curl --request QUERY \
  --url https://app.synthetic.ai/api/v1/invoice-previews \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contractId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "terms": {
    "startAt": "2023-11-07T05:31:56Z",
    "endAt": "2023-11-07T05:31:56Z",
    "paymentTermsDays": 4503599627370495,
    "lineItems": [
      {
        "description": "<string>",
        "amount": {
          "value": 0
        }
      }
    ]
  }
}
'

import requests

url = "https://app.synthetic.ai/api/v1/invoice-previews"

payload = {
    "contractId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "terms": {
        "startAt": "2023-11-07T05:31:56Z",
        "endAt": "2023-11-07T05:31:56Z",
        "paymentTermsDays": 4503599627370495,
        "lineItems": [
            {
                "description": "<string>",
                "amount": { "value": 0 }
            }
        ]
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.request("QUERY", url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'QUERY',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    contractId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    terms: {
      startAt: '2023-11-07T05:31:56Z',
      endAt: '2023-11-07T05:31:56Z',
      paymentTermsDays: 4503599627370495,
      lineItems: [{description: '<string>', amount: {value: 0}}]
    }
  })
};

fetch('https://app.synthetic.ai/api/v1/invoice-previews', 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://app.synthetic.ai/api/v1/invoice-previews",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "QUERY",
  CURLOPT_POSTFIELDS => json_encode([
    'contractId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'terms' => [
        'startAt' => '2023-11-07T05:31:56Z',
        'endAt' => '2023-11-07T05:31:56Z',
        'paymentTermsDays' => 4503599627370495,
        'lineItems' => [
                [
                                'description' => '<string>',
                                'amount' => [
                                                                'value' => 0
                                ]
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://app.synthetic.ai/api/v1/invoice-previews"

	payload := strings.NewReader("{\n  \"contractId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"terms\": {\n    \"startAt\": \"2023-11-07T05:31:56Z\",\n    \"endAt\": \"2023-11-07T05:31:56Z\",\n    \"paymentTermsDays\": 4503599627370495,\n    \"lineItems\": [\n      {\n        \"description\": \"<string>\",\n        \"amount\": {\n          \"value\": 0\n        }\n      }\n    ]\n  }\n}")

	req, _ := http.NewRequest("QUERY", 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))

}

HttpResponse<String> response = Unirest.customMethod("QUERY","https://app.synthetic.ai/api/v1/invoice-previews")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contractId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"terms\": {\n    \"startAt\": \"2023-11-07T05:31:56Z\",\n    \"endAt\": \"2023-11-07T05:31:56Z\",\n    \"paymentTermsDays\": 4503599627370495,\n    \"lineItems\": [\n      {\n        \"description\": \"<string>\",\n        \"amount\": {\n          \"value\": 0\n        }\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

class Net::HTTP::Query < Net::HTTPRequest
  METHOD = 'QUERY'
  REQUEST_HAS_BODY = 'true'
  RESPONSE_HAS_BODY = true
end

url = URI("https://app.synthetic.ai/api/v1/invoice-previews")

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

request = Net::HTTP::Query.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"contractId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"terms\": {\n    \"startAt\": \"2023-11-07T05:31:56Z\",\n    \"endAt\": \"2023-11-07T05:31:56Z\",\n    \"paymentTermsDays\": 4503599627370495,\n    \"lineItems\": [\n      {\n        \"description\": \"<string>\",\n        \"amount\": {\n          \"value\": 0\n        }\n      }\n    ]\n  }\n}"

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

{
  "data": [
    {
      "periodStartAt": "2023-11-07T05:31:56Z",
      "periodEndAt": "2023-11-07T05:31:56Z",
      "scheduledIssueAt": "2023-11-07T05:31:56Z",
      "paymentTermsDays": 0,
      "plannedDueAt": "2023-11-07T05:31:56Z",
      "totalAmount": {
        "value": 0,
        "currencyCode": "USD"
      },
      "lines": [
        {
          "contractLineItemId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "description": "<string>",
          "billingStartAt": "2023-11-07T05:31:56Z",
          "billingEndAt": "2023-11-07T05:31:56Z",
          "amount": {
            "value": 0,
            "currencyCode": "USD"
          }
        }
      ],
      "hasUnfinalizedChanges": true
    }
  ],
  "hasMore": true,
  "nextCursor": "<string>",
  "prevCursor": "<string>"
}

{
  "code": "BAD_REQUEST",
  "message": "Input validation failed",
  "issues": []
}

{
  "code": "UNAUTHORIZED",
  "message": "Unauthorized",
  "issues": []
}

{
  "code": "NOT_FOUND",
  "message": "The record does not exist for your business.",
  "issues": []
}

{
  "code": "INTERNAL_SERVER_ERROR",
  "message": "An unexpected error occurred.",
  "issues": []
}