diff --git a/packages/nextjs/.env.example b/packages/nextjs/.env.example
index ededfd7..6904792 100644
--- a/packages/nextjs/.env.example
+++ b/packages/nextjs/.env.example
@@ -18,3 +18,7 @@ FIREBASE_PROJECT_ID="buidlguidl-v3"
 
 # Setup api-key for admin
 ADMIN_API_KEY="admin-api-key"
+
+# For Grants-SRE grant completion sync
+SRE_API_KEY=
+SRE_API_URL=
diff --git a/packages/nextjs/app/api/grants/[grantId]/review/route.tsx b/packages/nextjs/app/api/grants/[grantId]/review/route.tsx
index 52ae0e6..4e2fde4 100644
--- a/packages/nextjs/app/api/grants/[grantId]/review/route.tsx
+++ b/packages/nextjs/app/api/grants/[grantId]/review/route.tsx
@@ -1,8 +1,10 @@
 import { NextRequest, NextResponse } from "next/server";
 import { EIP712TypedData } from "@safe-global/safe-core-sdk-types";
+import { waitUntil } from "@vercel/functions";
 import { recoverTypedDataAddress } from "viem";
-import { reviewGrant } from "~~/services/database/grants";
+import { getGrantById, reviewGrant } from "~~/services/database/grants";
 import { findUserByAddress } from "~~/services/database/users";
+import { extractBuildId, sendBuildToSRE } from "~~/services/sre";
 import { EIP_712_DOMAIN, EIP_712_TYPES__REVIEW_GRANT, EIP_712_TYPES__REVIEW_GRANT_WITH_NOTE } from "~~/utils/eip712";
 import { PROPOSAL_STATUS, ProposalStatusType } from "~~/utils/grants";
 import { validateSafeSignature } from "~~/utils/safe-signature";
@@ -24,7 +26,6 @@ export async function POST(req: NextRequest, { params }: { params: { grantId: st
   // Validate action is valid
   const validActions = Object.values(PROPOSAL_STATUS);
   if (!validActions.includes(action)) {
-    console.error("Invalid action", action);
     return NextResponse.json({ error: "Invalid action" }, { status: 400 });
   }
 
@@ -84,7 +85,6 @@ export async function POST(req: NextRequest, { params }: { params: { grantId: st
   }
 
   if (!isValidSignature) {
-    console.error("Invalid signature", signer);
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }
 
@@ -92,7 +92,6 @@ export async function POST(req: NextRequest, { params }: { params: { grantId: st
   const signerData = await findUserByAddress(signer);
 
   if (signerData.data?.role !== "admin") {
-    console.error("Unauthorized", signer);
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }
 
@@ -105,9 +104,29 @@ export async function POST(req: NextRequest, { params }: { params: { grantId: st
       txChainId,
     });
   } catch (error) {
-    console.error("Error approving grant", error);
     return NextResponse.json({ error: "Error approving grant" }, { status: 500 });
   }
 
+  // Send build to SRE to mark it as bgGrant
+  if (action === PROPOSAL_STATUS.COMPLETED) {
+    // Use waitUntil for background processing
+    waitUntil(
+      (async () => {
+        try {
+          const grant = await getGrantById(grantId);
+          const buildId = extractBuildId(grant?.link);
+          if (buildId) {
+            await sendBuildToSRE(buildId);
+          } else {
+            console.warn("[SRE] Could not derive buildId from link – skipping SRE sync", grantId);
+          }
+        } catch (sreError) {
+          // Log SRE errors but don't fail the main operation
+          console.error("[SRE] Error notifying SpeedRunEthereum:", sreError);
+        }
+      })(),
+    );
+  }
+
   return NextResponse.json({ success: true });
 }
diff --git a/packages/nextjs/package.json b/packages/nextjs/package.json
index 141d485..159f0cb 100644
--- a/packages/nextjs/package.json
+++ b/packages/nextjs/package.json
@@ -21,6 +21,7 @@
     "@safe-global/safe-core-sdk-types": "^5.0.3",
     "@uniswap/sdk-core": "^4.0.1",
     "@uniswap/v2-sdk": "^3.0.1",
+    "@vercel/functions": "^2.0.0",
     "blo": "^1.0.1",
     "daisyui": "4.5.0",
     "firebase-admin": "^11.11.1",
diff --git a/packages/nextjs/services/sre.ts b/packages/nextjs/services/sre.ts
new file mode 100644
index 0000000..c755eb0
--- /dev/null
+++ b/packages/nextjs/services/sre.ts
@@ -0,0 +1,49 @@
+export const extractBuildId = (link: string | undefined | null): string | null => {
+  if (!link) return null;
+
+  try {
+    const url = new URL(link);
+    // Only try to extract the buildId from speedrunethereum.com
+    if (!url.hostname.endsWith("speedrunethereum.com")) {
+      return null;
+    }
+
+    const parts = url.pathname.split("/").filter(Boolean);
+    const id = parts.pop();
+    if (parts[parts.length - 1] !== "builds" || !id) {
+      return null;
+    }
+    return id;
+  } catch {
+    return null;
+  }
+};
+
+export const sendBuildToSRE = async (buildId: string): Promise<void> => {
+  const apiUrl = process.env.SRE_API_URL;
+  const apiKey = process.env.SRE_API_KEY;
+
+  if (!apiUrl || !apiKey) {
+    console.warn("[SRE] Missing SRE config (SRE_API_URL or SRE_API_KEY); skipping call");
+    return;
+  }
+  if (!buildId) {
+    console.warn("[SRE] No buildId supplied, nothing to send to SRE");
+    return;
+  }
+
+  try {
+    const payload = { buildId, apiKey };
+    const response = await fetch(apiUrl, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify(payload),
+    });
+
+    if (!response.ok) {
+      console.error("[SRE] SRE endpoint returned error status:", response.status);
+    }
+  } catch (error) {
+    console.error("[SRE] Failed to send build information to SRE", error);
+  }
+};
diff --git a/yarn.lock b/yarn.lock
index c3703de..1f36134 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2358,6 +2358,7 @@ __metadata:
     "@typescript-eslint/eslint-plugin": ^5.39.0
     "@uniswap/sdk-core": ^4.0.1
     "@uniswap/v2-sdk": ^3.0.1
+    "@vercel/functions": ^2.0.0
     autoprefixer: ^10.4.12
     blo: ^1.0.1
     daisyui: 4.5.0
@@ -3701,6 +3702,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@vercel/functions@npm:^2.0.0":
+  version: 2.2.8
+  resolution: "@vercel/functions@npm:2.2.8"
+  dependencies:
+    "@vercel/oidc": 2.0.0
+  peerDependencies:
+    "@aws-sdk/credential-provider-web-identity": "*"
+  peerDependenciesMeta:
+    "@aws-sdk/credential-provider-web-identity":
+      optional: true
+  checksum: 06e07f83205dc328018e9dcb6c41f3a71ac3ad2d58707748bda8877cf1877044ec2d959b6f50c008b0ef1310c168986023605180dfe108364926bbb15522ba46
+  languageName: node
+  linkType: hard
+
 "@vercel/gatsby-plugin-vercel-analytics@npm:1.0.11":
   version: 1.0.11
   resolution: "@vercel/gatsby-plugin-vercel-analytics@npm:1.0.11"
@@ -3798,6 +3813,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@vercel/oidc@npm:2.0.0":
+  version: 2.0.0
+  resolution: "@vercel/oidc@npm:2.0.0"
+  checksum: cb93084e1996dd021fff0e3e88ecd7b33e6451a1646279b6d7309188d2bc3c4249031eb8e40af52e4e145065daee086b8d57cf785be4589a285b2a2643baa125
+  languageName: node
+  linkType: hard
+
 "@vercel/python@npm:4.0.2":
   version: 4.0.2
   resolution: "@vercel/python@npm:4.0.2"