curl --request GET \
  --url https://app.herondata.io/api/transactions/{reference_id_or_heron_id} \
  --header 'x-api-key: <api-key>'

import requests

url = "https://app.herondata.io/api/transactions/{reference_id_or_heron_id}"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};

fetch('https://app.herondata.io/api/transactions/{reference_id_or_heron_id}', 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.herondata.io/api/transactions/{reference_id_or_heron_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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://app.herondata.io/api/transactions/{reference_id_or_heron_id}"

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

	req.Header.Add("x-api-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://app.herondata.io/api/transactions/{reference_id_or_heron_id}")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.herondata.io/api/transactions/{reference_id_or_heron_id}")

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

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'

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

{
  "transaction_enriched": {
    "amount": -42.42,
    "description": "GOOGLE *ADS12340929 [email protected] US",
    "account_id": "checking_account_202348",
    "account_number": "1234567890",
    "annotation": {
      "annotator": {},
      "category": {
        "label": "Rent",
        "heron_id": "ctg_bp8ZUdwCTfeR9LnfZ7KZT2"
      },
      "confidence": 123,
      "model_version": "<string>"
    },
    "balance": 423,
    "counterparty": "GOOGLE",
    "currency": "USD",
    "data_source_account_heron_id": "dsa_8HL69cGDYQ8mVKuqdXqEy8",
    "data_source_heron_id": "dso_oEQr7yYkGgBoAssnLbJ67n",
    "end_user_id": "my_best_customer_203948",
    "features": {
      "description_clean": "GOOGLE ADS",
      "duplicate_of_id": "txn_fSchpXB9w5VxUM8gAjWTtv",
      "has_matching_transaction": true,
      "is_potential_duplicate": true,
      "is_recurring": true
    },
    "heron_id": "txn_a5aWTVwANezaoh2nZSM8iC",
    "last_updated": "2026-07-22T20:16:15.390709+00:00",
    "merchant": {
      "name": "<string>",
      "url": "<string>",
      "categories": [
        {
          "code": "7311",
          "description": "Advertising services",
          "slug": "advertising_services"
        }
      ],
      "heron_id": "mrc_DskcuiJdXnR345BUM6Pr5u",
      "icon_url": "<string>",
      "is_priority": true,
      "logo_url": "<string>"
    },
    "reference_id": "my_favourite_transaction_231098",
    "request_id": "req_Y9m5aZpUM3aAeC6xb497Pc",
    "timestamp": "2021-11-12T10:38:05Z",
    "transaction_code": "card"
  }
}