diff --git a/src/decorators/publicActionsParentChain.ts b/src/decorators/publicActionsParentChain.ts
new file mode 100644
index 00000000..b4995147
--- /dev/null
+++ b/src/decorators/publicActionsParentChain.ts
@@ -0,0 +1,161 @@
+import { Address, Chain, PublicClient, Transport } from 'viem';
+
+// Getters
+import {
+  getMaxTimeVariation,
+  GetMaxTimeVariationParameters,
+  GetMaxTimeVariationReturnType,
+} from '../actions/getMaxTimeVariation';
+import {
+  isBatchPoster,
+  IsBatchPosterParameters,
+  IsBatchPosterReturnType,
+} from '../actions/isBatchPoster';
+import {
+  isValidKeysetHash,
+  IsValidKeysetHashParameters,
+  IsValidKeysetHashReturnType,
+} from '../actions/isValidKeysetHash';
+// Setters
+import {
+  invalidateKeysetHash,
+  InvalidateKeysetHashParameters,
+  InvalidateKeysetHashReturnType,
+} from '../actions/invalidateKeysetHash';
+import {
+  enableBatchPoster,
+  disableBatchPoster,
+  SetIsBatchPosterParameters,
+  SetIsBatchPosterReturnType,
+} from '../actions/setIsbatchPoster';
+import { setKeyset, SetKeysetParameters, SetKeysetReturnType } from '../actions/setKeyset';
+import {
+  setMaxTimeVariation,
+  SetMaxTimeVariationParameters,
+  SetMaxTimeVariationReturnType,
+} from '../actions/setMaxTimeVariation';
+
+type Params = { sequencerInbox: Address } | void;
+
+export type PublicActionsParentChain<Curried extends boolean> = {
+  // Getters
+  getMaxTimeVariation: (
+    parameters: GetMaxTimeVariationParameters<Curried>,
+  ) => Promise<GetMaxTimeVariationReturnType>;
+  isBatchPoster: (parameters: IsBatchPosterParameters<Curried>) => Promise<IsBatchPosterReturnType>;
+  isValidKeysetHash: (
+    parameters: IsValidKeysetHashParameters<Curried>,
+  ) => Promise<IsValidKeysetHashReturnType>;
+  // Setters
+  invalidateKeysetHash: (
+    parameters: InvalidateKeysetHashParameters<Curried>,
+  ) => Promise<InvalidateKeysetHashReturnType>;
+  enableBatchPoster: (
+    parameters: SetIsBatchPosterParameters<Curried>,
+  ) => Promise<SetIsBatchPosterReturnType>;
+  disableBatchPoster: (
+    parameters: SetIsBatchPosterParameters<Curried>,
+  ) => Promise<SetIsBatchPosterReturnType>;
+  setKeyset: (parameters: SetKeysetParameters<Curried>) => Promise<SetKeysetReturnType>;
+  setMaxTimeVariation: (
+    parameters: SetMaxTimeVariationParameters<Curried>,
+  ) => Promise<SetMaxTimeVariationReturnType>;
+};
+
+/**
+ * Simplifies the overall typing with curried sequencerInbox address
+ *
+ * By design, sequencerInbox is either passed initially from the decorator, or on each call
+ *
+ * Address passed through each call has the priority over the address passed to the decorator, for override
+ */
+
+function getSequencerInboxAddress(
+  params: Params,
+  args: { sequencerInbox?: Address } | void,
+): Address {
+  return ((args && args.sequencerInbox) ?? (params && params.sequencerInbox)) as unknown as Address;
+}
+
+/**
+ * Public actions for parent chain
+ *
+ * @example
+ * import { createPublicClient, http } from 'viem'
+ * import { publicActionsParentChain } from '@arbitrum/orbit-sdk'
+ * import { arbitrum } from 'viem/chains'
+ *
+ * export const publicClientParentChain = createPublicClient({
+ *   chain: arbitrum,
+ *   transport: http(),
+ * }).extend(publicActionsParentChain({
+ *   sequencerInbox: '0x1c479675ad559DC151F6Ec7ed3FbF8ceE79582B6'
+ * }))
+ *
+ * const { delayBlocks, futureBlocks, delaySeconds, futureSeconds } = await publicClientParentChain.getMaxTimeVariation()
+ */
+export function publicActionsParentChain<
+  TParams extends Params = void,
+  TTransport extends Transport = Transport,
+  TChain extends Chain | undefined = Chain | undefined,
+>(params: void): (client: PublicClient<TTransport, TChain>) => PublicActionsParentChain<false>;
+export function publicActionsParentChain<
+  TParams extends Params = { sequencerInbox: Address },
+  TTransport extends Transport = Transport,
+  TChain extends Chain | undefined = Chain | undefined,
+>(params: TParams): (client: PublicClient<TTransport, TChain>) => PublicActionsParentChain<true>;
+export function publicActionsParentChain<
+  TParams extends Params,
+  TTransport extends Transport = Transport,
+  TChain extends Chain | undefined = Chain | undefined,
+>(params: TParams) {
+  return (client: PublicClient<TTransport, TChain>) => {
+    // sequencerInbox is curried, sequencerInbox param is optional.
+    return {
+      // Getters
+      getMaxTimeVariation: (args) =>
+        getMaxTimeVariation(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      isBatchPoster: (args) =>
+        isBatchPoster(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      isValidKeysetHash: (args) =>
+        isValidKeysetHash(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      // Setters
+      invalidateKeysetHash: (args) =>
+        invalidateKeysetHash(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      enableBatchPoster: (args) =>
+        enableBatchPoster(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      disableBatchPoster: (args) =>
+        disableBatchPoster(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      setKeyset: (args) =>
+        setKeyset(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+      setMaxTimeVariation: (args) =>
+        setMaxTimeVariation(client, {
+          ...args,
+          sequencerInbox: getSequencerInboxAddress(params, args),
+        }),
+    } satisfies PublicActionsParentChain<
+      TParams extends { sequencerInbox: Address } ? true : false
+    >;
+  };
+}
diff --git a/src/decorators/publicActionsParentChain.unit.test.ts b/src/decorators/publicActionsParentChain.unit.test.ts
new file mode 100644
index 00000000..d65bfcfd
--- /dev/null
+++ b/src/decorators/publicActionsParentChain.unit.test.ts
@@ -0,0 +1,45 @@
+import { it, expect, describe } from 'vitest';
+
+import { createPublicClient, http, padHex, zeroAddress } from 'viem';
+import { mainnet } from '../chains';
+import { publicActionsParentChain } from './publicActionsParentChain';
+
+const arbOneSequencerInbox = '0x1c479675ad559DC151F6Ec7ed3FbF8ceE79582B6';
+
+const client = createPublicClient({
+  chain: mainnet,
+  transport: http(),
+}).extend(publicActionsParentChain({ sequencerInbox: arbOneSequencerInbox }));
+
+describe('Getters', () => {
+  it('[maxTimeVariation] Should return max time variation', async () => {
+    const maxTimeVariation = await client.getMaxTimeVariation();
+    expect(maxTimeVariation).toEqual({
+      delayBlocks: 5760n,
+      futureBlocks: 64n,
+      delaySeconds: 86400n,
+      futureSeconds: 768n,
+    });
+  });
+
+  it('[isBatchPoster] Should return if an address is a batch poster', async () => {
+    const isZeroAddressBatchPoster = await client.isBatchPoster({
+      batchPoster: zeroAddress,
+    });
+    expect(isZeroAddressBatchPoster).toBeFalsy();
+  });
+
+  it('[isValidKeysetHash] Should return if a keysetHash is a valid one', async () => {
+    const isEmptyHashValidKeysetHash = await client.isValidKeysetHash({
+      keysetHash: padHex('0x'),
+    });
+    expect(isEmptyHashValidKeysetHash).toBeFalsy();
+
+    // Test on Nova
+    const isAValidKeysetHashOnNova = await client.isValidKeysetHash({
+      keysetHash: '0x01191accc7ad5a8020e6c6d122984540e9fc48d0457bda63e0a32c8c31994f4a',
+      sequencerInbox: '0x211e1c4c7f1bf5351ac850ed10fd68cffcf6c21b',
+    });
+    expect(isAValidKeysetHashOnNova).toBeTruthy();
+  });
+});