curl --request POST \
  --url https://sandbox.tight.com/v6/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "description": "Q1 2024 invoice",
      "id": "fil_28868401",
      "entityId": "btxn_28868401",
      "notes": "Received from vendor on 2024-01-15",
      "date": "2024-01-15",
      "amount": 15000,
      "customData": {
        "internal_key": "some_internal_key",
        "some_other_field": 23434
      }
    }
  ]
}
'

import requests

url = "https://sandbox.tight.com/v6/files"

payload = { "data": [
        {
            "description": "Q1 2024 invoice",
            "id": "fil_28868401",
            "entityId": "btxn_28868401",
            "notes": "Received from vendor on 2024-01-15",
            "date": "2024-01-15",
            "amount": 15000,
            "customData": {
                "internal_key": "some_internal_key",
                "some_other_field": 23434
            }
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    data: [
      {
        description: 'Q1 2024 invoice',
        id: 'fil_28868401',
        entityId: 'btxn_28868401',
        notes: 'Received from vendor on 2024-01-15',
        date: '2024-01-15',
        amount: 15000,
        customData: {internal_key: 'some_internal_key', some_other_field: 23434}
      }
    ]
  })
};

fetch('https://sandbox.tight.com/v6/files', 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://sandbox.tight.com/v6/files",
  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([
    'data' => [
        [
                'description' => 'Q1 2024 invoice',
                'id' => 'fil_28868401',
                'entityId' => 'btxn_28868401',
                'notes' => 'Received from vendor on 2024-01-15',
                'date' => '2024-01-15',
                'amount' => 15000,
                'customData' => [
                                'internal_key' => 'some_internal_key',
                                'some_other_field' => 23434
                ]
        ]
    ]
  ]),
  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://sandbox.tight.com/v6/files"

	payload := strings.NewReader("{\n  \"data\": [\n    {\n      \"description\": \"Q1 2024 invoice\",\n      \"id\": \"fil_28868401\",\n      \"entityId\": \"btxn_28868401\",\n      \"notes\": \"Received from vendor on 2024-01-15\",\n      \"date\": \"2024-01-15\",\n      \"amount\": 15000,\n      \"customData\": {\n        \"internal_key\": \"some_internal_key\",\n        \"some_other_field\": 23434\n      }\n    }\n  ]\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))

}

HttpResponse<String> response = Unirest.post("https://sandbox.tight.com/v6/files")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": [\n    {\n      \"description\": \"Q1 2024 invoice\",\n      \"id\": \"fil_28868401\",\n      \"entityId\": \"btxn_28868401\",\n      \"notes\": \"Received from vendor on 2024-01-15\",\n      \"date\": \"2024-01-15\",\n      \"amount\": 15000,\n      \"customData\": {\n        \"internal_key\": \"some_internal_key\",\n        \"some_other_field\": 23434\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.tight.com/v6/files")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": [\n    {\n      \"description\": \"Q1 2024 invoice\",\n      \"id\": \"fil_28868401\",\n      \"entityId\": \"btxn_28868401\",\n      \"notes\": \"Received from vendor on 2024-01-15\",\n      \"date\": \"2024-01-15\",\n      \"amount\": 15000,\n      \"customData\": {\n        \"internal_key\": \"some_internal_key\",\n        \"some_other_field\": 23434\n      }\n    }\n  ]\n}"

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

{
  "data": [
    {
      "data": {
        "id": "fil_28868401",
        "entity": {
          "id": "btxn_28868401"
        },
        "description": "Q1 2024 invoice",
        "notes": "Received from vendor on 2024-01-15",
        "url": "https://cdn.sandbox.tight.com/files/fil_28868401.pdf",
        "date": "2024-01-15",
        "amount": 15000,
        "status": "ACTIVE",
        "customData": {
          "internal_key": "some_internal_key",
          "some_other_field": 23434
        }
      },
      "error": [
        {
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "message": "<string>",
      "param": "<string>"
    }
  ]
}

{
  "data": [
    {
      "data": {
        "id": "fil_28868401",
        "entity": {
          "id": "btxn_28868401"
        },
        "description": "Q1 2024 invoice",
        "notes": "Received from vendor on 2024-01-15",
        "url": "https://cdn.sandbox.tight.com/files/fil_28868401.pdf",
        "date": "2024-01-15",
        "amount": 15000,
        "status": "ACTIVE",
        "customData": {
          "internal_key": "some_internal_key",
          "some_other_field": 23434
        }
      },
      "error": [
        {
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "message": "<string>",
      "param": "<string>"
    }
  ]
}

{
  "data": [
    {
      "data": {
        "id": "fil_28868401",
        "entity": {
          "id": "btxn_28868401"
        },
        "description": "Q1 2024 invoice",
        "notes": "Received from vendor on 2024-01-15",
        "url": "https://cdn.sandbox.tight.com/files/fil_28868401.pdf",
        "date": "2024-01-15",
        "amount": 15000,
        "status": "ACTIVE",
        "customData": {
          "internal_key": "some_internal_key",
          "some_other_field": 23434
        }
      },
      "error": [
        {
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "message": "<string>",
      "param": "<string>"
    }
  ]
}

{
  "result": "FAILURE",
  "error": [
    {
      "type": "INVALID_TOKEN",
      "message": "Invalid access token"
    }
  ]
}

{
  "result": "FAILURE",
  "error": [
    {
      "type": "FORBIDDEN",
      "message": "Expired access token"
    }
  ]
}

{
  "result": "FAILURE",
  "error": [
    {
      "type": "BAD_REQUEST",
      "message": "Resource not found"
    }
  ]
}

{
  "result": "FAILURE",
  "error": [
    {
      "type": "UNKNOWN_ERROR",
      "message": "Something went wrong. Please try again later."
    }
  ]
}