diff --git a/.changeset/wild-planets-crash.md b/.changeset/wild-planets-crash.md
new file mode 100644
index 0000000000..35c98d1ed0
--- /dev/null
+++ b/.changeset/wild-planets-crash.md
@@ -0,0 +1,5 @@
+---
+'@api3/airnode-protocol': patch
+---
+
+Update airnode-protocol scripts with @api3/chains v3.0.0 changes
diff --git a/packages/airnode-protocol/example.env b/packages/airnode-protocol/example.env
index e1d2e327c1..ec3c77ab62 100644
--- a/packages/airnode-protocol/example.env
+++ b/packages/airnode-protocol/example.env
@@ -1,24 +1,24 @@
 MNEMONIC=""
-ETHERSCAN_API_KEY_arbitrum-goerli-testnet=""
-ETHERSCAN_API_KEY_arbitrum-nova=""
-ETHERSCAN_API_KEY_arbitrum=""
-ETHERSCAN_API_KEY_avalanche-testnet=""
-ETHERSCAN_API_KEY_avalanche=""
-ETHERSCAN_API_KEY_boba-ethereum=""
-ETHERSCAN_API_KEY_bsc-testnet=""
-ETHERSCAN_API_KEY_bsc=""
-ETHERSCAN_API_KEY_ethereum-goerli-testnet=""
-ETHERSCAN_API_KEY_ethereum-sepolia-testnet=""
-ETHERSCAN_API_KEY_ethereum=""
-ETHERSCAN_API_KEY_fantom-testnet=""
-ETHERSCAN_API_KEY_fantom=""
-ETHERSCAN_API_KEY_gnosis=""
-ETHERSCAN_API_KEY_moonbeam-testnet=""
-ETHERSCAN_API_KEY_moonbeam=""
-ETHERSCAN_API_KEY_moonriver=""
-ETHERSCAN_API_KEY_optimism-goerli-testnet=""
-ETHERSCAN_API_KEY_optimism=""
-ETHERSCAN_API_KEY_polygon-testnet=""
-ETHERSCAN_API_KEY_polygon-zkevm-goerli-testnet=""
-ETHERSCAN_API_KEY_polygon-zkevm=""
-ETHERSCAN_API_KEY_polygon=""
+ETHERSCAN_API_KEY_ARBITRUM_GOERLI_TESTNET=""
+ETHERSCAN_API_KEY_ARBITRUM_NOVA=""
+ETHERSCAN_API_KEY_ARBITRUM=""
+ETHERSCAN_API_KEY_AVALANCHE_TESTNET=""
+ETHERSCAN_API_KEY_AVALANCHE=""
+ETHERSCAN_API_KEY_BOBA_ETHEREUM=""
+ETHERSCAN_API_KEY_BSC_TESTNET=""
+ETHERSCAN_API_KEY_BSC=""
+ETHERSCAN_API_KEY_ETHEREUM_GOERLI_TESTNET=""
+ETHERSCAN_API_KEY_ETHEREUM_SEPOLIA_TESTNET=""
+ETHERSCAN_API_KEY_ETHEREUM=""
+ETHERSCAN_API_KEY_FANTOM_TESTNET=""
+ETHERSCAN_API_KEY_FANTOM=""
+ETHERSCAN_API_KEY_GNOSIS=""
+ETHERSCAN_API_KEY_MOONBEAM_TESTNET=""
+ETHERSCAN_API_KEY_MOONBEAM=""
+ETHERSCAN_API_KEY_MOONRIVER=""
+ETHERSCAN_API_KEY_OPTIMISM_GOERLI_TESTNET=""
+ETHERSCAN_API_KEY_OPTIMISM=""
+ETHERSCAN_API_KEY_POLYGON_TESTNET=""
+ETHERSCAN_API_KEY_POLYGON_ZKEVM_GOERLI_TESTNET=""
+ETHERSCAN_API_KEY_POLYGON_ZKEVM=""
+ETHERSCAN_API_KEY_POLYGON=""
diff --git a/packages/airnode-protocol/hardhat.config.js b/packages/airnode-protocol/hardhat.config.js
index b8608ee989..0b89e0ba7e 100644
--- a/packages/airnode-protocol/hardhat.config.js
+++ b/packages/airnode-protocol/hardhat.config.js
@@ -6,31 +6,8 @@ require('hardhat-gas-reporter');
 const api3Chains = require('@api3/chains');
 require('dotenv').config();
 
-const { apiKey: etherscanApiKey, customChains: etherscanCustomChains } = api3Chains.hardhatEtherscan();
-const etherscan = {
-  apiKey: Object.entries(etherscanApiKey).reduce((populatedApiKey, etherscanApiKeyEntry) => {
-    const hardhatEtherscanChainAlias = etherscanApiKeyEntry[0];
-    const chainAlias = etherscanApiKeyEntry[1];
-    if (chainAlias !== 'DUMMY_VALUE') {
-      const envVariableName = `ETHERSCAN_API_KEY_${chainAlias}`;
-      populatedApiKey[hardhatEtherscanChainAlias] = process.env[envVariableName] ? process.env[envVariableName] : '';
-    } else {
-      populatedApiKey[hardhatEtherscanChainAlias] = 'DUMMY_VALUE';
-    }
-    return populatedApiKey;
-  }, {}),
-  customChains: etherscanCustomChains,
-};
-
-const networks = Object.entries(api3Chains.hardhatConfigNetworks()).reduce((networksWithMnemonic, networkEntry) => {
-  const chainAlias = networkEntry[0];
-  const network = networkEntry[1];
-  networksWithMnemonic[chainAlias] = {
-    ...network,
-    accounts: { mnemonic: process.env.MNEMONIC ? process.env.MNEMONIC : '' },
-  };
-  return networksWithMnemonic;
-}, {});
+const etherscan = api3Chains.hardhatConfig.etherscan();
+const networks = api3Chains.hardhatConfig.networks();
 
 module.exports = {
   etherscan,
diff --git a/packages/airnode-protocol/package.json b/packages/airnode-protocol/package.json
index 9aee39ed86..bcf0282816 100644
--- a/packages/airnode-protocol/package.json
+++ b/packages/airnode-protocol/package.json
@@ -29,7 +29,7 @@
     "write-example-env-file": "hardhat run scripts/write-example-env-file.ts"
   },
   "devDependencies": {
-    "@api3/chains": "^2.1.0",
+    "@api3/chains": "^3.1.0",
     "@nomiclabs/hardhat-ethers": "^2.2.3",
     "@nomiclabs/hardhat-etherscan": "^3.1.7",
     "@nomiclabs/hardhat-waffle": "^2.0.6",
diff --git a/packages/airnode-protocol/scripts/write-example-env-file.ts b/packages/airnode-protocol/scripts/write-example-env-file.ts
index 07102e71c9..f4f496cf67 100644
--- a/packages/airnode-protocol/scripts/write-example-env-file.ts
+++ b/packages/airnode-protocol/scripts/write-example-env-file.ts
@@ -1,9 +1,9 @@
 import * as fs from 'fs';
-import * as api3Chains from '@api3/chains';
+import { hardhatConfig } from '@api3/chains';
 
 fs.writeFileSync(
   'example.env',
-  api3Chains.getEnvVariables().reduce((fileContents: string, envVariableName: string) => {
+  hardhatConfig.getEnvVariableNames().reduce((fileContents: string, envVariableName: string) => {
     return fileContents + `${envVariableName}=""\n`;
   }, '')
 );
diff --git a/yarn.lock b/yarn.lock
index 3dadd954e4..ab872f1909 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,10 +22,10 @@
   dependencies:
     "@openzeppelin/contracts" "4.8.2"
 
-"@api3/chains@^2.1.0":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@api3/chains/-/chains-2.1.0.tgz#67219e94e3301378a14ba81d50d4740e093d5678"
-  integrity sha512-u/YIE6aXsoHssSc1kir0Ws/12oYEIFPIMm5yDxC6TxL0upglasmYx0vrty40QVaksgsavva/CQNme+zwdJy4yA==
+"@api3/chains@^3.1.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@api3/chains/-/chains-3.1.0.tgz#37ae1a6c3d5419616d26a0340364587cbb81df86"
+  integrity sha512-lXEL6Of+Kcesb9j8LfTelttQwwVgYKU3Em5C7uiKofr3mSsxw3X0oaMRiAZBIRlCD7tuNWCXJx4wGmRcyFj+uA==
   dependencies:
     zod "^3.21.4"