diff --git a/.changeset/honest-lions-trade.md b/.changeset/honest-lions-trade.md
new file mode 100644
index 000000000000..8b1df95008ca
--- /dev/null
+++ b/.changeset/honest-lions-trade.md
@@ -0,0 +1,7 @@
+---
+"@eth-optimism/batch-submitter": patch
+"@eth-optimism/core-utils": patch
+"@eth-optimism/data-transport-layer": patch
+---
+
+add Sentry to TypeScript services for error tracking
diff --git a/.gitignore b/.gitignore
index 6d225d4d9160..3f0cfd61daa1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,6 @@ cache-ovm
 l2geth/build/bin
 packages/contracts/deployments/custom
 
-packages/contracts/data-transport-layer/db
+packages/data-transport-layer/db
 
 .env
diff --git a/packages/batch-submitter/.env.example b/packages/batch-submitter/.env.example
index 385716ae728e..86e016bbacbf 100644
--- a/packages/batch-submitter/.env.example
+++ b/packages/batch-submitter/.env.example
@@ -1,12 +1,16 @@
-# Logging
+# Logging & monitoring
 DEBUG=info*,error*,warn*,debug*
+# Leave the SENTRY_DSN variable unset during local development
+SENTRY_DSN=
 
 L1_NODE_WEB3_URL=http://localhost:9545
 L2_NODE_WEB3_URL=http://localhost:8545
 
-MAX_TX_SIZE=90000
-MIN_TX_SIZE=0
-MAX_BATCH_SIZE=50
+MAX_L1_TX_SIZE=90000
+MIN_L1_TX_SIZE=0
+MAX_TX_BATCH_SIZE=50
+MAX_STATE_BATCH_COUNT=2000
+MAX_TX_BATCH_COUNT=250
 MAX_BATCH_SUBMISSION_TIME=0
 POLL_INTERVAL=15000
 NUM_CONFIRMATIONS=0
diff --git a/packages/batch-submitter/package.json b/packages/batch-submitter/package.json
index 858106cf12d6..ddc8c2397d4a 100644
--- a/packages/batch-submitter/package.json
+++ b/packages/batch-submitter/package.json
@@ -31,7 +31,7 @@
     "url": "https://github.com/ethereum-optimism/optimism-monorepo.git"
   },
   "dependencies": {
-    "old-contracts": "npm:@eth-optimism/contracts@^0.0.2-alpha.7",
+    "@eth-optimism/contracts": "^0.2.2",
     "@eth-optimism/core-utils": "^0.2.0",
     "@eth-optimism/ynatm": "^0.2.2",
     "@ethersproject/abstract-provider": "^5.0.5",
@@ -39,7 +39,8 @@
     "bluebird": "^3.7.2",
     "dotenv": "^8.2.0",
     "ethers": "5.0.0",
-    "@eth-optimism/contracts": "^0.2.2"
+    "old-contracts": "npm:@eth-optimism/contracts@^0.0.2-alpha.7",
+    "pino-sentry": "^0.6.1"
   },
   "devDependencies": {
     "@eth-optimism/smock": "^1.0.0",
@@ -64,7 +65,8 @@
     "typescript": "^4.2.3"
   },
   "resolutions": {
-    "ganache-core": "^2.13.2"
+    "ganache-core": "^2.13.2",
+    "**/@sentry/node": "^6.2.5"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/batch-submitter/src/exec/run-batch-submitter.ts b/packages/batch-submitter/src/exec/run-batch-submitter.ts
index 7115f6d2ca1a..272facbb3494 100644
--- a/packages/batch-submitter/src/exec/run-batch-submitter.ts
+++ b/packages/batch-submitter/src/exec/run-batch-submitter.ts
@@ -1,5 +1,6 @@
 /* External Imports */
 import { Logger, injectL2Context } from '@eth-optimism/core-utils'
+import { createWriteStream } from 'pino-sentry'
 import { exit } from 'process'
 import { Signer, Wallet } from 'ethers'
 import { JsonRpcProvider, TransactionReceipt } from '@ethersproject/providers'
@@ -16,7 +17,11 @@ import {
 } from '..'
 
 /* Logger */
-const log = new Logger({ name: 'oe:batch-submitter:init' })
+const destination = createWriteStream({
+  dsn: process.env.SENTRY_DSN,
+  tracesSampleRate: 0.05,
+})
+const log = new Logger({ name: 'oe:batch-submitter:init', destination })
 
 interface RequiredEnvVars {
   // The HTTP provider URL for L1.
diff --git a/packages/core-utils/src/common/logger.ts b/packages/core-utils/src/common/logger.ts
index 63315af81934..80ebc4ea2a8f 100644
--- a/packages/core-utils/src/common/logger.ts
+++ b/packages/core-utils/src/common/logger.ts
@@ -1,6 +1,7 @@
 import pino, {
   LoggerOptions as PinoLoggerOptions,
   DestinationObjectOptions,
+  DestinationStream,
 } from 'pino'
 
 export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'fatal'
@@ -8,7 +9,7 @@ export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'fatal'
 export interface LoggerOptions {
   name: string
   level?: LogLevel
-  destination?: DestinationObjectOptions
+  destination?: DestinationObjectOptions | DestinationStream
 }
 
 /**
diff --git a/packages/data-transport-layer/.env.example b/packages/data-transport-layer/.env.example
index b4664135dc29..a6c7769e195e 100644
--- a/packages/data-transport-layer/.env.example
+++ b/packages/data-transport-layer/.env.example
@@ -22,3 +22,7 @@ DATA_TRANSPORT_LAYER__L2_RPC_ENDPOINT=
 DATA_TRANSPORT_LAYER__TRANSACTIONS_PER_POLLING_INTERVAL=1000
 DATA_TRANSPORT_LAYER__L2_CHAIN_ID=69
 DATA_TRANSPORT_LAYER__LEGACY_SEQUENCER_COMPATIBILITY=false
+
+# Monitoring
+# Leave the SENTRY_DSN variable unset during local development
+DATA_TRANSPORT_LAYER__SENTRY_DSN=
diff --git a/packages/data-transport-layer/package.json b/packages/data-transport-layer/package.json
index 325379a2d5f4..db64309aebb7 100644
--- a/packages/data-transport-layer/package.json
+++ b/packages/data-transport-layer/package.json
@@ -22,6 +22,8 @@
     "@eth-optimism/contracts": "^0.2.2",
     "@eth-optimism/core-utils": "^0.2.2",
     "@ethersproject/providers": "^5.0.21",
+    "@sentry/node": "^6.2.5",
+    "@sentry/tracing": "^6.2.5",
     "@types/express": "^4.17.11",
     "bcfg": "^0.1.6",
     "browser-or-node": "^1.3.0",
diff --git a/packages/data-transport-layer/src/services/main/service.ts b/packages/data-transport-layer/src/services/main/service.ts
index 11aab2980ccf..703d9ff2f413 100644
--- a/packages/data-transport-layer/src/services/main/service.ts
+++ b/packages/data-transport-layer/src/services/main/service.ts
@@ -27,6 +27,7 @@ export interface L1DataTransportServiceOptions {
   transactionsPerPollingInterval: number
   legacySequencerCompatibility: boolean
   stopL2SyncAtBlock?: number
+  sentryDsn?: string
 }
 
 const optionSettings = {
diff --git a/packages/data-transport-layer/src/services/run.ts b/packages/data-transport-layer/src/services/run.ts
index 1edefe7a5b4f..181ca7bd00ef 100644
--- a/packages/data-transport-layer/src/services/run.ts
+++ b/packages/data-transport-layer/src/services/run.ts
@@ -49,6 +49,7 @@ interface Bcfg {
         false
       ),
       stopL2SyncAtBlock: config.uint('stopL2SyncAtBlock'),
+      sentryDsn: config.str('sentryDsn'),
     })
 
     await service.start()
diff --git a/packages/data-transport-layer/src/services/server/service.ts b/packages/data-transport-layer/src/services/server/service.ts
index 089b84dc26ad..32a1f7c04a26 100644
--- a/packages/data-transport-layer/src/services/server/service.ts
+++ b/packages/data-transport-layer/src/services/server/service.ts
@@ -5,6 +5,8 @@ import cors from 'cors'
 import { BigNumber } from 'ethers'
 import { JsonRpcProvider } from '@ethersproject/providers'
 import { LevelUp } from 'levelup'
+import * as Sentry from '@sentry/node'
+import * as Tracing from '@sentry/tracing'
 
 /* Imports: Internal */
 import { TransportDB } from '../../db/transport-db'
@@ -101,8 +103,21 @@ export class L1TransportServer extends BaseService<L1TransportServerOptions> {
   private _initializeApp() {
     // TODO: Maybe pass this in as a parameter instead of creating it here?
     this.state.app = express()
+    Sentry.init({
+      dsn: this.options.sentryDsn,
+      integrations: [
+        new Sentry.Integrations.Http({ tracing: true }),
+        new Tracing.Integrations.Express({
+          app: this.state.app,
+        }),
+      ],
+      tracesSampleRate: 0.05,
+    })
+    this.state.app.use(Sentry.Handlers.requestHandler())
+    this.state.app.use(Sentry.Handlers.tracingHandler())
     this.state.app.use(cors())
     this._registerAllRoutes()
+    this.state.app.use(Sentry.Handlers.errorHandler())
   }
 
   /**
diff --git a/yarn.lock b/yarn.lock
index 2c0ed0d0c6c3..c0c01114ea87 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1733,6 +1733,17 @@
     "@sentry/utils" "5.30.0"
     tslib "^1.9.3"
 
+"@sentry/core@6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/core/-/core-6.2.5.tgz#e75093f8598becc0a4a0be927f32f7ac49e8588f"
+  integrity sha512-I+AkgIFO6sDUoHQticP6I27TT3L+i6TUS03in3IEtpBcSeP2jyhlxI8l/wdA7gsBqUPdQ4GHOOaNgtFIcr8qag==
+  dependencies:
+    "@sentry/hub" "6.2.5"
+    "@sentry/minimal" "6.2.5"
+    "@sentry/types" "6.2.5"
+    "@sentry/utils" "6.2.5"
+    tslib "^1.9.3"
+
 "@sentry/hub@5.30.0":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/hub/-/hub-5.30.0.tgz#2453be9b9cb903404366e198bd30c7ca74cdc100"
@@ -1742,6 +1753,15 @@
     "@sentry/utils" "5.30.0"
     tslib "^1.9.3"
 
+"@sentry/hub@6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/hub/-/hub-6.2.5.tgz#324cae0c90d736cd1032e94104bf3f18becec4d6"
+  integrity sha512-YlEFdEhcfqpl2HC+/dWXBsBJEljyMzFS7LRRjCk8QANcOdp9PhwQjwebUB4/ulOBjHPP2WZk7fBBd/IKDasTUg==
+  dependencies:
+    "@sentry/types" "6.2.5"
+    "@sentry/utils" "6.2.5"
+    tslib "^1.9.3"
+
 "@sentry/minimal@5.30.0":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/minimal/-/minimal-5.30.0.tgz#ce3d3a6a273428e0084adcb800bc12e72d34637b"
@@ -1751,7 +1771,16 @@
     "@sentry/types" "5.30.0"
     tslib "^1.9.3"
 
-"@sentry/node@^5.18.1":
+"@sentry/minimal@6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/minimal/-/minimal-6.2.5.tgz#3e963e868bfa68e97581403521fd4e09a8965b02"
+  integrity sha512-RKP4Qx3p7Cv0oX1cPKAkNVFYM7p2k1t32cNk1+rrVQS4hwlJ7Eg6m6fsqsO+85jd6Ne/FnyYsfo9cDD3ImTlWQ==
+  dependencies:
+    "@sentry/hub" "6.2.5"
+    "@sentry/types" "6.2.5"
+    tslib "^1.9.3"
+
+"@sentry/node@^5.18.1", "@sentry/node@^5.21.1":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/node/-/node-5.30.0.tgz#4ca479e799b1021285d7fe12ac0858951c11cd48"
   integrity sha512-Br5oyVBF0fZo6ZS9bxbJZG4ApAjRqAnqFFurMVJJdunNb80brh7a5Qva2kjhm+U6r9NJAB5OmDyPkA1Qnt+QVg==
@@ -1766,6 +1795,21 @@
     lru_map "^0.3.3"
     tslib "^1.9.3"
 
+"@sentry/node@^6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/node/-/node-6.2.5.tgz#6e6694c0c3ce6ca231710f40da0cac7fd5c645ef"
+  integrity sha512-/iM3khzGnUH713VFhZBAEYJhb/saEQSVz7Udogml+O7mFQ4rutnwJhgoGcB9YYrwMv2m7qOSszkdZbemDV6k2g==
+  dependencies:
+    "@sentry/core" "6.2.5"
+    "@sentry/hub" "6.2.5"
+    "@sentry/tracing" "6.2.5"
+    "@sentry/types" "6.2.5"
+    "@sentry/utils" "6.2.5"
+    cookie "^0.4.1"
+    https-proxy-agent "^5.0.0"
+    lru_map "^0.3.3"
+    tslib "^1.9.3"
+
 "@sentry/tracing@5.30.0":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/tracing/-/tracing-5.30.0.tgz#501d21f00c3f3be7f7635d8710da70d9419d4e1f"
@@ -1777,11 +1821,27 @@
     "@sentry/utils" "5.30.0"
     tslib "^1.9.3"
 
+"@sentry/tracing@6.2.5", "@sentry/tracing@^6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/tracing/-/tracing-6.2.5.tgz#3f5dadfdccdb5c1fb2eef68458c7c34329b0a34a"
+  integrity sha512-j/hM0BoHxfrNLxPeEJ5Vq4R34hO/TOHMEpLR3FdnunBXbsmjoKMMygIkPxnpML5XWtvukAehbwpDXldwMYz83w==
+  dependencies:
+    "@sentry/hub" "6.2.5"
+    "@sentry/minimal" "6.2.5"
+    "@sentry/types" "6.2.5"
+    "@sentry/utils" "6.2.5"
+    tslib "^1.9.3"
+
 "@sentry/types@5.30.0":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/types/-/types-5.30.0.tgz#19709bbe12a1a0115bc790b8942917da5636f402"
   integrity sha512-R8xOqlSTZ+htqrfteCWU5Nk0CDN5ApUTvrlvBuiH1DyP6czDZ4ktbZB0hAgBlVcK0U+qpD3ag3Tqqpa5Q67rPw==
 
+"@sentry/types@6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/types/-/types-6.2.5.tgz#34b75285b149e0b9bc5fd54fcc2c445d978c7f2e"
+  integrity sha512-1Sux6CLYrV9bETMsGP/HuLFLouwKoX93CWzG8BjMueW+Di0OGxZphYjXrGuDs8xO8bAKEVGCHgVQdcB2jevS0w==
+
 "@sentry/utils@5.30.0":
   version "5.30.0"
   resolved "https://registry.yarnpkg.com/@sentry/utils/-/utils-5.30.0.tgz#9a5bd7ccff85ccfe7856d493bffa64cabc41e980"
@@ -1790,6 +1850,14 @@
     "@sentry/types" "5.30.0"
     tslib "^1.9.3"
 
+"@sentry/utils@6.2.5":
+  version "6.2.5"
+  resolved "https://registry.yarnpkg.com/@sentry/utils/-/utils-6.2.5.tgz#be90d056b09ed1216097d7a29e3e81ba39238e1b"
+  integrity sha512-fJoLUZHrd5MPylV1dT4qL74yNFDl1Ur/dab+pKNSyvnHPnbZ/LRM7aJ8VaRY/A7ZdpRowU+E14e/Yeem2c6gtQ==
+  dependencies:
+    "@sentry/types" "6.2.5"
+    tslib "^1.9.3"
+
 "@sindresorhus/is@^0.14.0":
   version "0.14.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
@@ -3976,7 +4044,7 @@ commander@3.0.2:
   resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
   integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
 
-commander@^2.12.1:
+commander@^2.12.1, commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -4700,6 +4768,16 @@ duplexer@^0.1.1:
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.2.tgz#3abe43aef3835f8ae077d136ddce0f276b0400e6"
   integrity sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==
 
+duplexify@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-4.1.1.tgz#7027dc374f157b122a8ae08c2d3ea4d2d953aa61"
+  integrity sha512-DY3xVEmVHTv1wSzKNbwoU6nVjzI369Y6sPoqfYr0/xlx3IdX2n94xIszTcjPO8W8ZIv0Wb0PXNcjuZyT4wiICA==
+  dependencies:
+    end-of-stream "^1.4.1"
+    inherits "^2.0.3"
+    readable-stream "^3.1.1"
+    stream-shift "^1.0.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
@@ -9867,6 +9945,17 @@ pino-pretty@^4.7.1:
     split2 "^3.1.1"
     strip-json-comments "^3.1.1"
 
+pino-sentry@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/pino-sentry/-/pino-sentry-0.6.1.tgz#ba3c6b0f904f918a55d99e4fd87cc92da4ba5164"
+  integrity sha512-UWA+rR7ybFFePqMw+hBL93hIureAWw+WfnxTjT3xg7an0lTnZRZ6rSdxIBgNb0pyKx9goHFaQbYU7Y6vSuIIXg==
+  dependencies:
+    "@sentry/node" "^5.21.1"
+    commander "^2.20.0"
+    pumpify "^2.0.1"
+    split2 "^3.1.1"
+    through2 "^3.0.1"
+
 pino-std-serializers@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/pino-std-serializers/-/pino-std-serializers-3.2.0.tgz#b56487c402d882eb96cd67c257868016b61ad671"
@@ -10126,6 +10215,15 @@ pump@^3.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+pumpify@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-2.0.1.tgz#abfc7b5a621307c728b551decbbefb51f0e4aa1e"
+  integrity sha512-m7KOje7jZxrmutanlkS1daj1dS6z6BgslzOXmcSEpIlCxM3VJH7lG5QLeck/6hgF6F4crFf01UtQmNsJfweTAw==
+  dependencies:
+    duplexify "^4.1.1"
+    inherits "^2.0.3"
+    pump "^3.0.0"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -10369,7 +10467,7 @@ read@1, read@~1.0.1:
   dependencies:
     mute-stream "~0.0.4"
 
-readable-stream@3, readable-stream@^3.0.0, readable-stream@^3.0.2, readable-stream@^3.0.6, readable-stream@^3.1.0, readable-stream@^3.1.1, readable-stream@^3.4.0, readable-stream@^3.6.0:
+"readable-stream@2 || 3", readable-stream@3, readable-stream@^3.0.0, readable-stream@^3.0.2, readable-stream@^3.0.6, readable-stream@^3.1.0, readable-stream@^3.1.1, readable-stream@^3.4.0, readable-stream@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
   integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
@@ -11355,6 +11453,11 @@ static-extend@^0.1.1:
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
 
+stream-shift@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
+  integrity sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==
+
 stream-to-pull-stream@^1.7.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/stream-to-pull-stream/-/stream-to-pull-stream-1.7.3.tgz#4161aa2d2eb9964de60bfa1af7feaf917e874ece"
@@ -11732,6 +11835,14 @@ through2@^2.0.0, through2@^2.0.1, through2@^2.0.3:
     readable-stream "~2.3.6"
     xtend "~4.0.1"
 
+through2@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-3.0.2.tgz#99f88931cfc761ec7678b41d5d7336b5b6a07bf4"
+  integrity sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==
+  dependencies:
+    inherits "^2.0.4"
+    readable-stream "2 || 3"
+
 through2@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/through2/-/through2-4.0.2.tgz#a7ce3ac2a7a8b0b966c80e7c49f0484c3b239764"