curl --request GET \
  --url https://api.checkfu.com/v1/usage/{usage_entry_id}/charge \
  --header 'Authorization: Bearer <token>' \
  --header 'checkfu-version: <checkfu-version>'

import requests

url = "https://api.checkfu.com/v1/usage/{usage_entry_id}/charge"

headers = {
    "checkfu-version": "<checkfu-version>",
    "Authorization": "Bearer <token>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {
  method: 'GET',
  headers: {'checkfu-version': '<checkfu-version>', Authorization: 'Bearer <token>'}
};

fetch('https://api.checkfu.com/v1/usage/{usage_entry_id}/charge', 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://api.checkfu.com/v1/usage/{usage_entry_id}/charge",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "checkfu-version: <checkfu-version>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.checkfu.com/v1/usage/{usage_entry_id}/charge"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("checkfu-version", "<checkfu-version>")
	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.checkfu.com/v1/usage/{usage_entry_id}/charge")
  .header("checkfu-version", "<checkfu-version>")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.checkfu.com/v1/usage/{usage_entry_id}/charge")

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

request = Net::HTTP::Get.new(url)
request["checkfu-version"] = '<checkfu-version>'
request["Authorization"] = 'Bearer <token>'

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

{
  "usage_entry_id": "<string>",
  "charge": {
    "id": "<string>",
    "source_usage_entry_id": "<string>",
    "currency": "usd",
    "amount_microusd": 4503599627370495,
    "rounding_remainder_millionths": 500000,
    "recorded_at": "<string>",
    "charge_type": "model",
    "provider": "<string>",
    "model": "<string>",
    "dimensions": {
      "uncached_input_tokens": 1,
      "cached_input_tokens": 1,
      "cache_write_input_tokens": 1,
      "output_tokens": 1,
      "reasoning_output_tokens": 1
    },
    "formula_version": 1,
    "pricing": {
      "kind": "legacy_formula_rate_card",
      "rate_card_id": "<string>",
      "rate_card_version": 123
    }
  },
  "corrections": {
    "data": [
      {
        "id": "<string>",
        "original_charge_id": "<string>",
        "target_amount_microusd": 4503599627370495,
        "target_remainder_millionths": 500000,
        "delta_microusd": 123,
        "delta_remainder_millionths": 0,
        "recorded_at": "<string>"
      }
    ],
    "next_page": "<string>"
  },
  "projection": {
    "id": "<string>",
    "state": "pending"
  }
}

{
  "error": {
    "type": "validation.malformed",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#validation-malformed"
  }
}

{
  "error": {
    "type": "auth.invalid_key",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#auth-invalid-key"
  }
}

{
  "error": {
    "type": "auth.disabled_tenancy",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#auth-disabled-tenancy"
  }
}

{
  "error": {
    "type": "validation.not_found",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#validation-not-found"
  }
}

{
  "error": {
    "type": "budget.exceeded",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#budget-exceeded"
  }
}

{
  "error": {
    "type": "runtime.internal",
    "message": "<string>",
    "more": "https://docs.checkfu.com/reference/errors#runtime-internal"
  }
}