diff --git a/integration-tests/jest.config.js b/integration-tests/jest.config.js
index 2d10a3e21..7bac95655 100644
--- a/integration-tests/jest.config.js
+++ b/integration-tests/jest.config.js
@@ -10,7 +10,7 @@ module.exports = {
     '!tests/**/*.d.ts',
   ],
   // Increase timeout for integration tests that involve Lambda invocations and waiting for Datadog
-  testTimeout: 900000, // 15 minutes
+  testTimeout: 1800000, // 30 minutes
   verbose: true,
   // Reporters for test results
   reporters: [
diff --git a/integration-tests/tests/auth.test.ts b/integration-tests/tests/auth.test.ts
index 7f4879a33..8416b0939 100644
--- a/integration-tests/tests/auth.test.ts
+++ b/integration-tests/tests/auth.test.ts
@@ -27,7 +27,7 @@ describe('Auth Integration Tests', () => {
     telemetry = await invokeAndCollectTelemetry(functions, 1);
 
     console.log('All invocations and data fetching completed');
-  }, 600000);
+  }, 1800000);
 
   describe('on-demand (node)', () => {
     it('should invoke Lambda successfully', () => {
diff --git a/integration-tests/tests/custom-metrics.test.ts b/integration-tests/tests/custom-metrics.test.ts
index d00755bbf..38b1824d8 100644
--- a/integration-tests/tests/custom-metrics.test.ts
+++ b/integration-tests/tests/custom-metrics.test.ts
@@ -34,7 +34,7 @@ describe("Customer Metrics Exclude Tags Integration Tests", () => {
     metricsEndTime = Date.now();
 
     console.log("Lambdas invoked and indexing wait complete");
-  }, 900000);
+  }, 1800000);
 
   describe("unfiltered function (no DD_LAMBDA_CUSTOMER_METRICS_EXCLUDE_TAGS)", () => {
     it.each(EXCLUDED_TAGS)(
diff --git a/integration-tests/tests/lmi.test.ts b/integration-tests/tests/lmi.test.ts
index 36b4f4c55..abe1b3610 100644
--- a/integration-tests/tests/lmi.test.ts
+++ b/integration-tests/tests/lmi.test.ts
@@ -22,7 +22,7 @@ describe('LMI Integration Tests', () => {
     telemetry = await invokeAndCollectTelemetry(functions, 1);
 
     console.log('LMI invocation and data fetching completed');
-  }, 600000);
+  }, 1800000);
 
   describe.each(runtimes)('%s Runtime with LMI', (runtime) => {
     const getResult = () => telemetry[runtime]?.threads[0]?.[0];
diff --git a/integration-tests/tests/on-demand.test.ts b/integration-tests/tests/on-demand.test.ts
index ff88f6108..cb59e5cf7 100644
--- a/integration-tests/tests/on-demand.test.ts
+++ b/integration-tests/tests/on-demand.test.ts
@@ -22,7 +22,7 @@ describe('On-Demand Integration Tests', () => {
     telemetry = await invokeAndCollectTelemetry(functions, 2, 1, 5000);
 
     console.log('All invocations and data fetching completed');
-  }, 600000);
+  }, 1800000);
 
   describe.each(runtimes)('%s runtime', (runtime) => {
     const getTelemetry = () => telemetry[runtime];
diff --git a/integration-tests/tests/otlp.test.ts b/integration-tests/tests/otlp.test.ts
index fd836af16..c16128f34 100644
--- a/integration-tests/tests/otlp.test.ts
+++ b/integration-tests/tests/otlp.test.ts
@@ -33,7 +33,7 @@ describe('OTLP Integration Tests', () => {
     telemetry = await invokeAndCollectTelemetry(functions, 1, 1, 0, {}, DATADOG_INDEXING_WAIT_5_MIN_MS);
 
     console.log('All OTLP Lambda invocations and data fetching completed');
-  }, 700000);
+  }, 1800000);
 
   describe.each(runtimes)('%s Runtime', (runtime) => {
     const getResult = () => telemetry[runtime]?.threads[0]?.[0];
diff --git a/integration-tests/tests/payload-size.test.ts b/integration-tests/tests/payload-size.test.ts
index af81c6b97..b660e24ca 100644
--- a/integration-tests/tests/payload-size.test.ts
+++ b/integration-tests/tests/payload-size.test.ts
@@ -70,7 +70,7 @@ describe('Payload Size Integration Tests', () => {
       console.log(`Extension send-error log lines: ${sendErrorMessages.length}`);
 
       console.log('Invocation and telemetry collection complete');
-    }, 900000);
+    }, 1800000);
 
     // Assert on the FIRST request's trace. Its flush is deferred to a later
     // invocation (cold-start race), which is why we invoke a few times — but the
diff --git a/integration-tests/tests/snapstart.test.ts b/integration-tests/tests/snapstart.test.ts
index 0f9aa1e61..f4b70e833 100644
--- a/integration-tests/tests/snapstart.test.ts
+++ b/integration-tests/tests/snapstart.test.ts
@@ -45,7 +45,7 @@ describe('Snapstart Integration Tests', () => {
     telemetry = await invokeAndCollectTelemetry(functions, 2, 2, 5000);
 
     console.log('All Snapstart Lambda invocations and data fetching completed');
-  }, 900000);
+  }, 1800000);
 
   describe.each(runtimes)('%s Runtime with SnapStart', (runtime) => {
     // With concurrency=2, invocations=2:
diff --git a/integration-tests/tests/utils/datadog.ts b/integration-tests/tests/utils/datadog.ts
index 3e69dab78..f8d2bcb31 100644
--- a/integration-tests/tests/utils/datadog.ts
+++ b/integration-tests/tests/utils/datadog.ts
@@ -54,6 +54,49 @@ function formatDatadogError(error: unknown, query: string): string {
   return `Error (query: '${query}'): ${String(error)}`;
 }
 
+const MAX_RETRY_WAIT_MS = 5 * 60 * 1000;
+const DEFAULT_RETRY_AFTER_MS = 5000;
+const MAX_SINGLE_WAIT_MS = 60 * 1000;
+
+function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+function parseRetryAfterMs(error: AxiosError): number {
+  const headers = error.response?.headers ?? {};
+  const raw = headers['x-ratelimit-reset'] ?? headers['retry-after'];
+  const seconds = raw !== undefined ? Number(raw) : NaN;
+  const ms = Number.isFinite(seconds) && seconds > 0 ? seconds * 1000 : DEFAULT_RETRY_AFTER_MS;
+  return Math.min(ms, MAX_SINGLE_WAIT_MS);
+}
+
+async function requestWithRetry<T>(fn: () => Promise<T>, query: string): Promise<T> {
+  let waited = 0;
+  let attempt = 0;
+  // eslint-disable-next-line no-constant-condition
+  while (true) {
+    try {
+      return await fn();
+    } catch (error: unknown) {
+      const is429 = error instanceof AxiosError && error.response?.status === 429;
+      if (!is429) {
+        throw error;
+      }
+      const jitter = Math.floor(Math.random() * 1000);
+      const wait = parseRetryAfterMs(error as AxiosError) + jitter;
+      if (waited + wait > MAX_RETRY_WAIT_MS) {
+        throw error;
+      }
+      attempt += 1;
+      waited += wait;
+      console.warn(
+        `Datadog API 429 for '${query}'; retrying in ${wait}ms (attempt ${attempt}, total waited ${waited}ms)`,
+      );
+      await sleep(wait);
+    }
+  }
+}
+
 export interface DatadogTelemetry {
   threads: InvocationTracesLogs[][];  // [thread][invocation]
   metrics: EnhancedMetrics;
@@ -137,7 +180,7 @@ export async function getTraces(
   try {
     console.log(`Searching for traces: ${query}`);
 
-    const initialResponse = await datadogClient.post('/api/v2/spans/events/search', {
+    const initialResponse = await requestWithRetry(() => datadogClient.post('/api/v2/spans/events/search', {
       data: {
         type: 'search_request',
         attributes: {
@@ -152,7 +195,7 @@ export async function getTraces(
           sort: '-timestamp',
         },
       },
-    });
+    }), query);
 
     const initialSpans = initialResponse.data.data || [];
     console.log(`Found ${initialSpans.length} initial span(s)`);
@@ -169,12 +212,13 @@ export async function getTraces(
 
     const allSpans: any[] = [];
     for (const traceId of traceIds) {
-      const traceResponse = await datadogClient.post('/api/v2/spans/events/search', {
+      const traceQuery = `trace_id:${traceId}`;
+      const traceResponse = await requestWithRetry(() => datadogClient.post('/api/v2/spans/events/search', {
         data: {
           type: 'search_request',
           attributes: {
             filter: {
-              query: `trace_id:${traceId}`,
+              query: traceQuery,
               from: new Date(fromTime).toISOString(),
               to: new Date(toTime).toISOString(),
             },
@@ -183,7 +227,7 @@ export async function getTraces(
             },
           },
         },
-      });
+      }), traceQuery);
       const traceSpans = traceResponse.data.data || [];
       console.log(`Trace ${traceId}: ${traceSpans.length} spans`);
       allSpans.push(...traceSpans);
@@ -239,7 +283,7 @@ export async function getLogs(
   try {
     console.log(`Searching for logs: ${query}`);
 
-    const response = await datadogClient.post('/api/v2/logs/events/search', {
+    const response = await requestWithRetry(() => datadogClient.post('/api/v2/logs/events/search', {
       filter: {
         query: query,
         from: new Date(fromTime).toISOString(),
@@ -248,7 +292,7 @@ export async function getLogs(
       page: {
         limit: 1000,
       },
-    });
+    }), query);
 
     const rawLogs = response.data.data || [];
     console.log(`Found ${rawLogs.length} log(s)`);
@@ -309,13 +353,13 @@ export async function getMetricCount(
 
   console.log(`Querying metric count: ${query}`);
 
-  const response = await datadogClient.get('/api/v1/query', {
+  const response = await requestWithRetry(() => datadogClient.get('/api/v1/query', {
     params: {
       query,
       from: Math.floor(fromTime / 1000),
       to: Math.floor(toTime / 1000),
     },
-  });
+  }), query);
 
   const series = response.data.series || [];
   if (series.length === 0) {
@@ -337,13 +381,13 @@ async function getMetrics(
 
   console.log(`Querying metrics: ${query}`);
 
-  const response = await datadogClient.get('/api/v1/query', {
+  const response = await requestWithRetry(() => datadogClient.get('/api/v1/query', {
     params: {
       query,
       from: Math.floor(fromTime / 1000),
       to: Math.floor(toTime / 1000),
     },
-  });
+  }), query);
 
   const series = response.data.series || [];
   console.log(`Found ${series.length} series for ${metricName}`);
@@ -375,13 +419,13 @@ export async function hasMetricWithTag(
 
   console.log(`Querying metric with tag filter: ${query}`);
 
-  const response = await datadogClient.get('/api/v1/query', {
+  const response = await requestWithRetry(() => datadogClient.get('/api/v1/query', {
     params: {
       query,
       from: Math.floor(fromTime / 1000),
       to: Math.floor(toTime / 1000),
     },
-  });
+  }), query);
 
   const series = response.data.series || [];
   const hasData = series.some((s: any) => Array.isArray(s.pointlist) && s.pointlist.length > 0);