diff --git a/.env.example b/.env.example
index 9a49163..73adba1 100644
--- a/.env.example
+++ b/.env.example
@@ -1,44 +1,37 @@
-PORT=3001
+# Required - App
 NODE_ENV=development
+PORT=3001
 
-# Database
+# Required - Database
 DATABASE_URL=postgresql://postgres:password@localhost:5432/orbitstream
 
-# JWT
-# REQUIRED in production. Must be a unique, high-entropy value of at least 32
-# characters. The app refuses to start in production if JWT_SECRET is unset, still
-# set to a placeholder ("dev-secret" / "change-me-in-production"), or shorter than
-# 32 characters. Generate one with: openssl rand -base64 48
-JWT_SECRET=change-me-in-production
+# Required - Redis
+REDIS_URL=redis://localhost:6379
+
+# Required - Auth
+JWT_SECRET=change-me-to-a-random-32-char-string-minimum
 JWT_EXPIRES_IN=7d
-# Optional: previous secret used during zero-downtime rotation. Tokens signed with
-# either JWT_SECRET or JWT_SECRET_PREVIOUS are accepted; tokens that only verify
-# against the previous secret are re-issued with the current secret on /auth/refresh
-# (or any login). Remove this once all old tokens have expired.
-JWT_SECRET_PREVIOUS=
 
-# Stellar
-STELLAR_NETWORK=TESTNET
+# Required - Stellar
+STELLAR_NETWORK=testnet
 STELLAR_HORIZON_URL=https://horizon-testnet.stellar.org
-STELLAR_RPC_URL=https://soroban-testnet.stellar.org
 STELLAR_NETWORK_PASSPHRASE=Test SDF Network ; September 2015
 
-# Soroban Contract IDs
+# Required - Platform
+# Your Stellar public key for receiving payments.
+PLATFORM_RECEIVING_ACCOUNT=G...
+FRONTEND_URL=http://localhost:3000
+
+# Optional
+CHECKOUT_SESSION_TTL_MINUTES=30
+CHALLENGE_TTL_SECONDS=300
+CORS_ALLOWED_ORIGINS=http://localhost:3000
+JWT_SECRET_PREVIOUS=
+PLATFORM_DOMAIN=http://localhost:3001
+STELLAR_RPC_URL=https://soroban-testnet.stellar.org
 STREAM_CONTRACT_ID=
 TREASURY_CONTRACT_ID=
-
-# Redis
-REDIS_URL=redis://localhost:6379
-
-# Payment detection
-PLATFORM_RECEIVING_ACCOUNT=
-
-# Webhook delivery queue
 WEBHOOK_POLL_MS=250
 WEBHOOK_MAX_CONCURRENCY=100
-# Set to "true" to disable the in-process webhook worker (e.g. when running a
-# dedicated worker instance).
 WEBHOOK_WORKER_DISABLED=false
-
-# WebSocket
 WS_CORS_ORIGIN=http://localhost:3000
diff --git a/jest-setup.ts b/jest-setup.ts
index 01b67c7..80f30b2 100644
--- a/jest-setup.ts
+++ b/jest-setup.ts
@@ -1,4 +1,4 @@
 process.env.DATABASE_URL = 'postgresql://test:test@localhost:5432/test';
 process.env.REDIS_URL = 'redis://localhost:6379';
-process.env.JWT_SECRET = 'test-secret';
+process.env.JWT_SECRET = 'test-secret-with-at-least-32-characters';
 process.env.PLATFORM_DOMAIN = 'http://localhost:3001';
diff --git a/package-lock.json b/package-lock.json
index fa9437d..478f3e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,15 +13,11 @@
         "@nestjs/jwt": "^10.1.0",
         "@nestjs/passport": "^10.0.0",
         "@nestjs/platform-express": "^10.0.0",
-        "@nestjs/platform-socket.io": "^10.0.0",
         "@nestjs/schedule": "^6.1.3",
         "@nestjs/terminus": "^10.1.0",
         "@nestjs/typeorm": "^10.0.0",
-        "@nestjs/websockets": "^10.0.0",
         "@stellar/stellar-sdk": "^12.0.0",
         "axios": "^1.6.0",
-        "axios-retry": "^3.9.0",
-        "bcrypt": "^5.1.0",
         "class-transformer": "^0.5.1",
         "class-validator": "^0.14.0",
         "dotenv": "^16.4.5",
@@ -33,27 +29,20 @@
         "pg": "^8.11.0",
         "postgres": "^3.4.5",
         "prom-client": "^15.0.0",
-        "redis": "^4.7.0",
         "reflect-metadata": "^0.1.13",
         "rxjs": "^7.8.0",
-        "socket.io": "^4.7.0",
         "typeorm": "^0.3.17",
-        "uuid": "^9.0.0",
-        "zod": "^3.24.4"
+        "uuid": "^9.0.0"
       },
       "devDependencies": {
         "@nestjs/cli": "^10.0.0",
         "@nestjs/schematics": "^10.0.0",
         "@nestjs/testing": "^10.0.0",
-        "@types/bcrypt": "^5.0.0",
         "@types/express": "^4.17.21",
-        "@types/ioredis": "^4.28.10",
-        "@types/ioredis-mock": "^8.2.7",
         "@types/jest": "^29.5.2",
         "@types/node": "^20.3.1",
         "@types/passport-jwt": "^3.0.8",
         "@types/supertest": "^6.0.0",
-        "@types/uuid": "^9.0.2",
         "@typescript-eslint/eslint-plugin": "^7.0.0",
         "@typescript-eslint/parser": "^7.0.0",
         "drizzle-kit": "^0.30.4",
@@ -730,15 +719,6 @@
         "@babel/core": "^7.0.0-0"
       }
     },
-    "node_modules/@babel/runtime": {
-      "version": "7.29.2",
-      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.29.2.tgz",
-      "integrity": "sha512-JiDShH45zKHWyGe4ZNVRrCjBz8Nh9TMmZG1kh4QTK8hCBTWBi8Da+i7s1fJw7/lYpM4ccepSNfqzZ/QvABBi5g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=6.9.0"
-      }
-    },
     "node_modules/@babel/template": {
       "version": "7.28.6",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.28.6.tgz",
@@ -2450,26 +2430,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/@mapbox/node-pre-gyp": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.11.tgz",
-      "integrity": "sha512-Yhlar6v9WQgUp/He7BdgzOz8lqMQ8sU+jkCq7Wx8Myc5YFJLbEe7lgui/V7G1qB1DJykHSGwreceSaD60Y0PUQ==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "detect-libc": "^2.0.0",
-        "https-proxy-agent": "^5.0.0",
-        "make-dir": "^3.1.0",
-        "node-fetch": "^2.6.7",
-        "nopt": "^5.0.0",
-        "npmlog": "^5.0.1",
-        "rimraf": "^3.0.2",
-        "semver": "^7.3.5",
-        "tar": "^6.1.11"
-      },
-      "bin": {
-        "node-pre-gyp": "bin/node-pre-gyp"
-      }
-    },
     "node_modules/@nestjs/cli": {
       "version": "10.4.9",
       "resolved": "https://registry.npmjs.org/@nestjs/cli/-/cli-10.4.9.tgz",
@@ -2694,66 +2654,6 @@
       "integrity": "sha512-A/AGNMFN3c8bOlvV9RreMdrv7jsmF9XIfDeCd87+I8RNg6s78BhJxMu69NEMHBSJFxKidViTEdruRwEk/WIKqA==",
       "license": "MIT"
     },
-    "node_modules/@nestjs/platform-socket.io": {
-      "version": "10.4.22",
-      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-10.4.22.tgz",
-      "integrity": "sha512-xxGw3R0Ihr51/Omq23z3//bKmCXyVKaikxbH0/pkwqMsQrxkUv9NabNUZ22b4Jnlwwi02X+zlwo8GRa9u8oV9g==",
-      "license": "MIT",
-      "dependencies": {
-        "socket.io": "4.8.1",
-        "tslib": "2.8.1"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/nest"
-      },
-      "peerDependencies": {
-        "@nestjs/common": "^10.0.0",
-        "@nestjs/websockets": "^10.0.0",
-        "rxjs": "^7.1.0"
-      }
-    },
-    "node_modules/@nestjs/platform-socket.io/node_modules/debug": {
-      "version": "4.3.7",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
-      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/@nestjs/platform-socket.io/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "license": "MIT"
-    },
-    "node_modules/@nestjs/platform-socket.io/node_modules/socket.io": {
-      "version": "4.8.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.1.tgz",
-      "integrity": "sha512-oZ7iUCxph8WYRHHcjBEc9unw3adt5CmSNlppj/5Q4k2RIrhl8Z5yY2Xr4j9zj0+wzVZ0bxmYoGSzKJnRl6A4yg==",
-      "license": "MIT",
-      "dependencies": {
-        "accepts": "~1.3.4",
-        "base64id": "~2.0.0",
-        "cors": "~2.8.5",
-        "debug": "~4.3.2",
-        "engine.io": "~6.6.0",
-        "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.4"
-      },
-      "engines": {
-        "node": ">=10.2.0"
-      }
-    },
     "node_modules/@nestjs/schedule": {
       "version": "6.1.3",
       "resolved": "https://registry.npmjs.org/@nestjs/schedule/-/schedule-6.1.3.tgz",
@@ -2905,29 +2805,6 @@
         "typeorm": "^0.3.0"
       }
     },
-    "node_modules/@nestjs/websockets": {
-      "version": "10.4.22",
-      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-10.4.22.tgz",
-      "integrity": "sha512-OLd4i0Faq7vgdtB5vVUrJ54hWEtcXy9poJ6n7kbbh/5ms+KffUl+wwGsbe7uSXLrkoyI8xXU6fZPkFArI+XiRg==",
-      "license": "MIT",
-      "dependencies": {
-        "iterare": "1.2.1",
-        "object-hash": "3.0.0",
-        "tslib": "2.8.1"
-      },
-      "peerDependencies": {
-        "@nestjs/common": "^10.0.0",
-        "@nestjs/core": "^10.0.0",
-        "@nestjs/platform-socket.io": "^10.0.0",
-        "reflect-metadata": "^0.1.12 || ^0.2.0",
-        "rxjs": "^7.1.0"
-      },
-      "peerDependenciesMeta": {
-        "@nestjs/platform-socket.io": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@noble/hashes": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
@@ -3046,71 +2923,6 @@
         "url": "https://opencollective.com/pkgr"
       }
     },
-    "node_modules/@redis/bloom": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.2.0.tgz",
-      "integrity": "sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@redis/client": "^1.0.0"
-      }
-    },
-    "node_modules/@redis/client": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.6.1.tgz",
-      "integrity": "sha512-/KCsg3xSlR+nCK8/8ZYSknYxvXHwubJrU82F3Lm1Fp6789VQ0/3RJKfsmRXjqfaTA++23CvC3hqmqe/2GEt6Kw==",
-      "license": "MIT",
-      "dependencies": {
-        "cluster-key-slot": "1.1.2",
-        "generic-pool": "3.9.0",
-        "yallist": "4.0.0"
-      },
-      "engines": {
-        "node": ">=14"
-      }
-    },
-    "node_modules/@redis/client/node_modules/yallist": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-      "license": "ISC"
-    },
-    "node_modules/@redis/graph": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.1.1.tgz",
-      "integrity": "sha512-FEMTcTHZozZciLRl6GiiIB4zGm5z5F3F6a6FZCyrfxdKOhFlGkiAqlexWMBzCi4DcRoyiOsuLfW+cjlGWyExOw==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@redis/client": "^1.0.0"
-      }
-    },
-    "node_modules/@redis/json": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.7.tgz",
-      "integrity": "sha512-6UyXfjVaTBTJtKNG4/9Z8PSpKE6XgSyEb8iwaqDcy+uKrd/DGYHTWkUdnQDyzm727V7p21WUMhsqz5oy65kPcQ==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@redis/client": "^1.0.0"
-      }
-    },
-    "node_modules/@redis/search": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.2.0.tgz",
-      "integrity": "sha512-tYoDBbtqOVigEDMAcTGsRlMycIIjwMCgD8eR2t0NANeQmgK/lvxNAvYyb6bZDD4frHRhIHkJu2TBRvB0ERkOmw==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@redis/client": "^1.0.0"
-      }
-    },
-    "node_modules/@redis/time-series": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.1.0.tgz",
-      "integrity": "sha512-c1Q99M5ljsIuc4YdaCwfUEXsofakb9c8+Zse2qxTadu8TalLXuAESzLvFAvNVbkmSlvlzIQOLpBCmWI9wTOt+g==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@redis/client": "^1.0.0"
-      }
-    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.10",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.10.tgz",
@@ -3138,12 +2950,6 @@
         "@sinonjs/commons": "^3.0.0"
       }
     },
-    "node_modules/@socket.io/component-emitter": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
-      "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==",
-      "license": "MIT"
-    },
     "node_modules/@sqltools/formatter": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/@sqltools/formatter/-/formatter-1.2.5.tgz",
@@ -3308,16 +3114,6 @@
         "@babel/types": "^7.28.2"
       }
     },
-    "node_modules/@types/bcrypt": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/@types/bcrypt/-/bcrypt-5.0.2.tgz",
-      "integrity": "sha512-6atioO8Y75fNcbmj0G7UjI9lXN2pQ/IGJ2FWT4a/btd0Lk9lQalHLKhkgKVZ3r+spnmWUKfbMi1GEe9wyHQfNQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/body-parser": {
       "version": "1.19.6",
       "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
@@ -3346,15 +3142,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/cors": {
-      "version": "2.8.19",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.19.tgz",
-      "integrity": "sha512-mFNylyeyqN93lfe/9CSxOGREz8cpzAhH+E93xJ4xWQf62V8sQ/24reV2nyzUWM6H6Xji+GGHpkbLe7pVoUEskg==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/eslint": {
       "version": "9.6.1",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-9.6.1.tgz",
@@ -3427,22 +3214,13 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/ioredis": {
-      "version": "4.28.10",
-      "resolved": "https://registry.npmjs.org/@types/ioredis/-/ioredis-4.28.10.tgz",
-      "integrity": "sha512-69LyhUgrXdgcNDv7ogs1qXZomnfOEnSmrmMFqKgt1XMJxmoOSG/u3wYy13yACIfKuMJ8IhKgHafDO3sx19zVQQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/ioredis-mock": {
       "version": "8.2.7",
       "resolved": "https://registry.npmjs.org/@types/ioredis-mock/-/ioredis-mock-8.2.7.tgz",
       "integrity": "sha512-YsGiaOIYBKeVvu/7GYziAD8qX3LJem5LK00d5PKykzsQJMLysAqXA61AkNuYWCekYl64tbMTqVOMF4SYoCPbQg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "peerDependencies": {
         "ioredis": ">=5"
       }
@@ -3641,28 +3419,12 @@
         "@types/superagent": "^8.1.0"
       }
     },
-    "node_modules/@types/uuid": {
-      "version": "9.0.8",
-      "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-9.0.8.tgz",
-      "integrity": "sha512-jg+97EGIcY9AGHJJRaaPVgetKDsrTgbRjQ5Msgjh/DQKEFl0DtyRr/VCOyD1T2R1MNeWPK/u7JoGhlDZnKBAfA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/validator": {
       "version": "13.15.10",
       "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.15.10.tgz",
       "integrity": "sha512-T8L6i7wCuyoK8A/ZeLYt1+q0ty3Zb9+qbSSvrIVitzT3YjZqkTZ40IbRsPanlB4h1QB3JVL1SYCdR6ngtFYcuA==",
       "license": "MIT"
     },
-    "node_modules/@types/ws": {
-      "version": "8.18.1",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
-      "integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/yargs": {
       "version": "17.0.35",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-17.0.35.tgz",
@@ -4156,12 +3918,6 @@
       "dev": true,
       "license": "Apache-2.0"
     },
-    "node_modules/abbrev": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
-      "license": "ISC"
-    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -4417,26 +4173,6 @@
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       "license": "MIT"
     },
-    "node_modules/aproba": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-2.1.0.tgz",
-      "integrity": "sha512-tLIEcj5GuR2RSTnxNKdkK0dJ/GrC7P38sUkiDmDuHfsHmbagTFAxDVIBltoklXEVIQ/f14IL8IMJ5pn9Hez1Ew==",
-      "license": "ISC"
-    },
-    "node_modules/are-we-there-yet": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-2.0.0.tgz",
-      "integrity": "sha512-Ci/qENmwHnsYo9xKIcUJN5LeDKdJ6R1Z1j9V/J5wyq8nh/mYPEpIKJbBZXtZjG04HiK7zV/p6Vs9952MrMeUIw==",
-      "deprecated": "This package is no longer supported.",
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-      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-5.1.0.tgz",
-      "integrity": "sha512-eh0GgfEkpnoWDq+VY8OyvYhFEzBk6jIYbRKdIlyTiAXIVJ8PyBaKb0rp7oDtoddbdoHWhq8wwr+XZ81F1rpNdA==",
-      "license": "MIT"
-    },
     "node_modules/node-emoji": {
       "version": "1.11.0",
       "resolved": "https://registry.npmjs.org/node-emoji/-/node-emoji-1.11.0.tgz",
@@ -9704,21 +9166,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/nopt": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
-      "integrity": "sha512-Tbj67rffqceeLpcRXrT7vKAN8CwfPeIBgM7E6iBkmKLV7bEMwpGgYLGv0jACUsECaa/vuxP0IjEont6umdMgtQ==",
-      "license": "ISC",
-      "dependencies": {
-        "abbrev": "1"
-      },
-      "bin": {
-        "nopt": "bin/nopt.js"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -9742,19 +9189,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/npmlog": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-5.0.1.tgz",
-      "integrity": "sha512-AqZtDUWOMKs1G/8lwylVjrdYgqA4d9nu8hc+0gzRxlDb1I10+FHBGMXs6aiQHFdCUUlqH99MUMuLfzWDNDtfxw==",
-      "deprecated": "This package is no longer supported.",
-      "license": "ISC",
-      "dependencies": {
-        "are-we-there-yet": "^2.0.0",
-        "console-control-strings": "^1.1.0",
-        "gauge": "^3.0.0",
-        "set-blocking": "^2.0.0"
-      }
-    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -9764,15 +9198,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/object-hash": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-3.0.0.tgz",
-      "integrity": "sha512-RSn9F68PjH9HqtltsSnqYC1XXoWe9Bju5+213R98cNGttag9q9yAOTzdbsqvIa7aNm5WffBZFpWYr2aWrklWAw==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 6"
-      }
-    },
     "node_modules/object-inspect": {
       "version": "1.13.4",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -9801,6 +9226,7 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "wrappy": "1"
@@ -10026,6 +9452,7 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
@@ -10562,23 +9989,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/redis": {
-      "version": "4.7.1",
-      "resolved": "https://registry.npmjs.org/redis/-/redis-4.7.1.tgz",
-      "integrity": "sha512-S1bJDnqLftzHXHP8JsT5II/CtHWQrASX5K96REjWjlmWKrviSOLWmM7QnRLstAWsu1VBBV1ffV6DzCvxNP0UJQ==",
-      "license": "MIT",
-      "workspaces": [
-        "./packages/*"
-      ],
-      "dependencies": {
-        "@redis/bloom": "1.2.0",
-        "@redis/client": "1.6.1",
-        "@redis/graph": "1.1.1",
-        "@redis/json": "1.0.7",
-        "@redis/search": "1.2.0",
-        "@redis/time-series": "1.1.0"
-      }
-    },
     "node_modules/redis-errors": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
@@ -10760,6 +10170,7 @@
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
       "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
       "deprecated": "Rimraf versions prior to v4 are no longer supported",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "glob": "^7.1.3"
@@ -10776,6 +10187,7 @@
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
       "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
       "deprecated": "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "fs.realpath": "^1.0.0",
@@ -10971,12 +10383,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/set-blocking": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha512-KiKBS8AnWGEyLzofFfmvKwpdPzqiy16LvQfK3yv/fVH7Bj13/wl3JSR1J+rfgRE9q7xUJK4qvgS8raSOeLUehw==",
-      "license": "ISC"
-    },
     "node_modules/set-function-length": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
@@ -11155,116 +10561,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/socket.io": {
-      "version": "4.8.3",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.3.tgz",
-      "integrity": "sha512-2Dd78bqzzjE6KPkD5fHZmDAKRNe3J15q+YHDrIsy9WEkqttc7GY+kT9OBLSMaPbQaEd0x1BjcmtMtXkfpc+T5A==",
-      "license": "MIT",
-      "dependencies": {
-        "accepts": "~1.3.4",
-        "base64id": "~2.0.0",
-        "cors": "~2.8.5",
-        "debug": "~4.4.1",
-        "engine.io": "~6.6.0",
-        "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.4"
-      },
-      "engines": {
-        "node": ">=10.2.0"
-      }
-    },
-    "node_modules/socket.io-adapter": {
-      "version": "2.5.6",
-      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.5.6.tgz",
-      "integrity": "sha512-DkkO/dz7MGln0dHn5bmN3pPy+JmywNICWrJqVWiVOyvXjWQFIv9c2h24JrQLLFJ2aQVQf/Cvl1vblnd4r2apLQ==",
-      "license": "MIT",
-      "dependencies": {
-        "debug": "~4.4.1",
-        "ws": "~8.18.3"
-      }
-    },
-    "node_modules/socket.io-adapter/node_modules/debug": {
-      "version": "4.4.3",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
-      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/socket.io-adapter/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "license": "MIT"
-    },
-    "node_modules/socket.io-parser": {
-      "version": "4.2.6",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.6.tgz",
-      "integrity": "sha512-asJqbVBDsBCJx0pTqw3WfesSY0iRX+2xzWEWzrpcH7L6fLzrhyF8WPI8UaeM4YCuDfpwA/cgsdugMsmtz8EJeg==",
-      "license": "MIT",
-      "dependencies": {
-        "@socket.io/component-emitter": "~3.1.0",
-        "debug": "~4.4.1"
-      },
-      "engines": {
-        "node": ">=10.0.0"
-      }
-    },
-    "node_modules/socket.io-parser/node_modules/debug": {
-      "version": "4.4.3",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
-      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/socket.io-parser/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "license": "MIT"
-    },
-    "node_modules/socket.io/node_modules/debug": {
-      "version": "4.4.3",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
-      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
-      "license": "MIT",
-      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/socket.io/node_modules/ms": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
-      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
-      "license": "MIT"
-    },
     "node_modules/sodium-native": {
       "version": "4.3.3",
       "resolved": "https://registry.npmjs.org/sodium-native/-/sodium-native-4.3.3.tgz",
@@ -11651,51 +10947,6 @@
         "url": "https://opencollective.com/webpack"
       }
     },
-    "node_modules/tar": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-6.2.1.tgz",
-      "integrity": "sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==",
-      "deprecated": "Old versions of tar are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me",
-      "license": "ISC",
-      "dependencies": {
-        "chownr": "^2.0.0",
-        "fs-minipass": "^2.0.0",
-        "minipass": "^5.0.0",
-        "minizlib": "^2.1.1",
-        "mkdirp": "^1.0.3",
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/tar/node_modules/minipass": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-5.0.0.tgz",
-      "integrity": "sha512-3FnjYuehv9k6ovOEbyOswadCDPX1piCfhV8ncmYtHOjuPwylVWsghTLo7rabjC3Rx5xD4HDx8Wm1xnMF7S5qFQ==",
-      "license": "ISC",
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/tar/node_modules/mkdirp": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
-      "license": "MIT",
-      "bin": {
-        "mkdirp": "bin/cmd.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/tar/node_modules/yallist": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
-      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-      "license": "ISC"
-    },
     "node_modules/tdigest": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.2.tgz",
@@ -12770,15 +12021,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/wide-align": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
-      "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
-      "license": "ISC",
-      "dependencies": {
-        "string-width": "^1.0.2 || 2 || 3 || 4"
-      }
-    },
     "node_modules/widest-line": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-3.1.0.tgz",
@@ -12847,6 +12089,7 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "dev": true,
       "license": "ISC"
     },
     "node_modules/write-file-atomic": {
@@ -12870,27 +12113,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/ws": {
-      "version": "8.18.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
-      "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=10.0.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": ">=5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -12965,15 +12187,6 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
-    },
-    "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
     }
   }
 }
diff --git a/package.json b/package.json
index b040bde..dd1c6b6 100644
--- a/package.json
+++ b/package.json
@@ -24,15 +24,11 @@
     "@nestjs/jwt": "^10.1.0",
     "@nestjs/passport": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
-    "@nestjs/platform-socket.io": "^10.0.0",
     "@nestjs/schedule": "^6.1.3",
     "@nestjs/terminus": "^10.1.0",
     "@nestjs/typeorm": "^10.0.0",
-    "@nestjs/websockets": "^10.0.0",
     "@stellar/stellar-sdk": "^12.0.0",
     "axios": "^1.6.0",
-    "axios-retry": "^3.9.0",
-    "bcrypt": "^5.1.0",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "dotenv": "^16.4.5",
@@ -44,27 +40,20 @@
     "pg": "^8.11.0",
     "postgres": "^3.4.5",
     "prom-client": "^15.0.0",
-    "redis": "^4.7.0",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.8.0",
-    "socket.io": "^4.7.0",
     "typeorm": "^0.3.17",
-    "uuid": "^9.0.0",
-    "zod": "^3.24.4"
+    "uuid": "^9.0.0"
   },
   "devDependencies": {
     "@nestjs/cli": "^10.0.0",
     "@nestjs/schematics": "^10.0.0",
     "@nestjs/testing": "^10.0.0",
-    "@types/bcrypt": "^5.0.0",
     "@types/express": "^4.17.21",
-    "@types/ioredis": "^4.28.10",
-    "@types/ioredis-mock": "^8.2.7",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.3.1",
     "@types/passport-jwt": "^3.0.8",
     "@types/supertest": "^6.0.0",
-    "@types/uuid": "^9.0.2",
     "@typescript-eslint/eslint-plugin": "^7.0.0",
     "@typescript-eslint/parser": "^7.0.0",
     "drizzle-kit": "^0.30.4",
diff --git a/src/__tests__/app.smoke.spec.ts b/src/__tests__/app.smoke.spec.ts
index 6549202..d8ceec1 100644
--- a/src/__tests__/app.smoke.spec.ts
+++ b/src/__tests__/app.smoke.spec.ts
@@ -1,10 +1,80 @@
+import { INestApplication } from '@nestjs/common';
+import { Test, TestingModule } from '@nestjs/testing';
+import { TypeOrmHealthIndicator } from '@nestjs/terminus';
+import request from 'supertest';
+import { AppModule } from '../app.module';
+import { CorsOriginsCacheService } from '../middleware/cors-origins-cache.service';
+import { PaymentDetectorService } from '../payments/payment-detector.service';
+import { RedisService } from '../redis/redis.service';
+
+jest.mock('@nestjs/typeorm', () => {
+  const actual = jest.requireActual('@nestjs/typeorm');
+
+  return {
+    ...actual,
+    TypeOrmModule: {
+      ...actual.TypeOrmModule,
+      forRoot: jest.fn(() => ({
+        module: class MockTypeOrmModule {},
+      })),
+    },
+  };
+});
+
 describe('App smoke test', () => {
-  it('should have basic module structure', () => {
-    expect(true).toBe(true);
+  let app: INestApplication;
+
+  beforeAll(async () => {
+    const redisClient = {
+      get: jest.fn().mockResolvedValue(null),
+      lrange: jest.fn().mockResolvedValue([]),
+      set: jest.fn().mockResolvedValue('OK'),
+      expire: jest.fn().mockResolvedValue(1),
+      del: jest.fn().mockResolvedValue(1),
+      quit: jest.fn().mockResolvedValue('OK'),
+    };
+
+    const module: TestingModule = await Test.createTestingModule({
+      imports: [AppModule],
+    })
+      .overrideProvider(TypeOrmHealthIndicator)
+      .useValue({
+        pingCheck: jest.fn().mockResolvedValue({
+          database: {
+            status: 'up',
+          },
+        }),
+      })
+      .overrideProvider(RedisService)
+      .useValue({
+        getClient: jest.fn(() => redisClient),
+        onModuleInit: jest.fn(),
+        onModuleDestroy: jest.fn(),
+      })
+      .overrideProvider(PaymentDetectorService)
+      .useValue({
+        onModuleInit: jest.fn(),
+        onModuleDestroy: jest.fn(),
+      })
+      .overrideProvider(CorsOriginsCacheService)
+      .useValue({
+        getAllMerchantOrigins: jest.fn().mockResolvedValue([]),
+      })
+      .compile();
+
+    app = module.createNestApplication();
+    await app.init();
+  });
+
+  afterAll(async () => {
+    await app?.close();
+  });
+
+  it('should be defined', () => {
+    expect(app).toBeDefined();
   });
 
-  it('should export AppModule', async () => {
-    const { AppModule } = await import('../app.module');
-    expect(AppModule).toBeDefined();
+  it('should have health endpoint', () => {
+    return request(app.getHttpServer()).get('/health').expect(200);
   });
 });
diff --git a/src/config/env-example.spec.ts b/src/config/env-example.spec.ts
new file mode 100644
index 0000000..f60f6ba
--- /dev/null
+++ b/src/config/env-example.spec.ts
@@ -0,0 +1,57 @@
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+
+const REQUIRED_ENV_KEYS = [
+  'NODE_ENV',
+  'PORT',
+  'DATABASE_URL',
+  'REDIS_URL',
+  'JWT_SECRET',
+  'JWT_EXPIRES_IN',
+  'STELLAR_NETWORK',
+  'STELLAR_HORIZON_URL',
+  'STELLAR_NETWORK_PASSPHRASE',
+  'PLATFORM_RECEIVING_ACCOUNT',
+  'FRONTEND_URL',
+];
+
+const OPTIONAL_ENV_KEYS = [
+  'CHECKOUT_SESSION_TTL_MINUTES',
+  'CHALLENGE_TTL_SECONDS',
+  'CORS_ALLOWED_ORIGINS',
+];
+
+function parseEnvExample(): Map<string, string> {
+  const envExample = readFileSync(resolve(__dirname, '../../.env.example'), 'utf8');
+
+  return new Map(
+    envExample
+      .split('\n')
+      .map((line) => line.trim())
+      .filter((line) => line && !line.startsWith('#'))
+      .map((line) => {
+        const separatorIndex = line.indexOf('=');
+        return [line.slice(0, separatorIndex), line.slice(separatorIndex + 1)];
+      }),
+  );
+}
+
+describe('.env.example', () => {
+  const values = parseEnvExample();
+
+  it('documents all required configuration keys', () => {
+    for (const key of REQUIRED_ENV_KEYS) {
+      expect(values.has(key)).toBe(true);
+    }
+  });
+
+  it('documents expected optional configuration keys', () => {
+    for (const key of OPTIONAL_ENV_KEYS) {
+      expect(values.has(key)).toBe(true);
+    }
+  });
+
+  it('uses a JWT placeholder that satisfies the minimum length requirement', () => {
+    expect(values.get('JWT_SECRET')?.length).toBeGreaterThanOrEqual(32);
+  });
+});
diff --git a/src/monitoring/monitoring.module.ts b/src/monitoring/monitoring.module.ts
index e3cc565..b3f9350 100644
--- a/src/monitoring/monitoring.module.ts
+++ b/src/monitoring/monitoring.module.ts
@@ -8,5 +8,6 @@ import { MetricsService } from './metrics.service';
   imports: [TerminusModule],
   controllers: [HealthController, MetricsController],
   providers: [MetricsService],
+  exports: [MetricsService],
 })
 export class MonitoringModule {}