diff --git a/package.json b/package.json
index f285c41..b25a38f 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "markdown-it": "^14.1.0",
     "marked": "^15.0.7",
     "normalize.css": "^8.0.1",
+    "pino": "^9.6.0",
     "prismjs": "^1.29.0",
     "react": "^18.0.0",
     "react-dom": "^18.0.0",
diff --git a/pages-common/apiHandler.ts b/pages-common/apiHandler.ts
index c99869f..73de37a 100644
--- a/pages-common/apiHandler.ts
+++ b/pages-common/apiHandler.ts
@@ -1,6 +1,7 @@
 import {NextApiRequest, NextApiResponse} from "next";
 import {handleExceptions} from "./handleExceptions";
 import {AuthContext, readJWTBearer} from "./auth";
+import {wrapAPILogging} from "./logger";
 
 type APIHandler = (req: NextApiRequest, res: NextApiResponse) => Promise<void>;
 
@@ -12,6 +13,7 @@ export function createAPIHandler(methodHandlers: {
   PATCH?: MethodHandler;
   PUT?: MethodHandler;
   DELETE?: MethodHandler;
+  _all?: MethodHandler;
 }): APIHandler {
   const handlers: {[key: string]: {handler: APIHandler; noAuth: boolean}} = {};
   for (const [method, handler] of Object.entries(methodHandlers)) {
@@ -21,34 +23,35 @@ export function createAPIHandler(methodHandlers: {
         : {...handler, noAuth: handler.noAuth ?? false};
   }
 
-  return async (req: NextApiRequest, res: NextApiResponse) => {
-    const methodHandler = handlers[req.method!];
+  return async (req: NextApiRequest, res: NextApiResponse) =>
+    wrapAPILogging(req, res, async () => {
+      const methodHandler = handlers[req.method!] ?? handlers._all;
 
-    if (!methodHandler) {
-      res.status(405).end(`method ${req.method} not allowed`);
-      return;
-    }
-
-    // Auth can be disabled on a per method basis because some admin api
-    // routes can still be public:
-    // for example those that return the list of agreements (GET),
-    // even though cherry-picking endpoints that require authentication is
-    // not the best developer's UX.
-    if (!methodHandler.noAuth) {
-      /**
-       * Requires an authenticated user for an API request. Inspects request
-       * headers to look for a valid JWT Bearer token. Stops request handling
-       * and returns 401 for unauthorized users.
-       */
-      try {
-        const user = await readJWTBearer(req);
-        (req as unknown as AuthContext).user = user;
-      } catch (err: any) {
-        res.status(401).end(err);
+      if (!methodHandler) {
+        res.status(405).end(`method ${req.method} not allowed`);
         return;
       }
-    }
 
-    await handleExceptions(res, () => methodHandler.handler(req, res));
-  };
+      // Auth can be disabled on a per method basis because some admin api
+      // routes can still be public:
+      // for example those that return the list of agreements (GET),
+      // even though cherry-picking endpoints that require authentication is
+      // not the best developer's UX.
+      if (!methodHandler.noAuth) {
+        /**
+         * Requires an authenticated user for an API request. Inspects request
+         * headers to look for a valid JWT Bearer token. Stops request handling
+         * and returns 401 for unauthorized users.
+         */
+        try {
+          const user = await readJWTBearer(req);
+          (req as unknown as AuthContext).user = user;
+        } catch (err: any) {
+          res.status(401).end(err);
+          return;
+        }
+      }
+
+      await handleExceptions(res, () => methodHandler.handler(req, res));
+    });
 }
diff --git a/pages-common/logger.ts b/pages-common/logger.ts
new file mode 100644
index 0000000..2abf4a1
--- /dev/null
+++ b/pages-common/logger.ts
@@ -0,0 +1,53 @@
+import {NextApiRequest, NextApiResponse} from "next";
+import pino from "pino";
+
+const logger = pino({
+  timestamp: pino.stdTimeFunctions.isoTime,
+});
+
+const reqContext = new AsyncLocalStorage();
+
+export async function wrapAPILogging(
+  req: NextApiRequest,
+  res: NextApiResponse,
+  handler: () => Promise<void>
+): Promise<void> {
+  const logData: object = {};
+  const startTime = performance.now();
+  try {
+    await reqContext.run(logData, handler);
+    logger.info({
+      method: req.method,
+      url: req.url,
+      duration_ms: performance.now() - startTime,
+      status_code: res.statusCode,
+      ...logData,
+    });
+  } catch (err) {
+    logger.error({
+      method: req.method,
+      url: req.url,
+      duration_ms: performance.now() - startTime,
+      status_code: 500,
+      ...(err instanceof Error
+        ? {
+            error_name: err.name,
+            message: err.message,
+            cause: err.cause,
+            stack: err.stack,
+          }
+        : {
+            message: String(err),
+          }),
+      ...logData,
+    });
+    res.status(500).end("internal server error");
+  }
+}
+
+export function addLogContext(data: object): void {
+  const ctxData = reqContext.getStore();
+  if (ctxData) {
+    Object.assign(ctxData, data);
+  }
+}
diff --git a/pages/api/health.ts b/pages/api/health.ts
index ee9de1b..deec511 100644
--- a/pages/api/health.ts
+++ b/pages/api/health.ts
@@ -1,10 +1,16 @@
-import {NextApiRequest, NextApiResponse} from "next";
+import {NextApiResponse} from "next";
+import {createAPIHandler} from "../../pages-common/apiHandler";
 
 interface AliveContract {
   alive: boolean;
   timestamp: Date;
 }
 
-export default (req: NextApiRequest, res: NextApiResponse<AliveContract>) => {
-  res.status(200).json({alive: true, timestamp: new Date()});
-};
+export default createAPIHandler({
+  _all: {
+    handler: async (req, res: NextApiResponse<AliveContract>) => {
+      res.status(200).json({alive: true, timestamp: new Date()});
+    },
+    noAuth: true,
+  },
+});
diff --git a/pages/api/pullrequesthook/index.ts b/pages/api/pullrequesthook/index.ts
index 3f51cbe..f60778d 100644
--- a/pages/api/pullrequesthook/index.ts
+++ b/pages/api/pullrequesthook/index.ts
@@ -9,6 +9,7 @@ import * as bodyParser from "body-parser";
 import * as httpErrors from "http-errors";
 import {NextHandleFunction} from "connect";
 import {createAPIHandler} from "../../../pages-common/apiHandler";
+import {addLogContext} from "../../../pages-common/logger";
 
 export const config = {
   api: {
@@ -113,6 +114,8 @@ async function _handler(
   // Next.js enforces lowercase header names
   const event = req.headers["x-github-event"];
 
+  addLogContext({github_event: event});
+
   if (!event) {
     res.status(400).end("Missing X-GitHub-Event header");
     return;
@@ -127,6 +130,7 @@ async function _handler(
       const {body} = req;
 
       const action = body.action;
+      addLogContext({github_pr_action: action});
       if (["opened", "reopened", "synchronize"].indexOf(action) === -1) {
         res
           .status(200)
@@ -195,6 +199,8 @@ async function _handler(
         },
       };
 
+      addLogContext({cla_check_input: input});
+
       await claHandler.checkCla(input);
       res.status(200).end("OK");
       return;
diff --git a/yarn.lock b/yarn.lock
index f3b9ec9..8ec1f1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1108,6 +1108,11 @@ assertion-error@^2.0.1:
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-2.0.1.tgz#f641a196b335690b1070bf00b6e7593fec190bf7"
   integrity sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==
 
+atomic-sleep@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/atomic-sleep/-/atomic-sleep-1.0.0.tgz#eb85b77a601fc932cfe432c5acd364a9e2c9075b"
+  integrity sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==
+
 babel-plugin-macros@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-macros/-/babel-plugin-macros-3.1.0.tgz#9ef6dc74deb934b4db344dc973ee851d148c50c1"
@@ -1682,6 +1687,11 @@ eventemitter3@^4.0.0:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
   integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
 
+fast-redact@^3.1.1:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/fast-redact/-/fast-redact-3.5.0.tgz#e9ea02f7e57d0cd8438180083e93077e496285e4"
+  integrity sha512-dwsoQlS7h9hMeYUq1W++23NDcBLV4KqONnITDV9DjfS3q1SgDGVrBdvvTLUotWtPSD7asWDV9/CmsZPy8Hf70A==
+
 fill-range@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.1.1.tgz#44265d3cac07e3ea7dc247516380643754a05292"
@@ -2579,6 +2589,11 @@ object-keys@~0.4.0:
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
   integrity sha512-ncrLw+X55z7bkl5PnUvHwFK9FcGuFYo9gtjws2XtSzL+aZ8tm830P60WJ0dSmFVaSalWieW5MD7kEdnXda9yJw==
 
+on-exit-leak-free@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/on-exit-leak-free/-/on-exit-leak-free-2.1.2.tgz#fed195c9ebddb7d9e4c3842f93f281ac8dadd3b8"
+  integrity sha512-0eJJY6hXLGf1udHwfNftBqH+g73EU4B504nZeKpz1sYRKafAghwxEJunB2O7rDZkL4PGfsMVnTXZ2EjibbqcsA==
+
 on-finished@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.4.1.tgz#58c8c44116e54845ad57f14ab10b03533184ac3f"
@@ -2713,6 +2728,35 @@ picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.3.1:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
+pino-abstract-transport@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pino-abstract-transport/-/pino-abstract-transport-2.0.0.tgz#de241578406ac7b8a33ce0d77ae6e8a0b3b68a60"
+  integrity sha512-F63x5tizV6WCh4R6RHyi2Ml+M70DNRXt/+HANowMflpgGFMAym/VKm6G7ZOQRjqN7XbGxK1Lg9t6ZrtzOaivMw==
+  dependencies:
+    split2 "^4.0.0"
+
+pino-std-serializers@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pino-std-serializers/-/pino-std-serializers-7.0.0.tgz#7c625038b13718dbbd84ab446bd673dc52259e3b"
+  integrity sha512-e906FRY0+tV27iq4juKzSYPbUj2do2X2JX4EzSca1631EB2QJQUqGbDuERal7LCtOpxl6x3+nvo9NPZcmjkiFA==
+
+pino@^9.6.0:
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/pino/-/pino-9.6.0.tgz#6bc628159ba0cc81806d286718903b7fc6b13169"
+  integrity sha512-i85pKRCt4qMjZ1+L7sy2Ag4t1atFcdbEt76+7iRJn1g2BvsnRMGu9p8pivl9fs63M2kF/A0OacFZhTub+m/qMg==
+  dependencies:
+    atomic-sleep "^1.0.0"
+    fast-redact "^3.1.1"
+    on-exit-leak-free "^2.1.0"
+    pino-abstract-transport "^2.0.0"
+    pino-std-serializers "^7.0.0"
+    process-warning "^4.0.0"
+    quick-format-unescaped "^4.0.3"
+    real-require "^0.2.0"
+    safe-stable-stringify "^2.3.1"
+    sonic-boom "^4.0.1"
+    thread-stream "^3.0.0"
+
 pkg-dir@^4.1.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-4.2.0.tgz#f099133df7ede422e81d1d8448270eeb3e4261f3"
@@ -2800,6 +2844,11 @@ process-on-spawn@^1.0.0:
   dependencies:
     fromentries "^1.2.0"
 
+process-warning@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/process-warning/-/process-warning-4.0.1.tgz#5c1db66007c67c756e4e09eb170cdece15da32fb"
+  integrity sha512-3c2LzQ3rY9d0hc1emcsHhfT9Jwz0cChib/QN89oME2R451w5fy3f0afAhERFZAwrbDU43wk12d0ORBpDVME50Q==
+
 prop-types@^15.6.2, prop-types@^15.8.1:
   version "15.8.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"
@@ -2838,6 +2887,11 @@ querystringify@^2.1.1:
   resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
   integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
+quick-format-unescaped@^4.0.3:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/quick-format-unescaped/-/quick-format-unescaped-4.0.4.tgz#93ef6dd8d3453cbc7970dd614fad4c5954d6b5a7"
+  integrity sha512-tYC1Q1hgyRuHgloV/YXs2w15unPVh8qfu/qCTfhTYamaw7fyhumKa2yGpdSo87vY32rIclj+4fWYQXUMs9EHvg==
+
 randombytes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
@@ -2948,6 +3002,11 @@ readdirp@~3.6.0:
   dependencies:
     picomatch "^2.2.1"
 
+real-require@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/real-require/-/real-require-0.2.0.tgz#209632dea1810be2ae063a6ac084fee7e33fba78"
+  integrity sha512-57frrGM/OCTLqLOAh0mhVA9VBMHd+9U7Zb2THMGdBUoZVOtGbJzjxsYGDJ3A9AYYCP4hn6y1TVbaOfzWtm5GFg==
+
 redux-thunk@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/redux-thunk/-/redux-thunk-3.1.0.tgz#94aa6e04977c30e14e892eae84978c1af6058ff3"
@@ -3038,6 +3097,11 @@ safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-stable-stringify@^2.3.1:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/safe-stable-stringify/-/safe-stable-stringify-2.5.0.tgz#4ca2f8e385f2831c432a719b108a3bf7af42a1dd"
+  integrity sha512-b3rppTKm9T+PsVCBEOUR46GWI7fdOs00VKZ1+9c1EWDaDMvjQc6tUwuFyIprgGgTcWoVHSKrU8H31ZHA2e0RHA==
+
 "safer-buffer@>= 2.1.2 < 3":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
@@ -3205,6 +3269,13 @@ simple-swizzle@^0.2.2:
   dependencies:
     is-arrayish "^0.3.1"
 
+sonic-boom@^4.0.1:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/sonic-boom/-/sonic-boom-4.2.0.tgz#e59a525f831210fa4ef1896428338641ac1c124d"
+  integrity sha512-INb7TM37/mAcsGmc9hyyI6+QR3rR1zVRu36B0NeGXKnOOLiZOfER5SA+N7X7k3yUYRzLWafduTDvJAfDswwEww==
+  dependencies:
+    atomic-sleep "^1.0.0"
+
 "source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.2.1.tgz#1ce5650fddd87abc099eda37dcff024c2667ae46"
@@ -3232,6 +3303,11 @@ spawn-wrap@^2.0.0:
     signal-exit "^3.0.2"
     which "^2.0.1"
 
+split2@^4.0.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/split2/-/split2-4.2.0.tgz#c9c5920904d148bab0b9f67145f245a86aadbfa4"
+  integrity sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -3364,6 +3440,13 @@ test-exclude@^6.0.0:
     glob "^7.1.4"
     minimatch "^3.0.4"
 
+thread-stream@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/thread-stream/-/thread-stream-3.1.0.tgz#4b2ef252a7c215064507d4ef70c05a5e2d34c4f1"
+  integrity sha512-OqyPZ9u96VohAyMfJykzmivOrY2wfMSf3C5TtFJVgN+Hm6aj+voFhlK+kZEIv2FBh1X6Xp3DlnCOfEQ3B2J86A==
+  dependencies:
+    real-require "^0.2.0"
+
 through2@~0.4.1:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/through2/-/through2-0.4.2.tgz#dbf5866031151ec8352bb6c4db64a2292a840b9b"