diff --git a/src/chains/testnet/apollo.json b/src/chains/testnet/apollo.json
index a6304784..b8bc3299 100644
--- a/src/chains/testnet/apollo.json
+++ b/src/chains/testnet/apollo.json
@@ -1,5 +1,8 @@
 {
     "chain_name": "apollo",
+    "provider_chain": {
+        "api": "https://rest.provider-sentry-01.goc.earthball.xyz"
+    },
     "api": ["https://apollo.api.ping.pub"],
     "rpc": [],
     "sdk_version": "0.45.7",
@@ -8,8 +11,8 @@
     "addr_prefix": "cosmos",
     "logo": "/logos/game_of_chain.jpeg",
     "assets": [{
-        "base": "uprov",
-        "symbol": "PROV",
+        "base": "upol",
+        "symbol": "POL",
         "exponent": "6",
         "coingecko_id": "", 
         "logo": "/logos/game_of_chain.jpeg"
diff --git a/src/chains/testnet/sputnik.json b/src/chains/testnet/sputnik.json
index 7aff45f4..45438683 100644
--- a/src/chains/testnet/sputnik.json
+++ b/src/chains/testnet/sputnik.json
@@ -1,5 +1,8 @@
 {
-    "chain_name": "sputnik",
+    "chain_name": "sputnik",    
+    "provider_chain": {
+        "api": "https://rest.provider-sentry-01.goc.earthball.xyz"
+    },
     "api": ["https://sputnik.api.ping.pub"],
     "rpc": [],
     "sdk_version": "0.45.7",
@@ -8,8 +11,8 @@
     "addr_prefix": "cosmos",
     "logo": "/logos/game_of_chain.jpeg",
     "assets": [{
-        "base": "uprov",
-        "symbol": "PROV",
+        "base": "unik",
+        "symbol": "NIK",
         "exponent": "6",
         "coingecko_id": "", 
         "logo": "/logos/game_of_chain.jpeg"
diff --git a/src/libs/fetch.js b/src/libs/fetch.js
index 23a6e5ac..efa523be 100644
--- a/src/libs/fetch.js
+++ b/src/libs/fetch.js
@@ -183,7 +183,7 @@ export default class ChainFetch {
   }
 
   async getValidatorList(config = null) {
-    return this.get('/cosmos/staking/v1beta1/validators?pagination.limit=200&status=BOND_STATUS_BONDED', config).then(data => {
+    return this.get('/cosmos/staking/v1beta1/validators?pagination.limit=200&status=BOND_STATUS_BONDED', config, true).then(data => {
       const vals = commonProcess(data.validators).map(i => new Validator().init(i))
       try {
         localStorage.setItem(`validators-${this.config.chain_name}`, JSON.stringify(vals))
@@ -203,7 +203,7 @@ export default class ChainFetch {
   }
 
   async getValidatorUnbondedList() {
-    return this.get('/cosmos/staking/v1beta1/validators?pagination.limit=100&status=BOND_STATUS_UNBONDED').then(data => {
+    return this.get('/cosmos/staking/v1beta1/validators?pagination.limit=100&status=BOND_STATUS_UNBONDED', null, true).then(data => {
       const result = commonProcess(data.validators)
       const vals = result.validators ? result.validators : result
       return vals.map(i => new Validator().init(i))
@@ -211,7 +211,7 @@ export default class ChainFetch {
   }
 
   async getValidatorListByStatus(status) {
-    return this.get(`/cosmos/staking/v1beta1/validators?status=${status}&pagination.limit=500`).then(data => {
+    return this.get(`/cosmos/staking/v1beta1/validators?status=${status}&pagination.limit=500`, null, true).then(data => {
       const result = commonProcess(data)
       const vals = result.validators ? result.validators : result
       return vals.map(i => new Validator().init(i))
@@ -427,7 +427,7 @@ export default class ChainFetch {
   }
 
   async getValidatorSlashs(address, config = null) {
-    return this.get(`/cosmos/distribution/v1beta1/validators//${address}/slashes`, config).then(data => commonProcess(data))
+    return this.get(`/cosmos/distribution/v1beta1/validators/${address}/slashes`, config).then(data => commonProcess(data))
   }
 
   async getStakingValidators(address) {
@@ -595,15 +595,17 @@ export default class ChainFetch {
     return response.json() // parses JSON response into native JavaScript objects
   }
 
-  async get(url, config = null) {
+  async get(url, config = null, fetch_on_provider = false) {
     if (!config) {
       this.getSelectedConfig()
     }
     const conf = config || this.config
+    if (fetch_on_provider && conf.provider_chain) {
+      return fetch(`${conf.provider_chain.api}${url}`).then(response => response.json())
+    }
     const finalurl = (Array.isArray(conf.api) ? conf.api[this.getApiIndex(config)] : conf.api) + url
     // finalurl = finalurl.replaceAll('v1beta1', this.getEndpointVersion())
-    const ret = await fetch(finalurl).then(response => response.json())
-    return ret
+    return fetch(finalurl).then(response => response.json())
   }
 
   getApiIndex(config = null) {