diff --git a/indexer-compose.yml b/indexer-compose.yml
index a2a33f3b..61d81c33 100644
--- a/indexer-compose.yml
+++ b/indexer-compose.yml
@@ -23,24 +23,24 @@ services:
       IPFS_GATEWAYS: ${IPFS_GATEWAYS}
       COINGECKO_API_KEY: ${COINGECKO_API_KEY}
       GRAPHILE_LICENSE: ${GRAPHILE_LICENSE}
-      SEPOLIA_RPC_URL: ${SEPOLIA_RPC_URL}
-      POLYGON_MUMBAI_RPC_URL: ${POLYGON_MUMBAI_RPC_URL}
-      AVALANCHE_RPC_URL: ${AVALANCHE_RPC_URL}
-      OPTIMISM_RPC_URL: ${OPTIMISM_RPC_URL}
+      SEPOLIA_RPC_URLS: ${SEPOLIA_RPC_URLS}
+      POLYGON_MUMBAI_RPC_URLS: ${POLYGON_MUMBAI_RPC_URLS}
+      AVALANCHE_RPC_URLS: ${AVALANCHE_RPC_URLS}
+      OPTIMISM_RPC_URLS: ${OPTIMISM_RPC_URLS}
       SENTRY_DSN: ${SENTRY_DSN}
       PGN_TESTNET_RPC_URL: ${PGN_TESTNET_RPC_URL}
-      ARBITRUM_GOERLI_RPC_URL: ${ARBITRUM_GOERLI_RPC_URL}
-      FANTOM_RPC_URL: ${FANTOM_RPC_URL}
-      BASE_RPC_URL: ${BASE_RPC_URL}
-      PGN_RPC_URL: ${PGN_RPC_URL}
-      GOERLI_RPC_URL: ${GOERLI_RPC_URL}
-      AVALANCHE_FUJI_RPC_URL: ${AVALANCHE_FUJI_RPC_URL}
-      ARBITRUM_RPC_URL: ${ARBITRUM_RPC_URL}
-      SEI_MAINNET_RPC_URL: ${SEI_MAINNET_RPC_URL}
-      MAINNET_RPC_URL: ${MAINNET_RPC_URL}
-      POLYGON_RPC_URL: ${POLYGON_RPC_URL}
-      METIS_ANDROMEDA_RPC_URL: ${METIS_ANDROMEDA_RPC_URL}
-      SCROLL_SEPOLIA_RPC_URL: ${SCROLL_SEPOLIA_RPC_URL}
+      ARBITRUM_GOERLI_RPC_URLS: ${ARBITRUM_GOERLI_RPC_URLS}
+      FANTOM_RPC_URLS: ${FANTOM_RPC_URLS}
+      BASE_RPC_URLS: ${BASE_RPC_URLS}
+      PGN_RPC_URLS: ${PGN_RPC_URLS}
+      GOERLI_RPC_URLS: ${GOERLI_RPC_URLS}
+      AVALANCHE_FUJI_RPC_URLS: ${AVALANCHE_FUJI_RPC_URLS}
+      ARBITRUM_RPC_URLS: ${ARBITRUM_RPC_URLS}
+      SEI_MAINNET_RPC_URLS: ${SEI_MAINNET_RPC_URLS}
+      MAINNET_RPC_URLS: ${MAINNET_RPC_URLS}
+      POLYGON_RPC_URLS: ${POLYGON_RPC_URLS}
+      METIS_ANDROMEDA_RPC_URLS: ${METIS_ANDROMEDA_RPC_URLS}
+      SCROLL_SEPOLIA_RPC_URLS: ${SCROLL_SEPOLIA_RPC_URLS}
       DATABASE_URL: "postgresql://postgres:postgres@db:5432/grants_stack_indexer"
 
   index:
diff --git a/src/config.ts b/src/config.ts
index e78f8e0f..80712735 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -40,7 +40,7 @@ export type Subscription = {
 };
 
 export type Chain = {
-  rpc: string;
+  rpcs: string[];
   name: string;
   id: ChainId;
   pricesFromTimestamp: number;
@@ -49,15 +49,15 @@ export type Chain = {
   maxGetLogsRange?: number;
 };
 
-const rpcUrl = z.string().url();
+const rpcUrl = z.array(z.string().url());
 
 const CHAINS: Chain[] = [
   {
     id: 1,
     name: "mainnet",
-    rpc: rpcUrl
-      .default("https://mainnet.infura.io/v3/")
-      .parse(process.env.MAINNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://mainnet.infura.io/v3/"])
+      .parse(process.env.MAINNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2022, 11, 1, 0, 0, 0),
     tokens: [
       {
@@ -152,9 +152,9 @@ const CHAINS: Chain[] = [
   {
     id: 10,
     name: "optimism",
-    rpc: rpcUrl
-      .default("https://optimism-rpc.publicnode.com")
-      .parse(process.env.OPTIMISM_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://optimism-rpc.publicnode.com"])
+      .parse(process.env.OPTIMISM_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2022, 11, 1, 0, 0, 0),
     tokens: [
       {
@@ -268,9 +268,9 @@ const CHAINS: Chain[] = [
   {
     id: 11155111,
     name: "sepolia",
-    rpc: rpcUrl
-      .default("https://ethereum-sepolia.publicnode.com")
-      .parse(process.env.SEPOLIA_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://ethereum-sepolia.publicnode.com"])
+      .parse(process.env.SEPOLIA_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 11, 1, 0, 0, 0),
     tokens: [
       {
@@ -372,9 +372,9 @@ const CHAINS: Chain[] = [
   {
     id: 250,
     name: "fantom",
-    rpc: rpcUrl
-      .default("https://rpcapi.fantom.network")
-      .parse(process.env.FANTOM_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://rpcapi.fantom.network"])
+      .parse(process.env.FANTOM_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2022, 11, 1, 0, 0, 0),
     tokens: [
       {
@@ -471,9 +471,9 @@ const CHAINS: Chain[] = [
   {
     id: 58008,
     name: "pgn-testnet",
-    rpc: rpcUrl
-      .default("https://sepolia.publicgoods.network")
-      .parse(process.env.PGN_TESTNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://sepolia.publicgoods.network"])
+      .parse(process.env.PGN_TESTNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 5, 2, 0, 0, 0),
     tokens: [
       {
@@ -524,9 +524,9 @@ const CHAINS: Chain[] = [
   {
     id: 424,
     name: "pgn-mainnet",
-    rpc: rpcUrl
-      .default("https://rpc.publicgoods.network")
-      .parse(process.env.PGN_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://rpc.publicgoods.network"])
+      .parse(process.env.PGN_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 5, 2, 0, 0, 0),
     tokens: [
       {
@@ -602,9 +602,9 @@ const CHAINS: Chain[] = [
   {
     id: 42161,
     name: "arbitrum",
-    rpc: rpcUrl
-      .default("https://arb-mainnet.g.alchemy.com/v2/")
-      .parse(process.env.ARBITRUM_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://arb-mainnet.g.alchemy.com/v2/"])
+      .parse(process.env.ARBITRUM_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 7, 1, 0, 0, 0),
     tokens: [
       {
@@ -715,9 +715,9 @@ const CHAINS: Chain[] = [
   {
     id: 80001,
     name: "polygon-mumbai",
-    rpc: rpcUrl
-      .default("https://rpc-mumbai.maticvigil.com/")
-      .parse(process.env.POLYGON_MUMBAI_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://rpc-mumbai.maticvigil.com/"])
+      .parse(process.env.POLYGON_MUMBAI_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 8, 19, 0, 0, 0),
     tokens: [
       {
@@ -795,9 +795,9 @@ const CHAINS: Chain[] = [
   {
     id: 137,
     name: "polygon",
-    rpc: rpcUrl
-      .default("https://polygon-rpc.com")
-      .parse(process.env.POLYGON_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://polygon-rpc.com"])
+      .parse(process.env.POLYGON_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 8, 19, 0, 0, 0),
     tokens: [
       {
@@ -893,9 +893,9 @@ const CHAINS: Chain[] = [
   {
     id: 8453,
     name: "base",
-    rpc: rpcUrl
-      .default("https://mainnet.base.org/")
-      .parse(process.env.BASE_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://mainnet.base.org/"])
+      .parse(process.env.BASE_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 12, 1, 0, 0, 0),
     tokens: [
       {
@@ -973,9 +973,9 @@ const CHAINS: Chain[] = [
   {
     id: 324,
     name: "zksync-era-mainnet",
-    rpc: rpcUrl
-      .default("https://mainnet.era.zksync.io")
-      .parse(process.env.ZKSYNC_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://mainnet.era.zksync.io"])
+      .parse(process.env.ZKSYNC_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 12, 1, 0, 0, 0),
     tokens: [
       {
@@ -1088,9 +1088,9 @@ const CHAINS: Chain[] = [
   {
     id: 300,
     name: "zksync-era-testnet",
-    rpc: rpcUrl
-      .default("https://sepolia.era.zksync.dev")
-      .parse(process.env.ZKSYNC_TESTNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://sepolia.era.zksync.dev"])
+      .parse(process.env.ZKSYNC_TESTNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 12, 1, 0, 0, 0),
     tokens: [
       {
@@ -1128,9 +1128,9 @@ const CHAINS: Chain[] = [
   {
     id: 43114,
     name: "avalanche",
-    rpc: rpcUrl
-      .default("https://rpc.ankr.com/avalanche")
-      .parse(process.env.AVALANCHE_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://rpc.ankr.com/avalanche"])
+      .parse(process.env.AVALANCHE_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 8, 19, 0, 0, 0),
     tokens: [
       {
@@ -1208,9 +1208,9 @@ const CHAINS: Chain[] = [
   {
     id: 43113,
     name: "avalanche-fuji",
-    rpc: rpcUrl
-      .default("https://avalanche-fuji-c-chain.publicnode.com")
-      .parse(process.env.AVALANCHE_FUJI_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://avalanche-fuji-c-chain.publicnode.com"])
+      .parse(process.env.AVALANCHE_FUJI_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2023, 8, 19, 0, 0, 0),
     tokens: [
       {
@@ -1278,9 +1278,9 @@ const CHAINS: Chain[] = [
   {
     id: 534351,
     name: "scroll-sepolia",
-    rpc: rpcUrl
-      .default("https://sepolia-rpc.scroll.io")
-      .parse(process.env.SCROLL_SEPOLIA_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://sepolia-rpc.scroll.io"])
+      .parse(process.env.SCROLL_SEPOLIA_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     maxGetLogsRange: 2000,
     tokens: [
@@ -1349,9 +1349,9 @@ const CHAINS: Chain[] = [
   {
     id: 534352,
     name: "scroll",
-    rpc: rpcUrl
-      .default("https://rpc.scroll.io")
-      .parse(process.env.SCROLL_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://rpc.scroll.io"])
+      .parse(process.env.SCROLL_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     maxGetLogsRange: 9000,
     tokens: [
@@ -1435,9 +1435,9 @@ const CHAINS: Chain[] = [
   {
     id: 713715,
     name: "sei-devnet",
-    rpc: rpcUrl
-      .default("https://evm-rpc-arctic-1.sei-apis.com")
-      .parse(process.env.SEI_DEVNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://evm-rpc-arctic-1.sei-apis.com"])
+      .parse(process.env.SEI_DEVNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
@@ -1485,9 +1485,9 @@ const CHAINS: Chain[] = [
   {
     id: 1329,
     name: "sei-mainnet",
-    rpc: rpcUrl
-      .default("https://evm-rpc.sei-apis.com")
-      .parse(process.env.SEI_MAINNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://evm-rpc.sei-apis.com"])
+      .parse(process.env.SEI_MAINNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     maxGetLogsRange: 10000,
     tokens: [
@@ -1536,9 +1536,9 @@ const CHAINS: Chain[] = [
   {
     id: 42,
     name: "lukso-mainnet",
-    rpc: rpcUrl
-      .default("https://42.rpc.thirdweb.com")
-      .parse(process.env.LUKSO_MAINNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://42.rpc.thirdweb.com"])
+      .parse(process.env.LUKSO_MAINNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
@@ -1586,9 +1586,9 @@ const CHAINS: Chain[] = [
   {
     id: 4201,
     name: "lukso-testnet",
-    rpc: rpcUrl
-      .default("https://4201.rpc.thirdweb.com")
-      .parse(process.env.LUKSO_TESTNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://4201.rpc.thirdweb.com"])
+      .parse(process.env.LUKSO_TESTNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
@@ -1627,9 +1627,9 @@ const CHAINS: Chain[] = [
   {
     id: 42220,
     name: "celo-mainnet",
-    rpc: rpcUrl
-      .default("https://forno.celo.org")
-      .parse(process.env.CELO_MAINNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://forno.celo.org"])
+      .parse(process.env.CELO_MAINNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
@@ -1686,9 +1686,9 @@ const CHAINS: Chain[] = [
   {
     id: 44787,
     name: "celo-testnet",
-    rpc: rpcUrl
-      .default("https://alfajores-forno.celo-testnet.org")
-      .parse(process.env.CELO_TESTNET_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://alfajores-forno.celo-testnet.org"])
+      .parse(process.env.CELO_TESTNET_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
@@ -1727,9 +1727,9 @@ const CHAINS: Chain[] = [
   {
     id: 1088,
     name: "metisAndromeda",
-    rpc: rpcUrl
-      .default("https://andromeda.metis.io/?owner=1088")
-      .parse(process.env.METIS_ANDROMEDA_RPC_URL),
+    rpcs: rpcUrl
+      .default(["https://andromeda.metis.io/?owner=1088"])
+      .parse(process.env.METIS_ANDROMEDA_RPC_URLS),
     pricesFromTimestamp: Date.UTC(2024, 0, 1, 0, 0, 0),
     tokens: [
       {
diff --git a/src/index.ts b/src/index.ts
index 449d5871..4e475c23 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -164,9 +164,9 @@ async function main(): Promise<void> {
       (c) =>
         c.name +
         " (rpc: " +
-        c.rpc.slice(0, 25) +
+        c.rpcs[0].slice(0, 25) +
         "..." +
-        c.rpc.slice(-5, -1) +
+        c.rpcs[0].slice(-5, -1) +
         ")"
     ),
   });
@@ -188,7 +188,7 @@ async function main(): Promise<void> {
 
     const chain = getChainConfigById(chainId);
     const client = createPublicClient({
-      transport: http(chain.rpc),
+      transport: http(chain.rpcs[0]),
     });
 
     const block = await client.getBlock({ blockNumber });
@@ -565,14 +565,34 @@ async function catchupAndWatchChain(
 
     const indexerLogger = chainLogger.child({ subsystem: "DataUpdater" });
 
-    const viemRpcClient = createPublicClient({
-      transport: http(config.chain.rpc),
-    });
+    let publicRpcClient: ReturnType<typeof createPublicClient> | null = null;
+
+    for (const rpcUrl of config.chain.rpcs) {
+      try {
+        publicRpcClient = createPublicClient({
+          transport: http(rpcUrl),
+        });
+
+        const blockNumber = await publicRpcClient.getBlockNumber();
+        chainLogger.info(
+          `Connected to RPC at ${rpcUrl} at block ${blockNumber}`
+        );
+        break;
+      } catch (error) {
+        chainLogger.warn(
+          `Failed to connect to RPC at ${rpcUrl}, trying next one...`
+        );
+      }
+    }
+
+    if (!publicRpcClient) {
+      throw new Error("All RPC connections failed");
+    }
 
     const eventHandlerContext: EventHandlerContext = {
       chainId: config.chain.id,
       db,
-      rpcClient: viemRpcClient,
+      rpcClient: publicRpcClient,
       ipfsGet: cachedIpfsGet,
       priceProvider,
       blockTimestampInMs: blockTimestampInMs,
@@ -583,7 +603,7 @@ async function catchupAndWatchChain(
       retryDelayMs: 1000,
       maxConcurrentRequests: 10,
       maxRetries: 3,
-      url: config.chain.rpc,
+      url: config.chain.rpcs[0],
       onRequest({ method, params }) {
         chainLogger.trace({ msg: `RPC Request ${method}`, params });
       },