diff --git a/src/common/caches/arns-remote-cache.ts b/src/common/caches/arns-remote-cache.ts
index f74fe625..ae5cead8 100644
--- a/src/common/caches/arns-remote-cache.ts
+++ b/src/common/caches/arns-remote-cache.ts
@@ -21,6 +21,7 @@ import {
   ArNSStateResponse,
   Gateway,
   HTTPClient,
+  ReadInteractionFilters,
 } from '../../types/index.js';
 import { NotFound } from '../error.js';
 import { AxiosHTTPService } from '../http.js';
@@ -58,32 +59,44 @@ export class ArNSRemoteCache implements ArIOContract {
     }
   }
 
-  async getGateway({ address }: { address: string }) {
+  async getGateway({
+    address,
+    blockHeight,
+    sortKey,
+  }: { address: string } & ReadInteractionFilters) {
     this.logger.debug(`Fetching gateway ${address}`);
-    const gateway = await this.getGateways().then((gateways) => {
-      if (gateways[address] === undefined) {
-        throw new NotFound(`Gateway not found: ${address}`);
-      }
-      return gateways[address];
-    });
+    const gateway = await this.getGateways({ blockHeight, sortKey }).then(
+      (gateways) => {
+        if (gateways[address] === undefined) {
+          throw new NotFound(`Gateway not found: ${address}`);
+        }
+        return gateways[address];
+      },
+    );
     return gateway;
   }
 
-  async getGateways() {
+  async getGateways({ blockHeight, sortKey }: ReadInteractionFilters = {}) {
     this.logger.debug(`Fetching gateways`);
     const { result } = await this.http.get<
       ArNSStateResponse<'result', Record<string, Gateway>>
     >({
       endpoint: `/contract/${this.contractTxId.toString()}/read/gateways`,
+      params: { blockHeight, sortKey },
     });
     return result;
   }
 
-  async getBalance({ address }: { address: string }) {
+  async getBalance({
+    address,
+    blockHeight,
+    sortKey,
+  }: { address: string } & ReadInteractionFilters) {
     this.logger.debug(`Fetching balance for ${address}`);
     const { result } = await this.http
       .get<ArNSStateResponse<'result', number>>({
         endpoint: `/contract/${this.contractTxId.toString()}/state/balances/${address}`,
+        params: { blockHeight, sortKey },
       })
       .catch((e) => {
         if (e instanceof NotFound) {
@@ -94,32 +107,42 @@ export class ArNSRemoteCache implements ArIOContract {
     return result;
   }
 
-  async getBalances() {
+  async getBalances({ blockHeight, sortKey }: ReadInteractionFilters = {}) {
     this.logger.debug(`Fetching balances`);
     const { result } = await this.http.get<
       ArNSStateResponse<'result', Record<string, number>>
     >({
       endpoint: `/contract/${this.contractTxId.toString()}/state/balances`,
+      params: { blockHeight, sortKey },
     });
     return result;
   }
 
-  async getRecord({ domain }: { domain: string }): Promise<ArNSNameData> {
+  async getRecord({
+    domain,
+    blockHeight,
+    sortKey,
+  }: { domain: string } & ReadInteractionFilters): Promise<ArNSNameData> {
     this.logger.debug(`Fetching record for ${domain}`);
     const { result } = await this.http.get<
       ArNSStateResponse<'result', ArNSNameData>
     >({
       endpoint: `/contract/${this.contractTxId.toString()}/state/records/${domain}`,
+      params: { blockHeight, sortKey },
     });
     return result;
   }
 
-  async getRecords(): Promise<Record<string, ArNSNameData>> {
+  async getRecords({
+    blockHeight,
+    sortKey,
+  }: ReadInteractionFilters = {}): Promise<Record<string, ArNSNameData>> {
     this.logger.debug(`Fetching all records`);
     const { result } = await this.http.get<
       ArNSStateResponse<'result', Record<string, ArNSNameData>>
     >({
       endpoint: `/contract/${this.contractTxId.toString()}/state/records`,
+      params: { blockHeight, sortKey },
     });
     return result;
   }
diff --git a/src/common/http.ts b/src/common/http.ts
index d9751152..ebbf4b6c 100644
--- a/src/common/http.ts
+++ b/src/common/http.ts
@@ -39,16 +39,19 @@ export class AxiosHTTPService implements HTTPClient {
     signal,
     allowedStatuses = [200, 202],
     headers,
+    params,
   }: {
     endpoint: string;
     signal?: AbortSignal;
     allowedStatuses?: number[];
     headers?: Record<string, string>;
+    params?: Record<string, any>; // eslint-disable-line @typescript-eslint/no-explicit-any
   }): Promise<T> {
     this.logger.debug(`Get request to endpoint: ${endpoint}`);
     const { status, statusText, data } = await this.axios.get<T>(endpoint, {
       headers,
       signal,
+      params,
     });
 
     if (!allowedStatuses.includes(status)) {
diff --git a/src/constants.ts b/src/constants.ts
index 3e49f6c0..54bfdf75 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -16,6 +16,10 @@
  */
 
 export const ARWEAVE_TX_REGEX = new RegExp('^[a-zA-Z0-9_-]{43}$');
+// sortkey: padded blockheight to 12, JS timestamp, hash of transactionID + block hash. Timestamp only applicable to L2 and normally is all zeros.
+export const SORT_KEY_REGEX = new RegExp(
+  '^[0-9]{12},[0-9]{13},[a-fA-F0-9]{64}$',
+);
 export const ARNS_TESTNET_REGISTRY_TX =
   process.env.ARNS_REGISTRY_TX ?? 'bLAgYxAdX2Ry-nt6aH2ixgvJXbpsEYm28NgJgyqfs-U';
 
diff --git a/src/types/common.ts b/src/types/common.ts
index 76ec92b2..7621a151 100644
--- a/src/types/common.ts
+++ b/src/types/common.ts
@@ -16,13 +16,29 @@
  */
 import { ArNSNameData, Gateway } from './contract-state.js';
 
+export type EvaluationFilters = {
+  blockHeight?: number;
+  sortKey?: string; // should be tested against regex for validity
+};
+
+// TODO: extend type with other read filters (e.g max eval time)
+export type ReadInteractionFilters = EvaluationFilters;
+
 // TODO: extend with additional methods
 export interface ArIOContract {
-  getGateway({ address }: { address: WalletAddress }): Promise<Gateway>;
+  getGateway(
+    props: { address: WalletAddress } & ReadInteractionFilters,
+  ): Promise<Gateway>;
   getGateways(): Promise<Record<WalletAddress, Gateway>>;
-  getBalance({ address }: { address: WalletAddress }): Promise<number>;
-  getBalances(): Promise<Record<WalletAddress, number>>;
-  getRecord({ domain }: { domain: string }): Promise<ArNSNameData>;
+  getBalance(
+    props: { address: WalletAddress } & ReadInteractionFilters,
+  ): Promise<number>;
+  getBalances(
+    props: ReadInteractionFilters,
+  ): Promise<Record<WalletAddress, number>>;
+  getRecord(
+    props: { domain: string } & ReadInteractionFilters,
+  ): Promise<ArNSNameData>;
   getRecords(): Promise<Record<string, ArNSNameData>>;
 }
 
@@ -45,11 +61,13 @@ export interface HTTPClient {
     signal,
     headers,
     allowedStatuses,
+    params,
   }: {
     endpoint: string;
     signal?: AbortSignal;
     headers?: Record<string, string>;
     allowedStatuses?: number[];
+    params?: Record<string, any>; // eslint-disable-line @typescript-eslint/no-explicit-any
   }): Promise<T>;
   // TODO: add post method
   // post<T>({
diff --git a/tests/arns-remote-cache.test.ts b/tests/arns-remote-cache.test.ts
deleted file mode 100644
index 610be2a8..00000000
--- a/tests/arns-remote-cache.test.ts
+++ /dev/null
@@ -1,57 +0,0 @@
-import { ArNSRemoteCache } from '../src/common/caches/arns-remote-cache.js';
-import { NotFound } from '../src/common/error.js';
-
-describe('ArNSRemoteCache', () => {
-  const remoteCacheProvider = new ArNSRemoteCache({});
-
-  // gateway tests
-  it('should be able to fetch gateways', async () => {
-    const gateways = await remoteCacheProvider.getGateways();
-    expect(gateways).toBeDefined();
-  });
-
-  it('should should throw NotFound error on non existent gateway', async () => {
-    const error = await remoteCacheProvider
-      .getGateway({
-        address: 'some-address',
-      })
-      .catch((e) => e);
-    expect(error).toBeInstanceOf(NotFound);
-  });
-
-  // balance tests
-  it('should fetch a balance', async () => {
-    const balance = await remoteCacheProvider.getBalance({
-      address: 'some-address',
-    });
-    expect(balance).toEqual(0);
-  });
-
-  it('should fetch all balances', async () => {
-    const balances = await remoteCacheProvider.getBalances();
-    expect(balances).toBeDefined();
-  });
-
-  // records tests
-  it('should fetch a record', async () => {
-    const record = await remoteCacheProvider.getRecord({
-      domain: 'ar-io',
-    });
-    expect(record).toBeDefined();
-  });
-
-  it('should throw NotFound error on non existent record', async () => {
-    const error = await remoteCacheProvider
-      .getRecord({
-        domain: 'some-domain',
-      })
-      .catch((e) => e);
-    expect(error).toBeInstanceOf(NotFound);
-  });
-
-  it('should fetch all records', async () => {
-    const records = await remoteCacheProvider.getRecords();
-
-    expect(records).toBeDefined();
-  });
-});
diff --git a/tests/arns-remote-cache/balances.test.ts b/tests/arns-remote-cache/balances.test.ts
new file mode 100644
index 00000000..2c311b11
--- /dev/null
+++ b/tests/arns-remote-cache/balances.test.ts
@@ -0,0 +1,73 @@
+import { ArNSRemoteCache } from '../../src/common/caches/arns-remote-cache.js';
+
+describe('ArNSRemoteCache ~ BALANCES', () => {
+  const remoteCacheProvider = new ArNSRemoteCache({});
+
+  // balance tests
+  it('should fetch a balance', async () => {
+    const balance = await remoteCacheProvider.getBalance({
+      address: 'some-address',
+    });
+    expect(balance).toEqual(0);
+  });
+
+  it('should fetch all balances', async () => {
+    const balances = await remoteCacheProvider.getBalances();
+    expect(balances).toBeDefined();
+  });
+
+  it('should return balance at a given block height', async () => {
+    const address = '7waR8v4STuwPnTck1zFVkQqJh5K9q9Zik4Y5-5dV7nk';
+    const currentBalance = 2_363_250;
+    const transferAmount = 1000;
+    const transferBlockHeight = 1305612;
+    const balance = await remoteCacheProvider.getBalance({
+      address,
+      blockHeight: transferBlockHeight,
+    });
+    expect(balance).toEqual(currentBalance);
+
+    const previousBalance = await remoteCacheProvider.getBalance({
+      address,
+      blockHeight: transferBlockHeight - 1,
+    });
+    expect(previousBalance).toEqual(currentBalance + transferAmount);
+  });
+
+  it('should return balance at a given sort key', async () => {
+    const address = '7waR8v4STuwPnTck1zFVkQqJh5K9q9Zik4Y5-5dV7nk';
+    const balanceSortKey =
+      '000001305612,0000000000000,6806919fa401ad27fd86db576ef578857bd22a11d6905324d643368069146d4e';
+    const balance = await remoteCacheProvider.getBalance({
+      address,
+      sortKey: balanceSortKey,
+    });
+    expect(balance).toEqual(2363250);
+  });
+
+  it('should return balances at a given block height', async () => {
+    const address = '7waR8v4STuwPnTck1zFVkQqJh5K9q9Zik4Y5-5dV7nk';
+    const currentBalance = 2363250;
+    const transferAmount = 1000;
+    const transferBlockHeight = 1305612;
+    const balances = await remoteCacheProvider.getBalances({
+      blockHeight: transferBlockHeight,
+    });
+    expect(balances[address]).toEqual(currentBalance);
+
+    const previousBalances = await remoteCacheProvider.getBalances({
+      blockHeight: transferBlockHeight - 1,
+    });
+    expect(previousBalances[address]).toEqual(currentBalance + transferAmount);
+  });
+
+  it('should return balances at a given sort key', async () => {
+    const address = '7waR8v4STuwPnTck1zFVkQqJh5K9q9Zik4Y5-5dV7nk';
+    const balanceSortKey =
+      '000001305612,0000000000000,6806919fa401ad27fd86db576ef578857bd22a11d6905324d643368069146d4e';
+    const balances = await remoteCacheProvider.getBalances({
+      sortKey: balanceSortKey,
+    });
+    expect(balances[address]).toEqual(2363250);
+  });
+});
diff --git a/tests/arns-remote-cache/gateways.test.ts b/tests/arns-remote-cache/gateways.test.ts
new file mode 100644
index 00000000..eff2afc6
--- /dev/null
+++ b/tests/arns-remote-cache/gateways.test.ts
@@ -0,0 +1,68 @@
+import { ArNSRemoteCache } from '../../src/common/caches/arns-remote-cache.js';
+import { NotFound } from '../../src/common/error.js';
+
+describe('ArNSRemoteCache ~ GATEWAYS', () => {
+  const remoteCacheProvider = new ArNSRemoteCache({});
+
+  // gateway tests
+  it('should be able to fetch gateways', async () => {
+    const gateways = await remoteCacheProvider.getGateways();
+    expect(gateways).toBeDefined();
+  });
+
+  it('should should throw NotFound error on non existent gateway', async () => {
+    const error = await remoteCacheProvider
+      .getGateway({
+        address: 'some-address',
+      })
+      .catch((e) => e);
+    expect(error).toBeInstanceOf(NotFound);
+  });
+
+  it('should return gateway state at a given block height', async () => {
+    const blockHeight = 1372179;
+    const address = 'usOg4jFzqinXK_ExoU5NijjEyggNA255998LNiM8Vtc';
+    const gateway = await remoteCacheProvider.getGateway({
+      address,
+      blockHeight,
+    });
+    expect(gateway).toBeDefined();
+
+    const previousGatewayState = await remoteCacheProvider
+      .getGateway({
+        address,
+        blockHeight: blockHeight - 1,
+      })
+      .catch((e) => e);
+    expect(previousGatewayState).toBeInstanceOf(NotFound);
+  });
+
+  it('should return gateway state at a given sort key', async () => {
+    const sortKey =
+      '000001372179,0000000000000,1babf113056ce4d158c06f17ac8a1d0bff603dd6218dad98381d8e6d295f50a5';
+    const address = 'usOg4jFzqinXK_ExoU5NijjEyggNA255998LNiM8Vtc';
+    const gateway = await remoteCacheProvider.getGateway({
+      address,
+      sortKey,
+    });
+    expect(gateway).toBeDefined();
+  });
+
+  it('should return gateways state at a given block height', async () => {
+    const blockHeight = 1372179;
+    const address = 'usOg4jFzqinXK_ExoU5NijjEyggNA255998LNiM8Vtc';
+    const gateways = await remoteCacheProvider.getGateways({
+      blockHeight,
+    });
+    expect(gateways[address]).toBeDefined();
+  });
+
+  it('should return gateways state at a given sort key', async () => {
+    const address = 'usOg4jFzqinXK_ExoU5NijjEyggNA255998LNiM8Vtc';
+    const gateways = await remoteCacheProvider.getGateways({
+      sortKey:
+        '000001372179,0000000000000,1babf113056ce4d158c06f17ac8a1d0bff603dd6218dad98381d8e6d295f50a5',
+    });
+    expect(gateways[address]).toBeDefined();
+  });
+});
diff --git a/tests/arns-remote-cache/records.test.ts b/tests/arns-remote-cache/records.test.ts
new file mode 100644
index 00000000..56fa5d3a
--- /dev/null
+++ b/tests/arns-remote-cache/records.test.ts
@@ -0,0 +1,78 @@
+import { ArNSRemoteCache } from '../../src/common/caches/arns-remote-cache.js';
+import { NotFound } from '../../src/common/error.js';
+
+describe('ArNSRemoteCache ~ RECORDS', () => {
+  const remoteCacheProvider = new ArNSRemoteCache({});
+  // records tests
+  it('should fetch a record', async () => {
+    const record = await remoteCacheProvider.getRecord({
+      domain: 'ar-io',
+    });
+    expect(record).toBeDefined();
+  });
+
+  it('should throw NotFound error on non existent record', async () => {
+    const error = await remoteCacheProvider
+      .getRecord({
+        domain: 'some-domain',
+      })
+      .catch((e) => e);
+    expect(error).toBeInstanceOf(NotFound);
+  });
+
+  it('should fetch all records', async () => {
+    const records = await remoteCacheProvider.getRecords();
+
+    expect(records).toBeDefined();
+  });
+
+  it('should return record at a given block height', async () => {
+    const domain = 'raiman';
+    const registrationBlockHeight = 1372652;
+    const currentRecord = await remoteCacheProvider.getRecord({
+      domain,
+      blockHeight: registrationBlockHeight,
+    });
+    expect(currentRecord).toBeDefined();
+
+    const error = await remoteCacheProvider
+      .getRecord({ domain, blockHeight: registrationBlockHeight - 1 })
+      .catch((e) => e);
+    expect(error).toBeInstanceOf(NotFound);
+  });
+
+  it('should return record at a given sort key', async () => {
+    const domain = 'raiman';
+    const registrationSortKey =
+      '000001372652,0000000000000,7c697ffe5ffdad0f554dbd4fe8aa4ac997ea58d34ff9bf54178ab894d47e41e8';
+    const record = await remoteCacheProvider.getRecord({
+      domain,
+      sortKey: registrationSortKey,
+    });
+    expect(record).toBeDefined();
+  });
+
+  it('should return records at a given block height', async () => {
+    const domain = 'raiman';
+    const registrationBlockHeight = 1372652;
+    const currentRecords = await remoteCacheProvider.getRecords({
+      blockHeight: registrationBlockHeight,
+    });
+    expect(currentRecords[domain]).toBeDefined();
+
+    const previousRecords = await remoteCacheProvider.getRecords({
+      blockHeight: registrationBlockHeight - 1,
+    });
+    expect(previousRecords[domain]).not.toBeDefined();
+  });
+
+  it('should return records at a given sort key', async () => {
+    const domain = 'raiman';
+    const registrationSortKey =
+      '000001372652,0000000000000,7c697ffe5ffdad0f554dbd4fe8aa4ac997ea58d34ff9bf54178ab894d47e41e8';
+    const records = await remoteCacheProvider.getRecords({
+      sortKey: registrationSortKey,
+    });
+    expect(records[domain]).toBeDefined();
+  });
+});