diff --git a/apollo/.env.prod b/apollo/.env.prod
index 8a8576b..4205263 100644
--- a/apollo/.env.prod
+++ b/apollo/.env.prod
@@ -28,6 +28,7 @@ LN_LINEA_DEFAULT_ENDPOINT=https://thegraph-g1.darwinia.network/helix/subgraphs/n
 
 POLYGON_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-polygon/v1.0.0
 ARBITRUM_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-arbitrum/v2.0.0
+ARBITRUM_LNV3_ENVIO_ENDPOINT=https://indexer.bigdevenergy.link/e5a45aa/v1/graphql
 BSC_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-bsc/v1.0.0
 LINEA_LNV3_ENDPOINT=https://thegraph-g1.darwinia.network/helix/subgraphs/name/lnv3/linea
 OP_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-op/v1.0.0
diff --git a/apollo/src/base/TransferServiceT2.ts b/apollo/src/base/TransferServiceT2.ts
index 81c880b..a682f01 100644
--- a/apollo/src/base/TransferServiceT2.ts
+++ b/apollo/src/base/TransferServiceT2.ts
@@ -22,6 +22,7 @@ export enum RecordStatus {
 export enum Level0IndexerType {
   thegraph,
   ponder,
+  envio,
 }
 
 export interface FetchCacheInfo {
diff --git a/apollo/src/lnv3/lnv3.service.ts b/apollo/src/lnv3/lnv3.service.ts
index 8e29baa..8f66fe1 100644
--- a/apollo/src/lnv3/lnv3.service.ts
+++ b/apollo/src/lnv3/lnv3.service.ts
@@ -8,6 +8,7 @@ import { TransferService } from './transfer.service';
 import { ChainToken, ChainMessager, ChainCouple } from '@helixbridge/helixconf';
 import { Lnv3ThegraphService } from './source/thegraph.service';
 import { Lnv3PonderService } from './source/ponder.service';
+import { Lnv3EnvioService } from './source/envio.service';
 
 export enum RelayUpdateType {
   PROVIDER_UPDATE,
@@ -42,6 +43,7 @@ export class Lnv3Service implements OnModuleInit {
   ) {
     this.sourceServices.set(Level0IndexerType.thegraph, new Lnv3ThegraphService());
     this.sourceServices.set(Level0IndexerType.ponder, new Lnv3PonderService());
+    this.sourceServices.set(Level0IndexerType.envio, new Lnv3EnvioService());
   }
 
   async onModuleInit() {
diff --git a/apollo/src/lnv3/transfer.service.ts b/apollo/src/lnv3/transfer.service.ts
index 7e4de3e..b139b40 100644
--- a/apollo/src/lnv3/transfer.service.ts
+++ b/apollo/src/lnv3/transfer.service.ts
@@ -8,6 +8,9 @@ import { AddressTokenMap } from '../base/AddressToken';
 export class TransferService extends BaseTransferServiceT2 {
   private readonly ethereumEndpoint = this.configService.get<string>('ETHEREUM_LNV3_ENDPOINT');
   private readonly arbitrumEndpoint = this.configService.get<string>('ARBITRUM_LNV3_ENDPOINT');
+  private readonly arbitrumEnvioEndpoint = this.configService.get<string>(
+    'ARBITRUM_LNV3_ENVIO_ENDPOINT'
+  );
   private readonly zksyncEndpoint = this.configService.get<string>('ZKSYNC_LNV3_ENDPOINT');
   private readonly polygonEndpoint = this.configService.get<string>('POLYGON_LNV3_ENDPOINT');
   private readonly bscEndpoint = this.configService.get<string>('BSC_LNV3_ENDPOINT');
@@ -43,6 +46,10 @@ export class TransferService extends BaseTransferServiceT2 {
           indexerType: Level0IndexerType.thegraph,
           url: this.arbitrumEndpoint,
         },
+        {
+          indexerType: Level0IndexerType.envio,
+          url: this.arbitrumEnvioEndpoint,
+        },
       ],
       chainConfig: HelixChain.arbitrum,
     },