'Content-Type: application/json' \
    --header 'Authorization: Bearer <Access-Token>' \
    --data-raw '{
        "customer_id": "58f0c005-3b7d-4c75-81f3-93b9a6fee864",
        "name": "Richard Roe",
        "email": "[e-mail]",
        "amount": 4300,
        "currency": "USD",
        "callback": "http://mysite.com/api/notification",
        "transaction": {
            "id": "b08e3897-6505-4bb4-81a5-6e3a1d29e277",
            "redirect": {
                "url": "http://mysite.com/success_payment",
                "type": "URL"
            }
        },
        "payment": {
            "method": ["pix","boleto","picpay","bank_transfer"]
        }
    }'

Parameters details

Parameter	Type	Required	Description
customer_id	string min: 1 | max: 255	yes	The customer id stored on your platform for future identification.
branch	string min: 1 | max: 255	no	When the merchant needs to keep track of its various offices / branch, this field must be fill.
name	string min: 3 | max: 150	yes	Name of the customer who started the transaction.
email	string min: 30 | max: 255	yes	Email of the customer who started the transaction.
document	string Format: 99999999999	yes	Brazilian document (CPF) of the customer who started the transaction. - Must be a valid CPF document; Eg: 12345678909
amount	decimal (10,2) min: 2	yes	The amount that the client specified when initiating the transaction showed IN DOLLARS (use dot instead of comma) Eg: 300.10
currency	string (3) (USD or BRL) min: 3 | max: 3	no	The currency type that the amount will be credited. If USD is provided there will be a conversion from USD to BRL, if BRL is provided there will be no conversion. This parameter is optional, if currency isn't provided it will auto-select USD. Default: USD
callback	string min: 30 | max: 250 (Method: POST)	yes	The URL in you site that our API will notify when the payment changes the status, the HTTP supported method should be HTTP Eg: http://my-url-callback/
transaction
id	string min: 1 | max: 255	yes	The id of the transaction generated in you platform.
payment
method	array min: 1	no	By using this field, our checkout page will only list the payment methods entered here. Allowed: pix, picpay, boleto and bank_transfer
redirect
url	string min: 30 | max: 250	yes	Redirect URL that we will set to our "back to website" button after the transaction was completed
type	string (HTML or URL) min: 0 | max: 10	yes	Return type of the request, if HTML is provided the request will return the HTML of the page, if URL is provided the request will return a URL with that will redirect to the HTML page rendered.

Response (URL)

{
    "requestId": "a2435636-5f69-447d-8e22-8382f62ef7dd",
    "data": {
        "url": "https://sandbox-checkout.smartfastpay.com/v1/cbfc1b2e-b1d7-42c0-8dc5-ffe94d64938e"
        "transaction_id": "cbfc1b2e-b1d7-42c0-8dc5-ffe94d64938e",
        "expires_in": 1694786912
    }
}

Response (HTML)