Read handwritten-card outcome attribution

curl --request GET \
  --url https://api.gratona.com/v1/admin/handwrytten/attribution \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.gratona.com/v1/admin/handwrytten/attribution"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

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

fetch('https://api.gratona.com/v1/admin/handwrytten/attribution', 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.gratona.com/v1/admin/handwrytten/attribution",
  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>"
  ],
]);

$response = curl_exec($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.gratona.com/v1/admin/handwrytten/attribution"

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

	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.gratona.com/v1/admin/handwrytten/attribution")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/handwrytten/attribution")

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

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

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

{
  "data": {
    "window": {
      "date_from": "2026-10-20",
      "date_to": "2026-10-20",
      "outcome_window_days": 100
    },
    "methodology": {
      "comparison": "Example",
      "comparison_label": "Example",
      "control_cohort": "Example",
      "roi": "Example"
    },
    "summary": {
      "cards_sent": 100,
      "treated_donor_count": 100,
      "repeat_donor_count": 100,
      "attributed_gift_count": 100,
      "attributed_amount_cents": 100,
      "estimated_spend_cents": 100,
      "comparison_donor_count": 100,
      "repeat_rate": 0.25,
      "comparison_repeat_rate": 0.25,
      "lift_points": 0.25,
      "attributed_amount": 0.25,
      "estimated_spend": 0.25,
      "roi": 0.25
    },
    "series": [
      {
        "month": "2026-10",
        "cards_sent": 100,
        "attributed_amount": 100,
        "attributed_gifts": 100
      }
    ],
    "recent_attributions": [
      {
        "id": 42,
        "client_id": 42,
        "handwrytten_order_id": 42,
        "donation_id": 42,
        "donor_id": 42,
        "attribution_type": "next_gift",
        "window_start": "2026-10-20T00:00:00Z",
        "window_end": "2026-10-20T00:00:00Z",
        "amount": "25.00",
        "currency": "USD",
        "evidence_json": {
          "submitted_at": "2026-10-20T12:00:00Z",
          "donation_created_at": "2026-10-20T12:00:00Z",
          "window_days": 100
        },
        "created_at": "2026-10-20T12:00:00Z",
        "updated_at": "2026-10-20T12:00:00Z"
      }
    ]
  }
}

{
  "message": "Unauthorized",
  "status": "error"
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}