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+# Pi Network API Reference
+
+Welcome to the Pi Network API Reference! This guide provides detailed documentation on the Pi Network's API, including endpoints, parameters, and response formats.
+
+## Endpoints
+
+### Node API
+
+* `GET /node/info`: Retrieves information about the node, including its version and configuration.
+* `GET /node/peers`: Retrieves a list of peers connected to the node.
+* `POST /node/send_transaction`: Sends a transaction to the node.
+
+### Smart Contract API
+
+* `GET /contract/{contract_address}`: Retrieves information about a smart contract, including its code and storage.
+* `POST /contract/{contract_address}/call`: Calls a function on a smart contract.
+* `POST /contract/{contract_address}/deploy`: Deploys a new smart contract.
+
+### Wallet API
+
+* `GET /wallet/{wallet_address}`: Retrieves information about a wallet, including its balance and transaction history.
+* `POST /wallet/{wallet_address}/send`: Sends a transaction from a wallet.
+* `POST /wallet/{wallet_address}/receive`: Receives a transaction into a wallet.
+
+## Parameters
+
+* `node_id`: The ID of the node to interact with.
+* `contract_address`: The address of the smart contract to interact with.
+* `wallet_address`: The address of the wallet to interact with.
+* `transaction_data`: The data to be sent in a transaction.
+
+## Response Formats
+
+* `JSON`: The default response format for API requests.
+* `Error`: An error response format that includes an error message and code.
+
+## Error Codes
+
+* `400`: Bad request.
+* `401`: Unauthorized.
+* `404`: Not found.
+* `500`: Internal server error.
+
+## Next Steps
+
+* Learn more about the Pi Network's architecture and features in our [Getting Started](getting_started.md) guide.
+* Explore the Pi Network's smart contract platform in our [Smart Contract Guide](smart_contract_guide.md).