diff --git a/packages/assets-controllers/CHANGELOG.md b/packages/assets-controllers/CHANGELOG.md
index d582269c0e..fa72a89e04 100644
--- a/packages/assets-controllers/CHANGELOG.md
+++ b/packages/assets-controllers/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `ARC` support ([#9006](https://github.com/MetaMask/core/pull/9006))
+  - Add `ARC` in `SupportedTokenDetectionNetworks`
+  - Add `ARC` in `SUPPORTED_NETWORKS_ACCOUNTS_API_V4`
+
 ### Changed
 
 - Bump `@metamask/network-enablement-controller` from `^5.2.0` to `^5.3.0` ([#9003](https://github.com/MetaMask/core/pull/9003))
diff --git a/packages/assets-controllers/src/assetsUtil.ts b/packages/assets-controllers/src/assetsUtil.ts
index cf3e77cc6c..b1b327e13e 100644
--- a/packages/assets-controllers/src/assetsUtil.ts
+++ b/packages/assets-controllers/src/assetsUtil.ts
@@ -160,6 +160,7 @@ export enum SupportedTokenDetectionNetworks {
   Sei = '0x531', // decimal: 1329
   MonadMainnet = '0x8f', // decimal: 143
   Hyperevm = '0x3e7', // decimal: 999
+  Arc = '0x13b2', // decimal: 5042
 }
 
 /**
diff --git a/packages/assets-controllers/src/constants.ts b/packages/assets-controllers/src/constants.ts
index 5ddb82dd5f..4fd82ee38c 100644
--- a/packages/assets-controllers/src/constants.ts
+++ b/packages/assets-controllers/src/constants.ts
@@ -20,6 +20,7 @@ export const SUPPORTED_NETWORKS_ACCOUNTS_API_V4 = [
   '0x531', // 1329
   '0x8f', // 143
   '0x3e7', // 999 HyperEVM
+  '0x13b2', // 5042 Arc
 ];
 
 /** Lowercase ERC-20 address for MetaMask USD (mUSD), same contract on listed chains. */
diff --git a/packages/transaction-controller/CHANGELOG.md b/packages/transaction-controller/CHANGELOG.md
index fd3aeac4a5..c7ab4fc806 100644
--- a/packages/transaction-controller/CHANGELOG.md
+++ b/packages/transaction-controller/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `ARC` network support ([#9006](https://github.com/MetaMask/core/pull/9006))
+  - Add account address relationship API support
+  - Add incoming transactions API support
+
 ## [66.0.1]
 
 ### Changed
diff --git a/packages/transaction-controller/src/api/accounts-api.ts b/packages/transaction-controller/src/api/accounts-api.ts
index 84fd67cd8b..ad56900117 100644
--- a/packages/transaction-controller/src/api/accounts-api.ts
+++ b/packages/transaction-controller/src/api/accounts-api.ts
@@ -110,6 +110,7 @@ const SUPPORTED_CHAIN_IDS_FOR_RELATIONSHIP_API = [
   1329, // Sei
   143, // Monad
   999, // HyperEVM
+  5042, // Arc
 ];
 
 const log = createModuleLogger(projectLogger, 'accounts-api');
diff --git a/packages/transaction-controller/src/constants.ts b/packages/transaction-controller/src/constants.ts
index ab44317e6d..d9bfb1cf33 100644
--- a/packages/transaction-controller/src/constants.ts
+++ b/packages/transaction-controller/src/constants.ts
@@ -1,6 +1,7 @@
 export const CHAIN_IDS = {
   MAINNET: '0x1',
   GOERLI: '0x5',
+  ARC: '0x13b2',
   BASE: '0x2105',
   BASE_TESTNET: '0x14a33',
   BSC: '0x38',
diff --git a/packages/transaction-controller/src/utils/swaps.ts b/packages/transaction-controller/src/utils/swaps.ts
index d6c8755b97..a72ada90d4 100644
--- a/packages/transaction-controller/src/utils/swaps.ts
+++ b/packages/transaction-controller/src/utils/swaps.ts
@@ -112,6 +112,12 @@ const HYPEREVM_SWAPS_TOKEN_OBJECT: SwapsTokenObject = {
   decimals: 18,
 } as const;
 
+const ARC_SWAPS_TOKEN_OBJECT: SwapsTokenObject = {
+  name: 'USDC',
+  address: DEFAULT_TOKEN_ADDRESS,
+  decimals: 18,
+} as const;
+
 export const SWAPS_CHAINID_DEFAULT_TOKEN_MAP = {
   [CHAIN_IDS.MAINNET]: ETH_SWAPS_TOKEN_OBJECT,
   [SWAPS_TESTNET_CHAIN_ID]: TEST_ETH_SWAPS_TOKEN_OBJECT,
@@ -125,6 +131,7 @@ export const SWAPS_CHAINID_DEFAULT_TOKEN_MAP = {
   [CHAIN_IDS.SEI]: SEI_SWAPS_TOKEN_OBJECT,
   [CHAIN_IDS.MONAD]: MONAD_SWAPS_TOKEN_OBJECT,
   [CHAIN_IDS.HYPEREVM]: HYPEREVM_SWAPS_TOKEN_OBJECT,
+  [CHAIN_IDS.ARC]: ARC_SWAPS_TOKEN_OBJECT,
 } as const;
 
 export const SWAP_TRANSACTION_TYPES = [