curl --request POST \
  --url https://lender.sandbox.lerian.net/api/v1/loan-product-versions/{id}/charge-templates \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "25.00",
  "chargeCode": "SERVICING_FEE",
  "chargeTemplateId": "SERVICING_FEE",
  "chargeType": "fee",
  "currency": "BRL",
  "effectiveFrom": "2026-04-01",
  "rate": "0",
  "refundable": false
}
'

package main

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

func main() {

	url := "https://lender.sandbox.lerian.net/api/v1/loan-product-versions/{id}/charge-templates"

	payload := strings.NewReader("{\n  \"amount\": \"25.00\",\n  \"chargeCode\": \"SERVICING_FEE\",\n  \"chargeTemplateId\": \"SERVICING_FEE\",\n  \"chargeType\": \"fee\",\n  \"currency\": \"BRL\",\n  \"effectiveFrom\": \"2026-04-01\",\n  \"rate\": \"0\",\n  \"refundable\": false\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({
    amount: '25.00',
    chargeCode: 'SERVICING_FEE',
    chargeTemplateId: 'SERVICING_FEE',
    chargeType: 'fee',
    currency: 'BRL',
    effectiveFrom: '2026-04-01',
    rate: '0',
    refundable: false
  })
};

fetch('https://lender.sandbox.lerian.net/api/v1/loan-product-versions/{id}/charge-templates', 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/loan-product-versions/{id}/charge-templates"

payload = {
    "amount": "25.00",
    "chargeCode": "SERVICING_FEE",
    "chargeTemplateId": "SERVICING_FEE",
    "chargeType": "fee",
    "currency": "BRL",
    "effectiveFrom": "2026-04-01",
    "rate": "0",
    "refundable": False
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "amount": "25.00",
  "chargeCode": "SERVICING_FEE",
  "chargeTemplateId": "SERVICING_FEE",
  "chargeType": "fee",
  "currency": "BRL",
  "effectiveFrom": "2026-04-01T00:00:00Z",
  "productVersionId": "550e8400-e29b-41d4-a716-446655440001",
  "rate": "0",
  "refundable": false
}

{
  "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"
  }
}

{
  "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"
  }
}