curl --request POST \
  --url https://lender.sandbox.lerian.net/api/v1/br/tax/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "disbursementDate": "2026-06-14T12:00:00Z",
  "finalDueDate": "2026-06-14T12:00:00Z",
  "grossAmount": "100000.00",
  "jurisdictionCode": "BR",
  "taxRegime": "<string>",
  "borrowerKind": "pessoaFisica",
  "firstDueDate": "2026-03-10",
  "loanProductVersionId": "018f4e4e-7a3f-7c2e-9a1b-2c3d4e5f6071",
  "netDeliveredAmount": "99949.66",
  "requestedInstallments": 12,
  "requestedInterestRate": "0.02"
}
'

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://lender.sandbox.lerian.net/api/v1/br/tax/preview"

	payload := strings.NewReader("{\n  \"disbursementDate\": \"2026-06-14T12:00:00Z\",\n  \"finalDueDate\": \"2026-06-14T12:00:00Z\",\n  \"grossAmount\": \"100000.00\",\n  \"jurisdictionCode\": \"BR\",\n  \"taxRegime\": \"<string>\",\n  \"borrowerKind\": \"pessoaFisica\",\n  \"firstDueDate\": \"2026-03-10\",\n  \"loanProductVersionId\": \"018f4e4e-7a3f-7c2e-9a1b-2c3d4e5f6071\",\n  \"netDeliveredAmount\": \"99949.66\",\n  \"requestedInstallments\": 12,\n  \"requestedInterestRate\": \"0.02\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    disbursementDate: '2026-06-14T12:00:00Z',
    finalDueDate: '2026-06-14T12:00:00Z',
    grossAmount: '100000.00',
    jurisdictionCode: 'BR',
    taxRegime: '<string>',
    borrowerKind: 'pessoaFisica',
    firstDueDate: '2026-03-10',
    loanProductVersionId: '018f4e4e-7a3f-7c2e-9a1b-2c3d4e5f6071',
    netDeliveredAmount: '99949.66',
    requestedInstallments: 12,
    requestedInterestRate: '0.02'
  })
};

fetch('https://lender.sandbox.lerian.net/api/v1/br/tax/preview', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://lender.sandbox.lerian.net/api/v1/br/tax/preview"

payload = {
    "disbursementDate": "2026-06-14T12:00:00Z",
    "finalDueDate": "2026-06-14T12:00:00Z",
    "grossAmount": "100000.00",
    "jurisdictionCode": "BR",
    "taxRegime": "<string>",
    "borrowerKind": "pessoaFisica",
    "firstDueDate": "2026-03-10",
    "loanProductVersionId": "018f4e4e-7a3f-7c2e-9a1b-2c3d4e5f6071",
    "netDeliveredAmount": "99949.66",
    "requestedInstallments": 12,
    "requestedInterestRate": "0.02"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "data": {
    "cofins": "0.00",
    "grossAmount": "100000.00",
    "iofAdditional": "38.00",
    "iofDaily": "12.34",
    "jurisdictionCode": "BR",
    "netDeliveredAmount": "99949.66",
    "pis": "0.00",
    "profileVersion": "1.0.0",
    "rateTableSnapshotId": "550e8400-e29b-41d4-a716-446655440002",
    "taxRegime": "<string>",
    "totalIof": "50.34",
    "totalTax": "50.34"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}