diff --git a/.env.example b/.env.example
index 1f545e4..1002893 100644
--- a/.env.example
+++ b/.env.example
@@ -24,3 +24,6 @@ HCAPTCHA_SECRET=TODO
 
 # Developer api key used for searching Here Maps (https://platform.here.com/portal/)
 HERE_API_KEY=TODO
+
+# Key used to send error logging information to a Raygun instance
+RAYGUN_APIKEY=TODO
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 4f6ed0e..f19bf3b 100644
--- a/composer.json
+++ b/composer.json
@@ -16,6 +16,7 @@
         "easycorp/easyadmin-bundle": "^4.x-dev",
         "jsor/doctrine-postgis": "^2.1",
         "meteo-concept/hcaptcha-bundle": "^3.3",
+        "mindscape/raygun4php": "^2.3",
         "mjaschen/phpgeo": "^4.2",
         "nyholm/psr7": "^1.5",
         "oefenweb/damerau-levenshtein": "^3.0",
diff --git a/composer.lock b/composer.lock
index d62a063..702d07f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ec60a70816b9a72f22376bc30fd698a2",
+    "content-hash": "b05ddaa4cf038b6260757700902c9385",
     "packages": [
         {
             "name": "doctrine/cache",
@@ -1489,6 +1489,337 @@
             ],
             "time": "2022-10-17T19:48:16+00:00"
         },
+        {
+            "name": "guzzlehttp/guzzle",
+            "version": "7.5.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/guzzle.git",
+                "reference": "b50a2a1251152e43f6a37f0fa053e730a67d25ba"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/b50a2a1251152e43f6a37f0fa053e730a67d25ba",
+                "reference": "b50a2a1251152e43f6a37f0fa053e730a67d25ba",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "guzzlehttp/promises": "^1.5",
+                "guzzlehttp/psr7": "^1.9 || ^2.4",
+                "php": "^7.2.5 || ^8.0",
+                "psr/http-client": "^1.0",
+                "symfony/deprecation-contracts": "^2.2 || ^3.0"
+            },
+            "provide": {
+                "psr/http-client-implementation": "1.0"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.8.1",
+                "ext-curl": "*",
+                "php-http/client-integration-tests": "^3.0",
+                "phpunit/phpunit": "^8.5.29 || ^9.5.23",
+                "psr/log": "^1.1 || ^2.0 || ^3.0"
+            },
+            "suggest": {
+                "ext-curl": "Required for CURL handler support",
+                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
+                "psr/log": "Required for using the Log middleware"
+            },
+            "type": "library",
+            "extra": {
+                "bamarni-bin": {
+                    "bin-links": true,
+                    "forward-command": false
+                },
+                "branch-alias": {
+                    "dev-master": "7.5-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Jeremy Lindblom",
+                    "email": "jeremeamia@gmail.com",
+                    "homepage": "https://github.com/jeremeamia"
+                },
+                {
+                    "name": "George Mponos",
+                    "email": "gmponos@gmail.com",
+                    "homepage": "https://github.com/gmponos"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://github.com/sagikazarmark"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "Guzzle is a PHP HTTP client library",
+            "keywords": [
+                "client",
+                "curl",
+                "framework",
+                "http",
+                "http client",
+                "psr-18",
+                "psr-7",
+                "rest",
+                "web service"
+            ],
+            "support": {
+                "issues": "https://github.com/guzzle/guzzle/issues",
+                "source": "https://github.com/guzzle/guzzle/tree/7.5.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/guzzle",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-08-28T15:39:27+00:00"
+        },
+        {
+            "name": "guzzlehttp/promises",
+            "version": "1.5.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/promises.git",
+                "reference": "b94b2807d85443f9719887892882d0329d1e2598"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/b94b2807d85443f9719887892882d0329d1e2598",
+                "reference": "b94b2807d85443f9719887892882d0329d1e2598",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.5"
+            },
+            "require-dev": {
+                "symfony/phpunit-bridge": "^4.4 || ^5.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.5-dev"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "src/functions_include.php"
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
+                    "homepage": "https://github.com/Tobion"
+                }
+            ],
+            "description": "Guzzle promises library",
+            "keywords": [
+                "promise"
+            ],
+            "support": {
+                "issues": "https://github.com/guzzle/promises/issues",
+                "source": "https://github.com/guzzle/promises/tree/1.5.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/promises",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-08-28T14:55:35+00:00"
+        },
+        {
+            "name": "guzzlehttp/psr7",
+            "version": "2.4.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/psr7.git",
+                "reference": "67c26b443f348a51926030c83481b85718457d3d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/67c26b443f348a51926030c83481b85718457d3d",
+                "reference": "67c26b443f348a51926030c83481b85718457d3d",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2.5 || ^8.0",
+                "psr/http-factory": "^1.0",
+                "psr/http-message": "^1.0",
+                "ralouphie/getallheaders": "^3.0"
+            },
+            "provide": {
+                "psr/http-factory-implementation": "1.0",
+                "psr/http-message-implementation": "1.0"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.8.1",
+                "http-interop/http-factory-tests": "^0.9",
+                "phpunit/phpunit": "^8.5.29 || ^9.5.23"
+            },
+            "suggest": {
+                "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
+            },
+            "type": "library",
+            "extra": {
+                "bamarni-bin": {
+                    "bin-links": true,
+                    "forward-command": false
+                },
+                "branch-alias": {
+                    "dev-master": "2.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Psr7\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "George Mponos",
+                    "email": "gmponos@gmail.com",
+                    "homepage": "https://github.com/gmponos"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://github.com/sagikazarmark"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
+                    "homepage": "https://github.com/Tobion"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://sagikazarmark.hu"
+                }
+            ],
+            "description": "PSR-7 message implementation that also provides common utility methods",
+            "keywords": [
+                "http",
+                "message",
+                "psr-7",
+                "request",
+                "response",
+                "stream",
+                "uri",
+                "url"
+            ],
+            "support": {
+                "issues": "https://github.com/guzzle/psr7/issues",
+                "source": "https://github.com/guzzle/psr7/tree/2.4.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/Nyholm",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/psr7",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-10-26T14:07:24+00:00"
+        },
         {
             "name": "jsor/doctrine-postgis",
             "version": "v2.1.0",
@@ -1752,6 +2083,71 @@
             },
             "time": "2022-08-02T14:22:04+00:00"
         },
+        {
+            "name": "mindscape/raygun4php",
+            "version": "v2.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/MindscapeHQ/raygun4php.git",
+                "reference": "a479ce6be7f31f224893055884afc7b8153191fd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/MindscapeHQ/raygun4php/zipball/a479ce6be7f31f224893055884afc7b8153191fd",
+                "reference": "a479ce6be7f31f224893055884afc7b8153191fd",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "guzzlehttp/guzzle": "~7.0",
+                "php": "^7.2|^8.0",
+                "psr/log": "^1.1 || ^2.0 || ^3.0"
+            },
+            "require-dev": {
+                "justinrainbow/json-schema": "^5.2",
+                "phpunit/phpunit": "^9.0",
+                "squizlabs/php_codesniffer": "^3.0"
+            },
+            "suggest": {
+                "ext-curl": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Raygun4php\\": "src/Raygun4php/",
+                    "Raygun4php\\Tests\\": "tests/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Mindscape",
+                    "email": "contact@mindscape.co.nz",
+                    "homepage": "http://www.mindscapehq.com"
+                }
+            ],
+            "description": "Raygun.com client for sending errors and exceptions automatically.",
+            "homepage": "http://raygun.com",
+            "keywords": [
+                "errors",
+                "exceptions",
+                "logging",
+                "raygun"
+            ],
+            "support": {
+                "issues": "https://github.com/MindscapeHQ/raygun4php/issues",
+                "source": "https://github.com/MindscapeHQ/raygun4php/tree/v2.3.0"
+            },
+            "time": "2022-09-07T04:14:24+00:00"
+        },
         {
             "name": "mjaschen/phpgeo",
             "version": "4.2.0",
@@ -2377,6 +2773,50 @@
             },
             "time": "2021-07-14T16:46:02+00:00"
         },
+        {
+            "name": "ralouphie/getallheaders",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ralouphie/getallheaders.git",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ralouphie/getallheaders/zipball/120b605dfeb996808c31b6477290a714d356e822",
+                "reference": "120b605dfeb996808c31b6477290a714d356e822",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.1",
+                "phpunit/phpunit": "^5 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/getallheaders.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Ralph Khattar",
+                    "email": "ralph.khattar@gmail.com"
+                }
+            ],
+            "description": "A polyfill for getallheaders.",
+            "support": {
+                "issues": "https://github.com/ralouphie/getallheaders/issues",
+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
+            },
+            "time": "2019-03-08T08:55:37+00:00"
+        },
         {
             "name": "simpod/doctrine-utcdatetime",
             "version": "0.2.0",
diff --git a/config/services.yaml b/config/services.yaml
index 0ad414a..89c2897 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -13,6 +13,7 @@ services:
         bind:
             string $projectDir: '%kernel.project_dir%'
             string $hereApiKey: '%env(HERE_API_KEY)%'
+            string $raygunApiKey: '%env(RAYGUN_APIKEY)%'
 
     # makes classes in src/ available to be used as services
     # this creates a service per class whose id is the fully-qualified class name
diff --git a/src/EventSubscriber/RaygunSubscriber.php b/src/EventSubscriber/RaygunSubscriber.php
new file mode 100644
index 0000000..6bc21dc
--- /dev/null
+++ b/src/EventSubscriber/RaygunSubscriber.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\EventSubscriber;
+
+use GuzzleHttp\Client as GuzzleClient;
+use Raygun4php\RaygunClient;
+use Raygun4php\Transports\GuzzleAsync;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+class RaygunSubscriber implements EventSubscriberInterface
+{
+    private RaygunClient $raygun;
+
+    public function __construct(string $raygunApiKey)
+    {
+        $httpClient = new GuzzleClient([
+            'base_uri' => 'https://api.raygun.com',
+            'headers' => ['X-ApiKey' => $raygunApiKey],
+        ]);
+        $transport = new GuzzleAsync($httpClient);
+        $this->raygun = new RaygunClient($transport);
+    }
+
+    public function onException(ExceptionEvent $event): void
+    {
+        if (getenv('APP_ENV') !== 'prod') {
+            return;
+        }
+
+        $exception = $event->getThrowable();
+        if ($exception instanceof NotFoundHttpException) {
+            return;
+        }
+
+        $this->raygun->SendException($exception);
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            KernelEvents::EXCEPTION => 'onException',
+        ];
+    }
+}
\ No newline at end of file