### Clone and Run OneBalance Privy Demo Application

Source: https://docs.onebalance.io/getting-started/setup

This script automates the setup of the OneBalance Privy demo. It clones the repository, navigates into it, installs project dependencies using pnpm, copies the example environment file, and starts the development server. This provides a quick way to get the application running for exploration.

```shell
# Clone the repository
git clone https://github.com/OneBalance-io/onebalance-privy-demo.git
cd onebalance-privy-demo

# Install dependencies
pnpm install

# Copy environment variables
cp .env.example .env

# Start the development server
pnpm dev

```

--------------------------------

### OneBalance MCP Server Installation Output

Source: https://docs.onebalance.io/ai/mcp-server-setup

Expected output after successfully installing the OneBalance MCP server, showing the installed tools, API key prompt, server location, client selection, and the command to start the server.

```Shell
🛠  Installing Tools:

   search - Documentation search
   predict-smart-account-address - Get smart account addresses
   list-supported-aggregated-assets - View supported assets
   get-aggregated-balance - Fetch account balances
   list-supported-chains - View supported networks
   get-quote-status - Check quote execution status
   get-transaction-history - Retrieve transaction history
   get-quote - Request transfer/swap quotes
   prepare-call-quote - Prepare contract calls
   get-call-quote - Get contract call quotes
   execute-quote - Execute quotes

✔  What is the API Key for "OneBalance API"? …
✔  Created new MCP server at ~/.mcp/onebalance-d7e5d4d0
✔  Select MCP client: › All
✔  Successfully installed MCP server to Cursor, Claude Desktop

To start your MCP server, run:
node ~/.mcp/onebalance-d7e5d4d0/src/index.js
```

--------------------------------

### OneBalance API Keys and Authentication Setup

Source: https://docs.onebalance.io/overview/onboarding-checklist

Outlines the process for obtaining production API keys from OneBalance, implementing proper authentication in applications, and requesting higher rate limits.

```APIDOC
API Keys & Authentication:
- Request production API keys from the OneBalance team
- Implement proper authentication in your app (refer to /api-reference/authentication)
- Contact us if you need higher rate limits (refer to /api-reference/rate-limits)
```

--------------------------------

### Install OneBalance MCP Server

Source: https://docs.onebalance.io/ai/mcp-server-setup

Command to add the OneBalance Model Context Protocol (MCP) server, which integrates OneBalance documentation and API with AI tools.

```Shell
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### OneBalance Core APIs Reference

Source: https://docs.onebalance.io/llms-full

A list of core OneBalance APIs used in the getting started guide, including endpoints for account prediction, balance aggregation, quote retrieval, quote execution, and transaction status checking.

```APIDOC
Predict Account Address: Get your smart contract account address before deployment
Get Aggregated Balance: View your token balances across all chains
Get Quote: Request quotes for cross-chain swaps or transfers
Execute Quote: Execute your signed quotes
Check Status: Track your transaction status
```

--------------------------------

### Install Node.js and pnpm using nvm for OneBalance Development

Source: https://docs.onebalance.io/getting-started/setup

This script provides commands to set up the recommended Node.js environment. It first installs nvm (Node Version Manager) if not present, then uses nvm to install and activate Node.js version 20, and finally installs the pnpm package manager globally. This ensures the necessary prerequisites for OneBalance development are met.

```shell
# Install nvm (if not already installed)
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash

# Install and use Node.js 20
nvm install 20
nvm use 20

# Install pnpm globally

```

--------------------------------

### Clone and Run OneBalance Privy Demo Repository

Source: https://docs.onebalance.io/llms-full

A Bash script to clone the OneBalance Privy demo repository, navigate into it, install project dependencies using pnpm, and copy the example environment variables file to prepare the project for local development.

```Bash
# Clone the repository
git clone https://github.com/OneBalance-io/onebalance-privy-demo.git
cd onebalance-privy-demo

# Install dependencies
pnpm install

# Copy environment variables
cp .env.example .env
```

--------------------------------

### Install pnpm globally using npm

Source: https://docs.onebalance.io/getting-started/setup

This command installs pnpm, a fast, disk space efficient package manager, globally on your system using npm.

```shell
npm install -g pnpm
```

--------------------------------

### OneBalance API: Example Initial Paginated Request (Bash)

Source: https://docs.onebalance.io/llms-full

This Bash snippet provides a practical example of an initial GET request to retrieve paginated transaction history from the OneBalance API. It demonstrates how to specify the `user` address and the `limit` for the number of transactions to be returned in the first page of results.

```bash
GET /api/status/get-tx-history?user=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&limit=10
```

--------------------------------

### Install Project Dependencies

Source: https://docs.onebalance.io/guides/contract-calls/getting-started

Commands to install necessary runtime dependencies (viem, axios) and development dependencies (typescript, @types/node, ts-node, tslib) for the TypeScript project.

```Shell
pnpm add viem axios
pnpm add -D typescript @types/node ts-node tslib
```

--------------------------------

### Install OneBalance Model Context Protocol (MCP) Server

Source: https://docs.onebalance.io/ai/building-with-llms

Execute this command to install the OneBalance MCP server, which facilitates direct documentation search and live OneBalance API function access within your AI tools.

```bash
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### Install Core Dependencies for Wallet Connection and Auth

Source: https://docs.onebalance.io/llms-full

Installs necessary packages for wallet connection, transaction signing, and authentication using Privy, including @tanstack/react-query, wagmi, viem, and @privy-io/react-auth.

```bash
pnpm add @tanstack/react-query wagmi viem @privy-io/react-auth
```

--------------------------------

### Install Node.js, nvm, and pnpm

Source: https://docs.onebalance.io/llms-full

Instructions for installing Node.js version 20 using nvm (Node Version Manager) and then installing the pnpm package manager globally. This ensures the correct development environment is set up before proceeding with project creation.

```bash
# Install nvm (if not already installed)
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash

# Install and use Node.js 20
nvm install 20
nvm use 20

# Install pnpm globally
# Using npm to install pnpm as a one-time step
npm install -g pnpm
```

--------------------------------

### Install Core Libraries for Wallet and Data Management

Source: https://docs.onebalance.io/guides/chain-abstracted-swap-with-privy

Installs essential npm packages: @tanstack/react-query for data fetching, wagmi and viem for Ethereum blockchain interactions, and @privy-io/react-auth for Privy authentication and wallet integration.

```Shell
pnpm add @tanstack/react-query wagmi viem @privy-io/react-auth
```

--------------------------------

### API Reference: Authentication Setup

Source: https://docs.onebalance.io/concepts/aggregated-assets

Documentation covering API key setup and authentication procedures for accessing aggregated assets.

```APIDOC
Endpoint: /api-reference/authentication
Description: API key setup and authentication for accessing aggregated assets.
```

--------------------------------

### Install OneBalance Project Dependencies

Source: https://docs.onebalance.io/llms-full

Commands to install required npm packages for the OneBalance project, including `viem`, `axios`, `typescript`, and related development dependencies.

```bash
pnpm add viem axios
pnpm add -D typescript @types/node ts-node tslib
```

--------------------------------

### Generate OneBalance TypeScript SDK

Source: https://docs.onebalance.io/ai/mcp-prompts

This prompt instructs the AI to generate a TypeScript SDK wrapper for the OneBalance API, complete with type definitions, error handling, and example usage for all endpoints.

```Natural Language
Generate a TypeScript SDK wrapper for OneBalance API that includes type definitions, error handling, and example usage for all endpoints.
```

--------------------------------

### Starting Local Development Server with pnpm

Source: https://docs.onebalance.io/getting-started/setup

This command initiates the development server for the application using pnpm. It allows developers to run the application locally and access it via a web browser, typically at http://localhost:3000.

```bash
pnpm dev
```

--------------------------------

### Create a new Next.js project with pnpm

Source: https://docs.onebalance.io/getting-started/setup

Initializes a new Next.js application using pnpm, setting up the project structure and default configurations. The subsequent command navigates into the newly created project directory.

```shell
pnpm create next-app onebalance-privy-demo
cd onebalance-privy-demo
```

--------------------------------

### Example Quote Status API Response

Source: https://docs.onebalance.io/api-reference/status/get-quote-status

An example JSON response body returned by the Get Quote Status API endpoint, detailing the quote ID, status, user, recipient account, and associated origin/destination chain operations.

```JSON
{
  "quoteId": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
  "status": {
    "status": "COMPLETED"
  },
  "user": "0x9b747cC14A5672a7166b4eccdc92d7F4003f8081",
  "recipientAccountId": "eip155:1/0x9b747cC14A5672a7166b4eccdc92d7F4003f8081",
  "originChainOperations": [
    {
      "hash": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
      "chainId": 1,
      "explorerUrl": "https://etherscan.io/tx/0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d"
    }
  ],
  "destinationChainOperations": [
    {
      "hash": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
      "chainId": 1,
      "explorerUrl": "https://etherscan.io/tx/0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d"
    }
  ]
}
```

--------------------------------

### cURL Example: Get Aggregated Balance

Source: https://docs.onebalance.io/api-reference/balances/aggregated-balance

Demonstrates how to make a GET request to the OneBalance aggregated balance API using cURL, including the required 'x-api-key' header for authentication.

```cURL
curl --request GET \
  --url https://be.onebalance.io/api/v2/balances/aggregated-balance \
  --header 'x-api-key: <api-key>'
```

--------------------------------

### Example OneBalance API GET Request with x-api-key

Source: https://docs.onebalance.io/api-reference/quotes/get-quote

Demonstrates how to make a GET request to a OneBalance API endpoint using `curl`, including the necessary `x-api-key` header for authentication. Replace `${ONEBALANCE_API_KEY}` with your actual API key.

```shell
curl -X 'GET' \
  'https://be.onebalance.io/api/path-to/endpoint' \
  -H 'x-api-key: ${ONEBALANCE_API_KEY}' \
  ...
```

--------------------------------

### Install project dependencies with pnpm

Source: https://docs.onebalance.io/getting-started/setup

Adds essential libraries for authentication (Privy), blockchain interaction (Viem), data fetching (TanStack Query), environment variable management (dotenv), and HTTP requests (axios) to the project.

```shell
pnpm add @privy-io/react-auth viem @tanstack/react-query dotenv axios
```

--------------------------------

### Authenticate GET Request with x-api-key using Curl

Source: https://docs.onebalance.io/api-reference/quotes/get-call-quote

Example Curl command demonstrating how to make a GET request to a OneBalance API endpoint by including the 'x-api-key' in the request header for authentication. Replace '${ONEBALANCE_API_KEY}' with your actual API key.

```curl
curl -X 'GET' \
  'https://be.onebalance.io/api/path-to/endpoint' \
  -H 'x-api-key: ${ONEBALANCE_API_KEY}' \
  ...
```

--------------------------------

### cURL Example: Authenticate OneBalance API Request

Source: https://docs.onebalance.io/api-reference/balances/aggregated-balance

Provides a cURL example demonstrating how to include the 'x-api-key' header for authenticating a generic OneBalance API endpoint.

```cURL
curl -X 'GET' \
  'https://be.onebalance.io/api/path-to/endpoint' \
  -H 'x-api-key: ${ONEBALANCE_API_KEY}' \
  ...
```

--------------------------------

### cURL Example for Aggregated Balance API

Source: https://docs.onebalance.io/api-reference/balances/aggregated-balance

This cURL command demonstrates how to make a GET request to the OneBalance aggregated balance API endpoint. It includes the necessary URL and an 'x-api-key' header for authentication.

```cURL
curl --request GET \
  --url https://be.onebalance.io/api/v2/balances/aggregated-balance \
  --header 'x-api-key: <api-key>'
```

--------------------------------

### Create an empty .env file

Source: https://docs.onebalance.io/getting-started/setup

Provides an alternative command-line method to create an empty .env file in the project root, which can then be populated with API keys.

```shell
# Create .env file
touch .env
```

--------------------------------

### Quick setup for OneBalance MCP server

Source: https://docs.onebalance.io/faq/ai

This command quickly sets up the Model Context Protocol (MCP) server, connecting OneBalance's documentation and API directly to your AI tools. It enables documentation search and live API access to OneBalance functions.

```Shell
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### EIP-712 Typed Data Structure Example

Source: https://docs.onebalance.io/api-reference/quotes/get-call-quote

A JSON example of a partial EIP-712 typed data structure, commonly used for off-chain message signing in blockchain applications. It defines the domain, types, primary type, and message for a specific approval operation.

```JSON
{
  "verifyingContract": "0xA24bD06230f3F54e5bf266AE7A41750eE3b789FA"
},
"types": {
  "Approve": [
    {
      "name": "callDataAndNonceHash",
      "type": "bytes32"
    }
  ]
},
"primaryType": "Approve",
"message": {
  "callDataAndNonceHash": "0xaab2ddac63e4a7e25b7d339cacdff2f9280025cef27699ffe5f5e9e9625b15eb"
}
}
```

--------------------------------

### Get Latest Account Transaction

Source: https://docs.onebalance.io/ai/mcp-prompts

Prompt to retrieve the most recent transaction associated with the user's account.

```AI Prompt
What's the latest transaction for my account?
```

--------------------------------

### Example JSON Response for Get Transaction History

Source: https://docs.onebalance.io/api-reference/status/get-transaction-history

Provides a sample JSON structure returned by the /status/get-tx-history endpoint, illustrating the format of transaction details, including quote IDs, statuses, user and recipient accounts, chain operations, token details (origin/destination), and timestamps.

```JSON
{
  "transactions": [
    {
      "quoteId": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
      "status": {
        "status": "COMPLETED"
      },
      "user": "0x9b747cC14A5672a7166b4eccdc92d7F4003f8081",
      "recipientAccountId": "eip155:1/0x9b747cC14A5672a7166b4eccdc92d7F4003f8081",
      "originChainOperations": [
        {
          "hash": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
          "chainId": 1,
          "explorerUrl": "https://etherscan.io/tx/0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d"
        }
      ],
      "destinationChainOperations": [
        {
          "hash": "0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d",
          "chainId": 1,
          "explorerUrl": "https://etherscan.io/tx/0xfa6094cd9d65416c975e3498cc5c2ca17df6c4cfa37e16f84f2736296dd98b5d"
        }
      ],
      "type": "SWAP",
      "originToken": {
        "aggregatedAssetId": "ds:eth",
        "amount": "1000000000000000000",
        "assetType": [
          "eip155:1/erc20:0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
          "eip155:1/slip44:60"
        ],
        "fiatValue": [
          {
            "assetType": "eip155:1/erc20:0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
            "fiatValue": "1800"
          }
        ]
      },
      "destinationToken": {
        "aggregatedAssetId": "ds:usdc",
        "amount": "1800000000",
        "assetType": "eip155:1/erc20:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "fiatValue": "1800"
      },
      "timestamp": "2024-01-01T12:00:00.000Z"
    },
    {
      "quoteId": "0xed8c3dd2455c0569c63aef2ac8fa63d94a9b35caed36e3a70ee3af01cec3a7d5",
      "status": {
        "status": "COMPLETED"
      },
      "user": "0x9b747cC14A5672a7166b4eccdc92d7F4003f8081",
      "recipientAccountId": "eip155:10/0x7654321aBC987654321DEF12345678901234567",
      "originChainOperations": [
        {
          "hash": "0xed8c3dd2455c0569c63aef2ac8fa63d94a9b35caed36e3a70ee3af01cec3a7d5",
          "chainId": 1,
          "explorerUrl": "https://etherscan.io/tx/0xed8c3dd2455c0569c63aef2ac8fa63d94a9b35caed36e3a70ee3af01cec3a7d5"
        }
      ],
      "destinationChainOperations": [
        {
          "hash": "0xa1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2",
          "chainId": 10,
          "explorerUrl": "https://optimistic.etherscan.io/tx/0xa1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"
        }
      ],
      "type": "TRANSFER",
      "originToken": {
        "aggregatedAssetId": "ds:usdc",
        "amount": "500000000",
        "assetType": [
          "eip155:1/erc20:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
        ],
        "fiatValue": [
          {
            "assetType": "eip155:1/erc20:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
            "fiatValue": "500"
          }
        ]
      },
      "destinationToken": {
        "aggregatedAssetId": "ds:usdc",
        "amount": "495000000",
        "assetType": "eip155:10/erc20:0x7f5c764cbc14f9669b88837ca1490cca17c31607",
        "fiatValue": "495"
      },
      "timestamp": "2023-12-31T18:30:00.000Z"
    }
  ],
  "continuation": "txn_00123456789abcdef"
}
```

--------------------------------

### Initialize OneBalance Calldata Project

Source: https://docs.onebalance.io/guides/contract-calls/getting-started

Commands to create a new directory for the OneBalance calldata project and initialize it using pnpm.

```Shell
mkdir onebalance-calldata && cd onebalance-calldata
pnpm init
```

--------------------------------

### Example Cross-Origin Fetch Request to OneBalance API

Source: https://docs.onebalance.io/api-reference/cors

Demonstrates how to make a GET request to the OneBalance API's assets list endpoint from a client-side JavaScript application. This example includes necessary headers for authentication ('x-api-key') and content type ('Content-Type: application/json'), and handles the promise-based response.

```JavaScript
// Example of a cross-origin fetch request
fetch('https://be.onebalance.io/api/assets/list', {
  method: 'GET',
  headers: {
    'x-api-key': 'your-api-key',
    'Content-Type': 'application/json'
  }
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));
```

--------------------------------

### OneBalance Gas Abstraction Configuration

Source: https://docs.onebalance.io/overview/onboarding-checklist

Details the steps for configuring Paymaster settings for gas sponsorship, setting up fee structures and limits, and testing gas abstraction in a staging environment.

```APIDOC
Gas Abstraction Setup:
- Configure Paymaster settings for gas sponsorship
- Set up fee structures and limits
- Test gas abstraction in staging environment
```

--------------------------------

### OneBalance API Pagination Example: Initial Request

Source: https://docs.onebalance.io/api-reference/pagination

Demonstrates an initial GET request to the `/api/status/get-tx-history` endpoint. It specifies a user address and a `limit` for the maximum number of transactions to return in the first page.

```APIDOC
GET /api/status/get-tx-history?user=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&limit=10
```

--------------------------------

### OneBalance MCP: Simple Account & Balance Queries

Source: https://docs.onebalance.io/llms-full

Examples of basic prompts to query account balances, supported chains, available assets, and predict smart account addresses using the OneBalance MCP server.

```bash
What is my aggregated balance across all chains for address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045?
```

```bash
Show me all supported chains on OneBalance
```

```bash
What aggregated assets are available on OneBalance?
```

```bash
Predict a smart account address for session signer 0x1cBFbFd62a276BF6D79d504eA4CA75a7baDcf5b1 and admin signer 0xc162a3cE45ad151eeCd0a5532D6E489D034aB3B8
```

--------------------------------

### Generate Token Swap Quote

Source: https://docs.onebalance.io/ai/mcp-prompts

Prompt to get a quote for swapping a specified amount of one token (USDC) to another (ETH) using aggregated balance.

```AI Prompt
Get a quote to swap 10 USDC to ETH using my aggregated balance
```

--------------------------------

### OneBalance API Pagination Example: Subsequent Request

Source: https://docs.onebalance.io/api-reference/pagination

Illustrates how to make a subsequent request to fetch the next page of results. This is achieved by including the `continuation` token obtained from the previous response in the new GET request.

```APIDOC
GET /api/status/get-tx-history?user=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&limit=10&continuation=txn_00123456789abcdef
```

--------------------------------

### OneBalance MCP Server Setup Command

Source: https://docs.onebalance.io/llms-full

Command to set up the OneBalance Model Context Protocol (MCP) server, enabling direct API access and documentation search within AI tools.

```bash
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### Install Project Dependencies

Source: https://docs.onebalance.io/llms-full

Command to add the necessary packages for the project, including @privy-io/react-auth for authentication, viem for Ethereum interactions, @tanstack/react-query for data fetching, dotenv for environment variables, and axios for HTTP requests.

```bash
pnpm add @privy-io/react-auth viem @tanstack/react-query dotenv axios
```

--------------------------------

### Create Main TypeScript File

Source: https://docs.onebalance.io/guides/contract-calls/getting-started

Initializes the main TypeScript file for the project where API integration code will reside.

```shell
touch index.ts
```

--------------------------------

### OneBalance API Key Authentication

Source: https://docs.onebalance.io/api-reference/status/get-transaction-history

Explains the authentication method for the OneBalance API, which uses an API key in the 'x-api-key' header. It specifies the parameter details and provides a cURL example for demonstration.

```APIDOC
Parameter: x-api-key
Type: string
Location: header
Required: true
Description: The OneBalance API uses API keys to authenticate requests. All API requests require authentication using an API key passed in the 'x-api-key' header. A public API key is available for testing purposes with limited usage: 42bb629272001ee1163ca0dbbbc07bcbb0ef57a57baf16c4b1d4672db4562c11. All API requests must be made over HTTPS. Calls made over plain HTTP will fail. API requests without authentication will also fail.
```

```cURL
curl -X 'GET' \
  'https://be.onebalance.io/api/path-to/endpoint' \
  -H 'x-api-key: ${ONEBALANCE_API_KEY}' \
  ...
```

--------------------------------

### Install OneBalance MCP Server

Source: https://docs.onebalance.io/llms-full

Install the OneBalance Model Context Protocol (MCP) server using npx. This command sets up the necessary tools to connect OneBalance's documentation and API to AI clients.

```bash
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### cURL Example for Listing Supported Chains

Source: https://docs.onebalance.io/api-reference/chains/list

Demonstrates how to make a GET request using cURL to the '/chains/supported-list' endpoint to retrieve supported blockchain networks. Requires an API key for authentication.

```cURL
curl --request GET \
  --url https://be.onebalance.io/api/chains/supported-list \
  --header 'x-api-key: <api-key>'
```

--------------------------------

### Get DeFi Protocol Interaction Quote

Source: https://docs.onebalance.io/ai/mcp-prompts

This prompt asks for a quote to interact with a DeFi protocol, specifically depositing USDC into AAVE on Base, using a cross-chain balance for the transaction.

```Natural Language
Get a quote for interacting with a DeFi protocol: deposit 500 USDC into AAVE on Base using my cross-chain balance.
```

--------------------------------

### Starting Development Server

Source: https://docs.onebalance.io/llms-full

This bash command initiates the local development server for the application using pnpm. It allows developers to run and test the application locally, typically accessible via http://localhost:3000.

```bash
pnpm dev
```

--------------------------------

### Set Up OneBalance MCP Server

Source: https://docs.onebalance.io/llms-full

This command quickly sets up the Model Context Protocol (MCP) server for OneBalance, connecting its documentation and API to your AI tools. The MCP server provides documentation search and live API access.

```bash
npx mint-mcp add onebalance-d7e5d4d0
```

--------------------------------

### Authenticate OneBalance API Requests with cURL

Source: https://docs.onebalance.io/llms-full

Demonstrates how to authenticate requests to the OneBalance API using an API key passed in the `x-api-key` header. This example shows a GET request to list assets.

```bash
curl -X 'GET' \
  'https://be.onebalance.io/api/assets/list' \
  -H 'x-api-key: 42bb629272001ee1163ca0dbbbc07bcbb0ef57a57baf16c4b1d4672db4562c11'
```

--------------------------------

### OneBalance Transaction Monitoring Implementation

Source: https://docs.onebalance.io/overview/onboarding-checklist

Describes how to implement transaction status monitoring using OneBalance's status endpoints and set up error handling and logging for applications.

```APIDOC
Monitoring:
- Implement transaction status monitoring using our status endpoints (refer to /api-reference/status/get-quote-status)
- Set up error handling and logging
```

--------------------------------

### Get Call Quote for Contract Operations

Source: https://docs.onebalance.io/api-reference/quotes/get-call-quote

This example demonstrates how to send a POST request to the /api/quotes/call-quote endpoint using cURL. It includes a comprehensive JSON payload detailing account information, a user operation (userOp) with various blockchain-specific parameters like sender, nonce, factory, callData, gas limits, and a signature, along with typed data for signing. An 'x-api-key' header is required for authentication.

```cURL
curl --request POST \
  --url https://be.onebalance.io/api/quotes/call-quote \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "account": {
    "accountAddress": "0xb8e4b017f4a8870E3eB4eb15c5e180D2a34D877B",
    "adminAddress": "0x8FA09fc75bC2619e594cCb720096627DCaA7c5C4",
    "sessionAddress": "0xBbef1E2dEA96c1c2001Eb48136e513A855F46097"
  },
  "chainOperation": {
    "userOp": {
      "sender": "0xb8e4b017f4a8870e3eb4eb15c5e180d2a34d877b",
      "nonce": "1120126849530300722547379539971600052481264750391572034956634531672621056",
      "factory": "0xd703aae79538628d27099b8c4f621be4ccd142d5",
      "factoryData": "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",
      "callData": "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",
      "callGasLimit": "737280",
      "verificationGasLimit": "3076170",
      "preVerificationGas": "0",
      "maxFeePerGas": "0",
      "maxPriorityFeePerGas": "0",
      "paymaster": "0xa784e6482bd5edbfe5991b18cbd545ebd46e1cc4",
      "paymasterVerificationGasLimit": "19219",
      "paymasterPostOpGasLimit": "0",
      "paymasterData": "0x",
      "signature": "0x8cbd9df26744e2a02cde9fb8832d2b5fbf5224261061a92bddb673cbfeb9849737cb80c5b5ae535007a1d57a377294c5a61033baef242b93faede408322feb651c"
    },
    "typedDataToSign": {
      "domain": {
        "name": "RoleBasedECDSAValidator",
        "version": "1.4.3"
      }
    }
  }
}'
```

--------------------------------

### Configure environment variables in .env file

Source: https://docs.onebalance.io/getting-started/setup

Creates a .env file to store sensitive API keys for Privy and OneBalance, essential for the application's functionality. These keys are marked for quickstart use only and should be replaced in production.

```env
# .env
NEXT_PUBLIC_PRIVY_APP_ID=cmb94tjcj001xle0mdeerz9vp  # For quickstart only; use your own in production
NEXT_PUBLIC_ONEBALANCE_API_KEY=42bb629272001ee1163ca0dbbbc07bcbb0ef57a57baf16c4b1d4672db4562c11  # For quickstart only
```

--------------------------------

### JSON Example: Aggregated Balance API Response

Source: https://docs.onebalance.io/api-reference/balances/aggregated-balance

Illustrates the structure and content of a successful JSON response from the aggregated balance API, showing balances by aggregated asset, individual asset details, and total fiat value.

```JSON
{
  "balanceByAggregatedAsset": [
    {
      "aggregatedAssetId": "ds:eth",
      "balance": "26720629499317191152",
      "individualAssetBalances": [
        {
          "assetType": "eip155:42161/slip44:60",
          "balance": "43872973277400073",
          "fiatValue": 77.727114
        },
        {
          "assetType": "eip155:8453/slip44:60",
          "balance": "26488136306212020002",
          "fiatValue": 46927.441806
        },
        {
          "assetType": "eip155:10/slip44:60",
          "balance": "188620219827771077",
          "fiatValue": 334.167126
        }
      ],
      "fiatValue": 47339.336046
    },
    {
      "aggregatedAssetId": "ds:usdc",
      "balance": "843936437",
      "individualAssetBalances": [
        {
          "assetType": "eip155:42161/erc20:0xaf88d065e77c8cc2239327c5edb3a432268e5831",
          "balance": "62459466",
          "fiatValue": 62.456468
        },
        {
          "assetType": "eip155:8453/erc20:0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
          "balance": "774598041",
          "fiatValue": 774.563184
        },
        {
          "assetType": "eip155:10/erc20:0x0b2c639c533813f4aa9d7837caf62653d097ff85",
          "balance": "5845251",
          "fiatValue": 5.844988
        },
        {
          "assetType": "eip155:43114/erc20:0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e",
          "balance": "1033679",
          "fiatValue": 1.033632
        }
      ],
      "fiatValue": 843.898272
    }
  ],
  "balanceBySpecificAsset": [
    {
      "assetType": "eip155:1/erc20:0xae7ab96520de3a18e5e111b5eaab095312d7fe84",
      "balance": "0",
      "fiatValue": 0
    }
  ],
  "totalBalance": {
    "fiatValue": 78138.51832
  }
}
```

--------------------------------

### Request Quote for Asset Transfer/Swap

Source: https://docs.onebalance.io/api-reference/quotes/get-quote

This cURL example demonstrates how to send a POST request to the `/v1/quote` endpoint. It specifies the 'from' account and asset details, along with the desired 'to' asset, to initiate a quote generation for asset transfer or swap.

```curl
curl --request POST \
  --url https://be.onebalance.io/api/v1/quote \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "from": {
    "account": {
      "sessionAddress": "0x1cBFbFd62a276BF6D79d504eA4CA75a7baDcf5b1",
      "adminAddress": "0xc162a3cE45ad151eeCd0a5532D6E489D034aB3B8",
      "accountAddress": "0xE20295ec513DEf805D9c3083b0C8EaB64692D764"
    },
    "asset": {
      "assetId": "ds:eth"
    },
    "amount": "1000000000000000"
  },
  "to": {
    "asset": {
      "assetId": "ds:usdc"
    }
  }
}'
```

--------------------------------

### Initialize OneBalance Calldata Project Directory

Source: https://docs.onebalance.io/llms-full

Commands to create and navigate into a new directory for the OneBalance calldata project and initialize pnpm.

```bash
mkdir onebalance-calldata && cd onebalance-calldata
pnpm init
```

--------------------------------

### Key OneBalance APIs Used in This Guide

Source: https://docs.onebalance.io/getting-started/introduction

This section lists the core OneBalance APIs essential for building chain-abstracted applications, covering account prediction, balance aggregation, quote management, and transaction status tracking.

```APIDOC
Predict Account Address: Get your smart contract account address before deployment
Get Aggregated Balance: View your token balances across all chains
Get Quote: Request quotes for cross-chain swaps or transfers
Execute Quote: Execute your signed quotes
Check Status: Track your transaction status
```

--------------------------------

### Initialize Project File

Source: https://docs.onebalance.io/llms-full

This snippet demonstrates how to create the main TypeScript file for the project using a bash command.

```bash
touch index.ts
```