diff --git a/src/vendors/nexus/apis/DefaultApi.ts b/src/vendors/nexus/apis/DefaultApi.ts
index aa3bc0fa06..39a22be1d1 100644
--- a/src/vendors/nexus/apis/DefaultApi.ts
+++ b/src/vendors/nexus/apis/DefaultApi.ts
@@ -183,8 +183,8 @@ export interface ConsensusBlocksGetRequest {
     offset?: number;
     from?: number;
     to?: number;
-    after?: Date;
-    before?: Date;
+    after?: string;
+    before?: string;
     hash?: string;
 }
 
@@ -264,8 +264,8 @@ export interface ConsensusTransactionsGetRequest {
     method?: ConsensusTxMethod;
     sender?: string;
     rel?: string;
-    after?: Date;
-    before?: Date;
+    after?: string;
+    before?: string;
 }
 
 export interface ConsensusTransactionsTxHashGetRequest {
@@ -324,8 +324,8 @@ export interface RuntimeBlocksGetRequest {
     offset?: number;
     from?: number;
     to?: number;
-    after?: Date;
-    before?: Date;
+    after?: string;
+    before?: string;
     hash?: string;
 }
 
@@ -384,8 +384,8 @@ export interface RuntimeTransactionsGetRequest {
     limit?: number;
     offset?: number;
     block?: number;
-    after?: Date;
-    before?: Date;
+    after?: string;
+    before?: string;
     rel?: string;
 }
 
@@ -653,11 +653,11 @@ export class DefaultApi extends runtime.BaseAPI {
         }
 
         if (requestParameters['after'] != null) {
-            queryParameters['after'] = (requestParameters['after'] as any).toISOString();
+            queryParameters['after'] = requestParameters['after'];
         }
 
         if (requestParameters['before'] != null) {
-            queryParameters['before'] = (requestParameters['before'] as any).toISOString();
+            queryParameters['before'] = requestParameters['before'];
         }
 
         if (requestParameters['hash'] != null) {
@@ -1188,11 +1188,11 @@ export class DefaultApi extends runtime.BaseAPI {
         }
 
         if (requestParameters['after'] != null) {
-            queryParameters['after'] = (requestParameters['after'] as any).toISOString();
+            queryParameters['after'] = requestParameters['after'];
         }
 
         if (requestParameters['before'] != null) {
-            queryParameters['before'] = (requestParameters['before'] as any).toISOString();
+            queryParameters['before'] = requestParameters['before'];
         }
 
         const headerParameters: runtime.HTTPHeaders = {};
@@ -1610,11 +1610,11 @@ export class DefaultApi extends runtime.BaseAPI {
         }
 
         if (requestParameters['after'] != null) {
-            queryParameters['after'] = (requestParameters['after'] as any).toISOString();
+            queryParameters['after'] = requestParameters['after'];
         }
 
         if (requestParameters['before'] != null) {
-            queryParameters['before'] = (requestParameters['before'] as any).toISOString();
+            queryParameters['before'] = requestParameters['before'];
         }
 
         if (requestParameters['hash'] != null) {
@@ -2001,11 +2001,11 @@ export class DefaultApi extends runtime.BaseAPI {
         }
 
         if (requestParameters['after'] != null) {
-            queryParameters['after'] = (requestParameters['after'] as any).toISOString();
+            queryParameters['after'] = requestParameters['after'];
         }
 
         if (requestParameters['before'] != null) {
-            queryParameters['before'] = (requestParameters['before'] as any).toISOString();
+            queryParameters['before'] = requestParameters['before'];
         }
 
         if (requestParameters['rel'] != null) {
diff --git a/src/vendors/nexus/models/Account.ts b/src/vendors/nexus/models/Account.ts
index 5307dcc3a5..5609822e71 100644
--- a/src/vendors/nexus/models/Account.ts
+++ b/src/vendors/nexus/models/Account.ts
@@ -81,10 +81,10 @@ export interface Account {
      * The second-granular consensus time of the block in which this account was first active.
      * Dates before Cobalt (2021-04-28) are approximate.
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof Account
      */
-    first_activity?: Date;
+    first_activity?: string;
     /**
      * The allowances made by this account.
      * This field is omitted when listing multiple accounts.
@@ -134,7 +134,7 @@ export function AccountFromJSONTyped(json: any, ignoreDiscriminator: boolean): A
         'debonding': json['debonding'],
         'delegations_balance': json['delegations_balance'],
         'debonding_delegations_balance': json['debonding_delegations_balance'],
-        'first_activity': json['first_activity'] == null ? undefined : (new Date(json['first_activity'])),
+        'first_activity': json['first_activity'] == null ? undefined : json['first_activity'],
         'allowances': ((json['allowances'] as Array<any>).map(AllowanceFromJSON)),
         'stats': AccountStatsFromJSON(json['stats']),
     };
@@ -158,7 +158,7 @@ export function AccountToJSONTyped(value?: Account | null, ignoreDiscriminator:
         'debonding': value['debonding'],
         'delegations_balance': value['delegations_balance'],
         'debonding_delegations_balance': value['debonding_delegations_balance'],
-        'first_activity': value['first_activity'] == null ? undefined : ((value['first_activity']).toISOString()),
+        'first_activity': value['first_activity'],
         'allowances': ((value['allowances'] as Array<any>).map(AllowanceToJSON)),
         'stats': AccountStatsToJSON(value['stats']),
     };
diff --git a/src/vendors/nexus/models/AccountListAllOfAccounts.ts b/src/vendors/nexus/models/AccountListAllOfAccounts.ts
index 1a2d3b728b..9b1c8e5c2a 100644
--- a/src/vendors/nexus/models/AccountListAllOfAccounts.ts
+++ b/src/vendors/nexus/models/AccountListAllOfAccounts.ts
@@ -80,10 +80,10 @@ export interface AccountListAllOfAccounts {
      * The second-granular consensus time of the block in which this account was first active.
      * Dates before Cobalt (2021-04-28) are approximate.
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof AccountListAllOfAccounts
      */
-    first_activity?: Date;
+    first_activity?: string;
     /**
      * The allowances made by this account.
      * This field is omitted when listing multiple accounts.
@@ -133,7 +133,7 @@ export function AccountListAllOfAccountsFromJSONTyped(json: any, ignoreDiscrimin
         'debonding': json['debonding'],
         'delegations_balance': json['delegations_balance'],
         'debonding_delegations_balance': json['debonding_delegations_balance'],
-        'first_activity': json['first_activity'] == null ? undefined : (new Date(json['first_activity'])),
+        'first_activity': json['first_activity'] == null ? undefined : json['first_activity'],
         'allowances': ((json['allowances'] as Array<any>).map(AllowanceFromJSON)),
         'stats': AccountStatsFromJSON(json['stats']),
     };
@@ -157,7 +157,7 @@ export function AccountListAllOfAccountsToJSONTyped(value?: AccountListAllOfAcco
         'debonding': value['debonding'],
         'delegations_balance': value['delegations_balance'],
         'debonding_delegations_balance': value['debonding_delegations_balance'],
-        'first_activity': value['first_activity'] == null ? undefined : ((value['first_activity']).toISOString()),
+        'first_activity': value['first_activity'],
         'allowances': ((value['allowances'] as Array<any>).map(AllowanceToJSON)),
         'stats': AccountStatsToJSON(value['stats']),
     };
diff --git a/src/vendors/nexus/models/ActiveAccounts.ts b/src/vendors/nexus/models/ActiveAccounts.ts
index e595cec851..e2854b4ce4 100644
--- a/src/vendors/nexus/models/ActiveAccounts.ts
+++ b/src/vendors/nexus/models/ActiveAccounts.ts
@@ -21,10 +21,10 @@ import { mapValues } from '../runtime';
 export interface ActiveAccounts {
     /**
      * The date for the end of the daily active accounts measurement window.
-     * @type {Date}
+     * @type {string}
      * @memberof ActiveAccounts
      */
-    window_end: Date;
+    window_end: string;
     /**
      * The number of active accounts for the 24hour window ending at window_end.
      * @type {number}
@@ -52,7 +52,7 @@ export function ActiveAccountsFromJSONTyped(json: any, ignoreDiscriminator: bool
     }
     return {
         
-        'window_end': (new Date(json['window_end'])),
+        'window_end': json['window_end'],
         'active_accounts': json['active_accounts'],
     };
 }
@@ -68,7 +68,7 @@ export function ActiveAccountsToJSONTyped(value?: ActiveAccounts | null, ignoreD
 
     return {
         
-        'window_end': ((value['window_end']).toISOString()),
+        'window_end': value['window_end'],
         'active_accounts': value['active_accounts'],
     };
 }
diff --git a/src/vendors/nexus/models/Block.ts b/src/vendors/nexus/models/Block.ts
index ebe42fa864..d4e37e27a2 100644
--- a/src/vendors/nexus/models/Block.ts
+++ b/src/vendors/nexus/models/Block.ts
@@ -34,10 +34,10 @@ export interface Block {
     hash: string;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof Block
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * Number of transactions in the block.
      * @type {number}
@@ -100,7 +100,7 @@ export function BlockFromJSONTyped(json: any, ignoreDiscriminator: boolean): Blo
         
         'height': json['height'],
         'hash': json['hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'num_transactions': json['num_transactions'],
         'gas_limit': json['gas_limit'],
         'size_limit': json['size_limit'] == null ? undefined : json['size_limit'],
@@ -122,7 +122,7 @@ export function BlockToJSONTyped(value?: Block | null, ignoreDiscriminator: bool
         
         'height': value['height'],
         'hash': value['hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'num_transactions': value['num_transactions'],
         'gas_limit': value['gas_limit'],
         'size_limit': value['size_limit'],
diff --git a/src/vendors/nexus/models/BlockListAllOfBlocks.ts b/src/vendors/nexus/models/BlockListAllOfBlocks.ts
index d1270505a6..889e22f641 100644
--- a/src/vendors/nexus/models/BlockListAllOfBlocks.ts
+++ b/src/vendors/nexus/models/BlockListAllOfBlocks.ts
@@ -33,10 +33,10 @@ export interface BlockListAllOfBlocks {
     hash: string;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof BlockListAllOfBlocks
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * Number of transactions in the block.
      * @type {number}
@@ -99,7 +99,7 @@ export function BlockListAllOfBlocksFromJSONTyped(json: any, ignoreDiscriminator
         
         'height': json['height'],
         'hash': json['hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'num_transactions': json['num_transactions'],
         'gas_limit': json['gas_limit'],
         'size_limit': json['size_limit'] == null ? undefined : json['size_limit'],
@@ -121,7 +121,7 @@ export function BlockListAllOfBlocksToJSONTyped(value?: BlockListAllOfBlocks | n
         
         'height': value['height'],
         'hash': value['hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'num_transactions': value['num_transactions'],
         'gas_limit': value['gas_limit'],
         'size_limit': value['size_limit'],
diff --git a/src/vendors/nexus/models/ProposalVote.ts b/src/vendors/nexus/models/ProposalVote.ts
index 517f1c50d5..61271cd499 100644
--- a/src/vendors/nexus/models/ProposalVote.ts
+++ b/src/vendors/nexus/models/ProposalVote.ts
@@ -39,10 +39,10 @@ export interface ProposalVote {
     height?: number;
     /**
      * The second-granular consensus time of the block in which this vote was cast.
-     * @type {Date}
+     * @type {string}
      * @memberof ProposalVote
      */
-    timestamp?: Date;
+    timestamp?: string;
 }
 
 /**
@@ -67,7 +67,7 @@ export function ProposalVoteFromJSONTyped(json: any, ignoreDiscriminator: boolea
         'address': json['address'],
         'vote': json['vote'],
         'height': json['height'] == null ? undefined : json['height'],
-        'timestamp': json['timestamp'] == null ? undefined : (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'] == null ? undefined : json['timestamp'],
     };
 }
 
@@ -85,7 +85,7 @@ export function ProposalVoteToJSONTyped(value?: ProposalVote | null, ignoreDiscr
         'address': value['address'],
         'vote': value['vote'],
         'height': value['height'],
-        'timestamp': value['timestamp'] == null ? undefined : ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
     };
 }
 
diff --git a/src/vendors/nexus/models/ProposalVotesAllOfVotes.ts b/src/vendors/nexus/models/ProposalVotesAllOfVotes.ts
index 17e4ddf687..e61eb9062b 100644
--- a/src/vendors/nexus/models/ProposalVotesAllOfVotes.ts
+++ b/src/vendors/nexus/models/ProposalVotesAllOfVotes.ts
@@ -39,10 +39,10 @@ export interface ProposalVotesAllOfVotes {
     height?: number;
     /**
      * The second-granular consensus time of the block in which this vote was cast.
-     * @type {Date}
+     * @type {string}
      * @memberof ProposalVotesAllOfVotes
      */
-    timestamp?: Date;
+    timestamp?: string;
 }
 
 /**
@@ -67,7 +67,7 @@ export function ProposalVotesAllOfVotesFromJSONTyped(json: any, ignoreDiscrimina
         'address': json['address'],
         'vote': json['vote'],
         'height': json['height'] == null ? undefined : json['height'],
-        'timestamp': json['timestamp'] == null ? undefined : (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'] == null ? undefined : json['timestamp'],
     };
 }
 
@@ -85,7 +85,7 @@ export function ProposalVotesAllOfVotesToJSONTyped(value?: ProposalVotesAllOfVot
         'address': value['address'],
         'vote': value['vote'],
         'height': value['height'],
-        'timestamp': value['timestamp'] == null ? undefined : ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
     };
 }
 
diff --git a/src/vendors/nexus/models/RuntimeBlock.ts b/src/vendors/nexus/models/RuntimeBlock.ts
index a6d48143e9..d35c3ea707 100644
--- a/src/vendors/nexus/models/RuntimeBlock.ts
+++ b/src/vendors/nexus/models/RuntimeBlock.ts
@@ -34,10 +34,10 @@ export interface RuntimeBlock {
     hash: string;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeBlock
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The number of transactions in the block.
      * @type {number}
@@ -83,7 +83,7 @@ export function RuntimeBlockFromJSONTyped(json: any, ignoreDiscriminator: boolea
         
         'round': json['round'],
         'hash': json['hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'num_transactions': json['num_transactions'],
         'size': json['size'],
         'gas_used': json['gas_used'],
@@ -103,7 +103,7 @@ export function RuntimeBlockToJSONTyped(value?: RuntimeBlock | null, ignoreDiscr
         
         'round': value['round'],
         'hash': value['hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'num_transactions': value['num_transactions'],
         'size': value['size'],
         'gas_used': value['gas_used'],
diff --git a/src/vendors/nexus/models/RuntimeBlockListAllOfBlocks.ts b/src/vendors/nexus/models/RuntimeBlockListAllOfBlocks.ts
index d1af6805d0..26f9973625 100644
--- a/src/vendors/nexus/models/RuntimeBlockListAllOfBlocks.ts
+++ b/src/vendors/nexus/models/RuntimeBlockListAllOfBlocks.ts
@@ -33,10 +33,10 @@ export interface RuntimeBlockListAllOfBlocks {
     hash: string;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeBlockListAllOfBlocks
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The number of transactions in the block.
      * @type {number}
@@ -82,7 +82,7 @@ export function RuntimeBlockListAllOfBlocksFromJSONTyped(json: any, ignoreDiscri
         
         'round': json['round'],
         'hash': json['hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'num_transactions': json['num_transactions'],
         'size': json['size'],
         'gas_used': json['gas_used'],
@@ -102,7 +102,7 @@ export function RuntimeBlockListAllOfBlocksToJSONTyped(value?: RuntimeBlockListA
         
         'round': value['round'],
         'hash': value['hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'num_transactions': value['num_transactions'],
         'size': value['size'],
         'gas_used': value['gas_used'],
diff --git a/src/vendors/nexus/models/RuntimeEvent.ts b/src/vendors/nexus/models/RuntimeEvent.ts
index c0b8bc305b..97e83d0483 100644
--- a/src/vendors/nexus/models/RuntimeEvent.ts
+++ b/src/vendors/nexus/models/RuntimeEvent.ts
@@ -74,10 +74,10 @@ export interface RuntimeEvent {
     /**
      * The second-granular consensus time of this event's block.
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeEvent
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The type of the event.
      * @type {RuntimeEventType}
@@ -149,7 +149,7 @@ export function RuntimeEventFromJSONTyped(json: any, ignoreDiscriminator: boolea
         'tx_index': json['tx_index'] == null ? undefined : json['tx_index'],
         'tx_hash': json['tx_hash'] == null ? undefined : json['tx_hash'],
         'eth_tx_hash': json['eth_tx_hash'] == null ? undefined : json['eth_tx_hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'type': RuntimeEventTypeFromJSON(json['type']),
         'body': json['body'],
         'evm_log_name': json['evm_log_name'] == null ? undefined : json['evm_log_name'],
@@ -173,7 +173,7 @@ export function RuntimeEventToJSONTyped(value?: RuntimeEvent | null, ignoreDiscr
         'tx_index': value['tx_index'],
         'tx_hash': value['tx_hash'],
         'eth_tx_hash': value['eth_tx_hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'type': RuntimeEventTypeToJSON(value['type']),
         'body': value['body'],
         'evm_log_name': value['evm_log_name'],
diff --git a/src/vendors/nexus/models/RuntimeEventListAllOfEvents.ts b/src/vendors/nexus/models/RuntimeEventListAllOfEvents.ts
index c335f9f374..ddc1997092 100644
--- a/src/vendors/nexus/models/RuntimeEventListAllOfEvents.ts
+++ b/src/vendors/nexus/models/RuntimeEventListAllOfEvents.ts
@@ -74,10 +74,10 @@ export interface RuntimeEventListAllOfEvents {
     /**
      * The second-granular consensus time of this event's block.
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeEventListAllOfEvents
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The type of the event.
      * @type {RuntimeEventType}
@@ -149,7 +149,7 @@ export function RuntimeEventListAllOfEventsFromJSONTyped(json: any, ignoreDiscri
         'tx_index': json['tx_index'] == null ? undefined : json['tx_index'],
         'tx_hash': json['tx_hash'] == null ? undefined : json['tx_hash'],
         'eth_tx_hash': json['eth_tx_hash'] == null ? undefined : json['eth_tx_hash'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'type': RuntimeEventTypeFromJSON(json['type']),
         'body': json['body'],
         'evm_log_name': json['evm_log_name'] == null ? undefined : json['evm_log_name'],
@@ -173,7 +173,7 @@ export function RuntimeEventListAllOfEventsToJSONTyped(value?: RuntimeEventListA
         'tx_index': value['tx_index'],
         'tx_hash': value['tx_hash'],
         'eth_tx_hash': value['eth_tx_hash'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'type': RuntimeEventTypeToJSON(value['type']),
         'body': value['body'],
         'evm_log_name': value['evm_log_name'],
diff --git a/src/vendors/nexus/models/RuntimeStatus.ts b/src/vendors/nexus/models/RuntimeStatus.ts
index c7e9e54ede..4ad3014e40 100644
--- a/src/vendors/nexus/models/RuntimeStatus.ts
+++ b/src/vendors/nexus/models/RuntimeStatus.ts
@@ -33,10 +33,10 @@ export interface RuntimeStatus {
     latest_block: number;
     /**
      * The RFC 3339 formatted consensus time of when the latest indexed block for this runtime was produced.
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeStatus
      */
-    latest_block_time: Date;
+    latest_block_time: string;
     /**
      * The number of milliseconds since Nexus processed the latest block.
      * @type {number}
@@ -68,7 +68,7 @@ export function RuntimeStatusFromJSONTyped(json: any, ignoreDiscriminator: boole
         
         'active_nodes': json['active_nodes'],
         'latest_block': json['latest_block'],
-        'latest_block_time': (new Date(json['latest_block_time'])),
+        'latest_block_time': json['latest_block_time'],
         'latest_update_age_ms': json['latest_update_age_ms'],
     };
 }
@@ -86,7 +86,7 @@ export function RuntimeStatusToJSONTyped(value?: RuntimeStatus | null, ignoreDis
         
         'active_nodes': value['active_nodes'],
         'latest_block': value['latest_block'],
-        'latest_block_time': ((value['latest_block_time']).toISOString()),
+        'latest_block_time': value['latest_block_time'],
         'latest_update_age_ms': value['latest_update_age_ms'],
     };
 }
diff --git a/src/vendors/nexus/models/RuntimeTransaction.ts b/src/vendors/nexus/models/RuntimeTransaction.ts
index 1c4c82f868..6b8fba7921 100644
--- a/src/vendors/nexus/models/RuntimeTransaction.ts
+++ b/src/vendors/nexus/models/RuntimeTransaction.ts
@@ -56,10 +56,10 @@ export interface RuntimeTransaction {
     index: number;
     /**
      * The second-granular consensus time when this tx's block was proposed.
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeTransaction
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The Oasis cryptographic hash of this transaction's encoding.
      * @type {string}
@@ -301,7 +301,7 @@ export function RuntimeTransactionFromJSONTyped(json: any, ignoreDiscriminator:
         
         'round': json['round'],
         'index': json['index'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'hash': json['hash'],
         'eth_hash': json['eth_hash'] == null ? undefined : json['eth_hash'],
         'sender_0': json['sender_0'],
@@ -343,7 +343,7 @@ export function RuntimeTransactionToJSONTyped(value?: RuntimeTransaction | null,
         
         'round': value['round'],
         'index': value['index'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'hash': value['hash'],
         'eth_hash': value['eth_hash'],
         'sender_0': value['sender_0'],
diff --git a/src/vendors/nexus/models/RuntimeTransactionListAllOfTransactions.ts b/src/vendors/nexus/models/RuntimeTransactionListAllOfTransactions.ts
index 5132853f68..61217b65aa 100644
--- a/src/vendors/nexus/models/RuntimeTransactionListAllOfTransactions.ts
+++ b/src/vendors/nexus/models/RuntimeTransactionListAllOfTransactions.ts
@@ -55,10 +55,10 @@ export interface RuntimeTransactionListAllOfTransactions {
     index: number;
     /**
      * The second-granular consensus time when this tx's block was proposed.
-     * @type {Date}
+     * @type {string}
      * @memberof RuntimeTransactionListAllOfTransactions
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The Oasis cryptographic hash of this transaction's encoding.
      * @type {string}
@@ -300,7 +300,7 @@ export function RuntimeTransactionListAllOfTransactionsFromJSONTyped(json: any,
         
         'round': json['round'],
         'index': json['index'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'hash': json['hash'],
         'eth_hash': json['eth_hash'] == null ? undefined : json['eth_hash'],
         'sender_0': json['sender_0'],
@@ -342,7 +342,7 @@ export function RuntimeTransactionListAllOfTransactionsToJSONTyped(value?: Runti
         
         'round': value['round'],
         'index': value['index'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'hash': value['hash'],
         'eth_hash': value['eth_hash'],
         'sender_0': value['sender_0'],
diff --git a/src/vendors/nexus/models/Status.ts b/src/vendors/nexus/models/Status.ts
index ae3642e92c..0bb4320c92 100644
--- a/src/vendors/nexus/models/Status.ts
+++ b/src/vendors/nexus/models/Status.ts
@@ -35,10 +35,10 @@ export interface Status {
     latest_node_block: number;
     /**
      * The RFC 3339 formatted consensus time of when the most recently indexed block was produced.
-     * @type {Date}
+     * @type {string}
      * @memberof Status
      */
-    latest_block_time: Date;
+    latest_block_time: string;
     /**
      * The number of milliseconds since Nexus processed the latest block.
      * @type {number}
@@ -70,7 +70,7 @@ export function StatusFromJSONTyped(json: any, ignoreDiscriminator: boolean): St
         
         'latest_block': json['latest_block'],
         'latest_node_block': json['latest_node_block'],
-        'latest_block_time': (new Date(json['latest_block_time'])),
+        'latest_block_time': json['latest_block_time'],
         'latest_update_age_ms': json['latest_update_age_ms'],
     };
 }
@@ -88,7 +88,7 @@ export function StatusToJSONTyped(value?: Status | null, ignoreDiscriminator: bo
         
         'latest_block': value['latest_block'],
         'latest_node_block': value['latest_node_block'],
-        'latest_block_time': ((value['latest_block_time']).toISOString()),
+        'latest_block_time': value['latest_block_time'],
         'latest_update_age_ms': value['latest_update_age_ms'],
     };
 }
diff --git a/src/vendors/nexus/models/Transaction.ts b/src/vendors/nexus/models/Transaction.ts
index d60af9ef15..e4dc74c1bf 100644
--- a/src/vendors/nexus/models/Transaction.ts
+++ b/src/vendors/nexus/models/Transaction.ts
@@ -51,10 +51,10 @@ export interface Transaction {
      * The second-granular consensus time of this tx's block, i.e. roughly when the
      * [block was proposed](https://github.com/tendermint/tendermint/blob/v0.34.x/spec/core/data_structures.md#header).
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof Transaction
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The cryptographic hash of this transaction's encoding.
      * @type {string}
@@ -146,7 +146,7 @@ export function TransactionFromJSONTyped(json: any, ignoreDiscriminator: boolean
         
         'block': json['block'],
         'index': json['index'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'hash': json['hash'],
         'sender': json['sender'],
         'nonce': json['nonce'],
@@ -172,7 +172,7 @@ export function TransactionToJSONTyped(value?: Transaction | null, ignoreDiscrim
         
         'block': value['block'],
         'index': value['index'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'hash': value['hash'],
         'sender': value['sender'],
         'nonce': value['nonce'],
diff --git a/src/vendors/nexus/models/TransactionListAllOfTransactions.ts b/src/vendors/nexus/models/TransactionListAllOfTransactions.ts
index 0c97d65efb..0d4666494f 100644
--- a/src/vendors/nexus/models/TransactionListAllOfTransactions.ts
+++ b/src/vendors/nexus/models/TransactionListAllOfTransactions.ts
@@ -50,10 +50,10 @@ export interface TransactionListAllOfTransactions {
      * The second-granular consensus time of this tx's block, i.e. roughly when the
      * [block was proposed](https://github.com/tendermint/tendermint/blob/v0.34.x/spec/core/data_structures.md#header).
      * 
-     * @type {Date}
+     * @type {string}
      * @memberof TransactionListAllOfTransactions
      */
-    timestamp: Date;
+    timestamp: string;
     /**
      * The cryptographic hash of this transaction's encoding.
      * @type {string}
@@ -145,7 +145,7 @@ export function TransactionListAllOfTransactionsFromJSONTyped(json: any, ignoreD
         
         'block': json['block'],
         'index': json['index'],
-        'timestamp': (new Date(json['timestamp'])),
+        'timestamp': json['timestamp'],
         'hash': json['hash'],
         'sender': json['sender'],
         'nonce': json['nonce'],
@@ -171,7 +171,7 @@ export function TransactionListAllOfTransactionsToJSONTyped(value?: TransactionL
         
         'block': value['block'],
         'index': value['index'],
-        'timestamp': ((value['timestamp']).toISOString()),
+        'timestamp': value['timestamp'],
         'hash': value['hash'],
         'sender': value['sender'],
         'nonce': value['nonce'],
diff --git a/src/vendors/nexus/models/TxVolume.ts b/src/vendors/nexus/models/TxVolume.ts
index 2cbeb7943f..7e078c975c 100644
--- a/src/vendors/nexus/models/TxVolume.ts
+++ b/src/vendors/nexus/models/TxVolume.ts
@@ -21,10 +21,10 @@ import { mapValues } from '../runtime';
 export interface TxVolume {
     /**
      * The end timestamp for this daily transaction volume measurement.
-     * @type {Date}
+     * @type {string}
      * @memberof TxVolume
      */
-    window_end: Date;
+    window_end: string;
     /**
      * The transaction volume for this window.
      * @type {number}
@@ -52,7 +52,7 @@ export function TxVolumeFromJSONTyped(json: any, ignoreDiscriminator: boolean):
     }
     return {
         
-        'window_end': (new Date(json['window_end'])),
+        'window_end': json['window_end'],
         'tx_volume': json['tx_volume'],
     };
 }
@@ -68,7 +68,7 @@ export function TxVolumeToJSONTyped(value?: TxVolume | null, ignoreDiscriminator
 
     return {
         
-        'window_end': ((value['window_end']).toISOString()),
+        'window_end': value['window_end'],
         'tx_volume': value['tx_volume'],
     };
 }
diff --git a/src/vendors/nexus/models/Validator.ts b/src/vendors/nexus/models/Validator.ts
index 096578c4ed..fe52f3cc54 100644
--- a/src/vendors/nexus/models/Validator.ts
+++ b/src/vendors/nexus/models/Validator.ts
@@ -86,10 +86,10 @@ export interface Validator {
     active: boolean;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof Validator
      */
-    start_date: Date;
+    start_date: string;
     /**
      * The rank of the validator, determined by voting power.
      * @type {number}
@@ -156,7 +156,7 @@ export function ValidatorFromJSONTyped(json: any, ignoreDiscriminator: boolean):
         'voting_power': json['voting_power'],
         'voting_power_cumulative': json['voting_power_cumulative'] == null ? undefined : json['voting_power_cumulative'],
         'active': json['active'],
-        'start_date': (new Date(json['start_date'])),
+        'start_date': json['start_date'],
         'rank': json['rank'],
         'in_validator_set': json['in_validator_set'],
         'media': json['media'] == null ? undefined : ValidatorMediaFromJSON(json['media']),
@@ -183,7 +183,7 @@ export function ValidatorToJSONTyped(value?: Validator | null, ignoreDiscriminat
         'voting_power': value['voting_power'],
         'voting_power_cumulative': value['voting_power_cumulative'],
         'active': value['active'],
-        'start_date': ((value['start_date']).toISOString()),
+        'start_date': value['start_date'],
         'rank': value['rank'],
         'in_validator_set': value['in_validator_set'],
         'media': ValidatorMediaToJSON(value['media']),
diff --git a/src/vendors/nexus/models/ValidatorListAllOfValidators.ts b/src/vendors/nexus/models/ValidatorListAllOfValidators.ts
index e0ec5299aa..75f9b572f8 100644
--- a/src/vendors/nexus/models/ValidatorListAllOfValidators.ts
+++ b/src/vendors/nexus/models/ValidatorListAllOfValidators.ts
@@ -85,10 +85,10 @@ export interface ValidatorListAllOfValidators {
     active: boolean;
     /**
      * The second-granular consensus time.
-     * @type {Date}
+     * @type {string}
      * @memberof ValidatorListAllOfValidators
      */
-    start_date: Date;
+    start_date: string;
     /**
      * The rank of the validator, determined by voting power.
      * @type {number}
@@ -155,7 +155,7 @@ export function ValidatorListAllOfValidatorsFromJSONTyped(json: any, ignoreDiscr
         'voting_power': json['voting_power'],
         'voting_power_cumulative': json['voting_power_cumulative'] == null ? undefined : json['voting_power_cumulative'],
         'active': json['active'],
-        'start_date': (new Date(json['start_date'])),
+        'start_date': json['start_date'],
         'rank': json['rank'],
         'in_validator_set': json['in_validator_set'],
         'media': json['media'] == null ? undefined : ValidatorMediaFromJSON(json['media']),
@@ -182,7 +182,7 @@ export function ValidatorListAllOfValidatorsToJSONTyped(value?: ValidatorListAll
         'voting_power': value['voting_power'],
         'voting_power_cumulative': value['voting_power_cumulative'],
         'active': value['active'],
-        'start_date': ((value['start_date']).toISOString()),
+        'start_date': value['start_date'],
         'rank': value['rank'],
         'in_validator_set': value['in_validator_set'],
         'media': ValidatorMediaToJSON(value['media']),