diff --git a/utils/chains.ts b/utils/chains.ts
index 1d503417..9af1c5bd 100644
--- a/utils/chains.ts
+++ b/utils/chains.ts
@@ -420,34 +420,34 @@ export default [
     oracleBidsEnabled: true,
     checkPollingInterval: reservoirChains.degen.checkPollingInterval,
   },
-  // {
-  //   ...customChains.xai,
-  //   name: 'Xai',
-  //   lightIconUrl: '/icons/xai-icon-light.svg',
-  //   darkIconUrl: '/icons/xai-icon-dark.svg',
-  //   reservoirBaseUrl: reservoirChains.xai.baseApiUrl,
-  //   proxyApi: '/api/reservoir/xai',
-  //   routePrefix: 'xai',
-  //   apiKey: process.env.RESERVOIR_API_KEY,
-  //   coingeckoId: 'xai-blockchain',
-  //   collectionSetId: process.env.NEXT_PUBLIC_XAI_COLLECTION_SET_ID,
-  //   community: process.env.NEXT_PUBLIC_XAI_COMMUNITY,
-  //   oracleBidsEnabled: true,
-  //   checkPollingInterval: reservoirChains.xai.checkPollingInterval,
-  // },
-  // {
-  //   ...customChains.nebula,
-  //   name: 'Nebula',
-  //   lightIconUrl: '/icons/nebula-icon-light.svg',
-  //   darkIconUrl: '/icons/nebula-icon-dark.svg',
-  //   reservoirBaseUrl: reservoirChains.nebula.baseApiUrl,
-  //   proxyApi: '/api/reservoir/nebula',
-  //   routePrefix: 'nebula',
-  //   apiKey: process.env.RESERVOIR_API_KEY,
-  //   coingeckoId: 'ethereum',
-  //   collectionSetId: process.env.NEXT_PUBLIC_NEBULA_COLLECTION_SET_ID,
-  //   community: process.env.NEXT_PUBLIC_NEBULA_COMMUNITY,
-  //   oracleBidsEnabled: true,
-  //   checkPollingInterval: reservoirChains.nebula.checkPollingInterval,
-  // },
+  {
+    ...customChains.xai,
+    name: 'Xai',
+    lightIconUrl: '/icons/xai-icon-light.svg',
+    darkIconUrl: '/icons/xai-icon-dark.svg',
+    reservoirBaseUrl: reservoirChains.xai.baseApiUrl,
+    proxyApi: '/api/reservoir/xai',
+    routePrefix: 'xai',
+    apiKey: process.env.RESERVOIR_API_KEY,
+    coingeckoId: 'xai-blockchain',
+    collectionSetId: process.env.NEXT_PUBLIC_XAI_COLLECTION_SET_ID,
+    community: process.env.NEXT_PUBLIC_XAI_COMMUNITY,
+    oracleBidsEnabled: true,
+    checkPollingInterval: reservoirChains.xai.checkPollingInterval,
+  },
+  {
+    ...customChains.nebula,
+    name: 'Nebula',
+    lightIconUrl: '/icons/nebula-icon-light.svg',
+    darkIconUrl: '/icons/nebula-icon-dark.svg',
+    reservoirBaseUrl: reservoirChains.nebula.baseApiUrl,
+    proxyApi: '/api/reservoir/nebula',
+    routePrefix: 'nebula',
+    apiKey: process.env.RESERVOIR_API_KEY,
+    coingeckoId: 'ethereum',
+    collectionSetId: process.env.NEXT_PUBLIC_NEBULA_COLLECTION_SET_ID,
+    community: process.env.NEXT_PUBLIC_NEBULA_COMMUNITY,
+    oracleBidsEnabled: true,
+    checkPollingInterval: reservoirChains.nebula.checkPollingInterval,
+  },
 ] as ReservoirChain[]
diff --git a/utils/paymentTokens.ts b/utils/paymentTokens.ts
index 4607fec6..e3d4b9a7 100644
--- a/utils/paymentTokens.ts
+++ b/utils/paymentTokens.ts
@@ -608,6 +608,35 @@ export const chainPaymentTokensMap = {
       decimals: 18,
     },
   ],
+
+  // Xai
+  660279: [
+    {
+      chainId: 660279,
+      address: zeroAddress,
+      symbol: 'XAI',
+      name: 'Xai',
+      decimals: 18,
+    },
+    {
+      chainId: 660279,
+      address: '0x3fb787101dc6be47cfe18aeee15404dcc842e6af',
+      symbol: 'WXAI',
+      name: 'WXAI',
+      decimals: 18,
+    },
+  ],
+
+  // Nebula
+  1482601649: [
+    {
+      chainId: 1482601649,
+      address: zeroAddress,
+      symbol: 'SFUEL',
+      name: 'SFUEL',
+      decimals: 18,
+    },
+  ],
   // cyber
   7560: [
     {