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Overview

Quick start

This guide shows the process of performing a spot sale payment, using Carat Portal's REST web service interface.

What you'll need#

  • Active account on Carat Portal's homologation environment (obtained with our support team)
  • A tool capable of performing HTTP calls, such as Postman, REST Client or cURL

Creating the transaction#

HTTP method: POST

URL: https://esitef-homologacao.softwareexpress.com.br/e-sitef/api/v1/transactions

Headers:

  • Content-Type: application/json
  • merchant_id: {your merchant id}
  • merchant_key: {your merchant key}

Request:

To use this example, don't forget to define the variable {{url}} to the value
esitef-homologacao.softwareexpress.com.br

curl
--request POST "https://{{url}}/e-sitef/api/v1/transactions"
--header "Content-Type: application/json"
--header "merchant_id: xxxxxxxx"
--header "merchant_key: xxxxxxxxxxx"
--data-binary
{
"merchant_usn":"12042142155",
"order_id":"12042142155",
"installments":"1",
"installment_type":"4",
"authorizer_id":"2",
"amount":"1"
}
--verbose

Response:

{
"code": "0",
"message": "OK. Transaction successful.",
"payment": {
"status": "NOV",
"nit": "<nit>",
"order_id": "12042142155",
"merchant_usn": "12042142155",
"amount": "1"
}
}

Learn more about this service.

Paying#

HTTP method: POST

URL: https://esitef-homologacao.softwareexpress.com.br/e-sitef/api/v1/payments/<nit>

Replace the field <nit> in the URL above with the NIT obtained in the transaction creation step.

Headers:

  • Content-Type: application/json
  • merchant_id: {your merchant id}
  • merchant_key: {your merchant key}

Request:

To use this example, don't forget to define the variable {{url}} to the value
esitef-homologacao.softwareexpress.com.br

curl
--request POST "https://{{url}}/e-sitef/api/v1/payments/<nit>"
--header "Content-Type: application/json"
--header "merchant_id: xxxxxxxx"
--header "merchant_key: xxxxxxxxxxx"
--data-binary
{
"card":{
"number":"5555555555555555",
"expiry_date":"1222",
"security_code":"601"
}
}
--verbose

Response:

{
"code": "0",
"message": "OK. Transaction successful.",
"payment": {
"authorizer_code": "000",
"authorizer_message": "Transacao OK",
"status": "CON",
"nit": "<nit>",
"order_id": "12042142155",
"customer_receipt": "====CUPOM COMPRADOR====",
"merchant_receipt": "====CUPOM ESTABELECIMENTO====",
"authorizer_id": "2",
"acquirer_id": "229",
"acquirer_name": "Bin",
"authorizer_date": "13/04/2018T10:56",
"authorization_number": "132324",
"merchant_usn": "12042142155",
"esitef_usn": "180413005038220",
"sitef_usn": "132324",
"host_usn": "999132324 ",
"amount": "1",
"payment_type": "C",
"issuer": "2",
"authorizer_merchant_id": "000000000000005",
"payment_date": "13/04/2018T10:56"
}
}

Learn more about this service.

Checking the payment status#

HTTP method: GET

URL: https://esitef-homologacao.softwareexpress.com.br/e-sitef/api/v1/transactions/<nit>

Replace the field <nit> in the URL above with the NIT obtained in the transaction creation step.

Headers:

  • Content-Type: application/json
  • merchant_id: {your merchant id}
  • merchant_key: {your merchant key}

To use this example, don't forget to define the variable {{url}} to the value
esitef-homologacao.softwareexpress.com.br

curl
--request GET "https://{{url}}/e-sitef/api/v1/transactions/<nit>"
--header "merchant_id: xxxxxxxxxxxxxxx"
--header "merchant_key: xxxxxxxxxxx"
--verbose

Response:

{
"code": "0",
"message": "OK. Transaction successful.",
"payment": {
"authorizer_code": "000",
"authorizer_message": "Transacao OK",
"status": "CON",
"nit": "<nit>",
"order_id": "12042142155",
"customer_receipt": "====CUPOM COMPRADOR====",
"merchant_receipt": "====CUPOM ESTABELECIMENTO====",
"authorizer_id": "2",
"acquirer_id": "229",
"acquirer_name": "Bin",
"authorizer_date": "13/04/2018T10:56",
"authorization_number": "132324",
"merchant_usn": "12042142155",
"esitef_usn": "180413005038220",
"sitef_usn": "132324",
"host_usn": "999132324 ",
"amount": "1",
"payment_type": "C",
"issuer": "2",
"authorizer_merchant_id": "000000000000005",
"payment_date": "13/04/2018T10:56"
}
}

Learn more about this service.