curl --request POST \
  --url https://tars.loopscale.com/v1/markets/creditbook/refinance \
  --header 'Content-Type: application/json' \
  --data '
{
  "loan": "<string>",
  "newStrategy": "<string>",
  "oldStrategy": "<string>",
  "principalMint": "<string>",
  "refinanceParams": {
    "assetIndexGuidance": [
      1
    ],
    "durationIndex": 1,
    "ledgerIndex": 1
  }
}
'

import requests

url = "https://tars.loopscale.com/v1/markets/creditbook/refinance"

payload = {
    "loan": "<string>",
    "newStrategy": "<string>",
    "oldStrategy": "<string>",
    "principalMint": "<string>",
    "refinanceParams": {
        "assetIndexGuidance": [1],
        "durationIndex": 1,
        "ledgerIndex": 1
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    loan: '<string>',
    newStrategy: '<string>',
    oldStrategy: '<string>',
    principalMint: '<string>',
    refinanceParams: {assetIndexGuidance: [1], durationIndex: 1, ledgerIndex: 1}
  })
};

fetch('https://tars.loopscale.com/v1/markets/creditbook/refinance', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://tars.loopscale.com/v1/markets/creditbook/refinance",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'loan' => '<string>',
    'newStrategy' => '<string>',
    'oldStrategy' => '<string>',
    'principalMint' => '<string>',
    'refinanceParams' => [
        'assetIndexGuidance' => [
                1
        ],
        'durationIndex' => 1,
        'ledgerIndex' => 1
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://tars.loopscale.com/v1/markets/creditbook/refinance"

	payload := strings.NewReader("{\n  \"loan\": \"<string>\",\n  \"newStrategy\": \"<string>\",\n  \"oldStrategy\": \"<string>\",\n  \"principalMint\": \"<string>\",\n  \"refinanceParams\": {\n    \"assetIndexGuidance\": [\n      1\n    ],\n    \"durationIndex\": 1,\n    \"ledgerIndex\": 1\n  }\n}")

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

	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))

}

HttpResponse<String> response = Unirest.post("https://tars.loopscale.com/v1/markets/creditbook/refinance")
  .header("Content-Type", "application/json")
  .body("{\n  \"loan\": \"<string>\",\n  \"newStrategy\": \"<string>\",\n  \"oldStrategy\": \"<string>\",\n  \"principalMint\": \"<string>\",\n  \"refinanceParams\": {\n    \"assetIndexGuidance\": [\n      1\n    ],\n    \"durationIndex\": 1,\n    \"ledgerIndex\": 1\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://tars.loopscale.com/v1/markets/creditbook/refinance")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"loan\": \"<string>\",\n  \"newStrategy\": \"<string>\",\n  \"oldStrategy\": \"<string>\",\n  \"principalMint\": \"<string>\",\n  \"refinanceParams\": {\n    \"assetIndexGuidance\": [\n      1\n    ],\n    \"durationIndex\": 1,\n    \"ledgerIndex\": 1\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "expectedLoanInfo": {
    "collateral": [
      {
        "amount": 1,
        "assetIdentifier": "<string>",
        "assetMint": "<string>",
        "assetType": 1,
        "index": 1,
        "loan": "<string>",
        "id": 1,
        "lastInteractedTime": 1,
        "lastInteractedTxn": "<string>",
        "writeVersion": 1
      }
    ],
    "collateralYieldPct": 123,
    "ledgers": [
      {
        "apy": 1,
        "duration": 1,
        "durationType": 1,
        "endTime": 1,
        "interestOutstanding": 1,
        "interestPerSecond": 123,
        "lastInteractedTime": 1,
        "lastInteractedTxn": "<string>",
        "lastInterestUpdatedTime": 1,
        "ledgerIndex": 1,
        "loan": "<string>",
        "lqtRatios": [
          1
        ],
        "ltvRatios": [
          1
        ],
        "marketInformation": "<string>",
        "principalDue": 1,
        "principalMint": "<string>",
        "principalRepaid": 1,
        "startTime": 1,
        "status": 1,
        "strategy": "<string>",
        "weights": [
          1
        ],
        "id": 1,
        "isLoop": 123,
        "writeVersion": 1
      }
    ],
    "loan": {
      "address": "<string>",
      "borrower": "<string>",
      "bump": 1,
      "closed": true,
      "lastInteractedTime": 1,
      "lastInteractedTxn": "<string>",
      "loanStatus": 1,
      "nonce": 1,
      "startTime": 1,
      "writeVersion": 1,
      "id": 1
    },
    "loanType": 1,
    "principalYieldPct": 123,
    "events": [
      {
        "action": "addCollateral",
        "actionMetadata": {
          "type": "addCollateral"
        },
        "amount": 1,
        "assetIdentifier": "<string>",
        "eventTime": 1,
        "eventTxn": "<string>",
        "id": 1,
        "loan": "<string>",
        "assetMint": "<string>",
        "newLender": "<string>",
        "originalLender": "<string>",
        "usdPrice": 123
      }
    ],
    "matrixUpdates": [
      {
        "ledgerIndex": 1,
        "loan": "<string>",
        "lqtRatios": [
          1
        ],
        "ltvRatios": [
          1
        ],
        "timestamp": 1,
        "txnSignature": "<string>",
        "weights": [
          1
        ],
        "writeVersion": 1,
        "id": 1
      }
    ],
    "pastLedgers": [
      {
        "apy": 1,
        "duration": 1,
        "durationType": 1,
        "endTime": 1,
        "interestOutstanding": 1,
        "interestPerSecond": 123,
        "lastInteractedTime": 1,
        "lastInteractedTxn": "<string>",
        "lastInterestUpdatedTime": 1,
        "ledgerIndex": 1,
        "loan": "<string>",
        "lqtRatios": [
          1
        ],
        "ltvRatios": [
          1
        ],
        "marketInformation": "<string>",
        "principalDue": 1,
        "principalMint": "<string>",
        "principalRepaid": 1,
        "startTime": 1,
        "status": 1,
        "strategy": "<string>",
        "weights": [
          1
        ],
        "id": 1,
        "isLoop": 123,
        "writeVersion": 1
      }
    ]
  },
  "transactions": [
    {
      "message": "<string>",
      "signatures": [
        {
          "publicKey": "<string>",
          "signature": "<string>"
        }
      ]
    }
  ]
}

{
  "error": {
    "code": 400,
    "message": "Request could not be processed.",
    "simulation": {
      "decoded": "<string>",
      "logs": [
        "<string>"
      ],
      "serializedTransaction": "<string>"
    }
  }
}

{
  "error": {
    "code": 400,
    "message": "Request could not be processed.",
    "simulation": {
      "decoded": "<string>",
      "logs": [
        "<string>"
      ],
      "serializedTransaction": "<string>"
    }
  }
}

{
  "error": {
    "code": 400,
    "message": "Request could not be processed.",
    "simulation": {
      "decoded": "<string>",
      "logs": [
        "<string>"
      ],
      "serializedTransaction": "<string>"
    }
  }
}

{
  "error": {
    "code": 400,
    "message": "Request could not be processed.",
    "simulation": {
      "decoded": "<string>",
      "logs": [
        "<string>"
      ],
      "serializedTransaction": "<string>"
    }
  }
}