API Reference

Complete reference for OneKey’s Aptos provider methods and types.

Methods

Method	Description
`connect()`	Connect wallet and get account
`disconnect()`	Disconnect wallet
`isConnected()`	Check connection status
`account()`	Get current account info
`network()`	Get current network name
`getNetwork()`	Get full network info
`getNetworkURL()`	Get network RPC URL
`signMessage(request)`	Sign arbitrary message
`signAndSubmitTransaction(payload, options?)`	Sign and submit transaction
`signTransaction(payload, options?)`	Sign transaction without submitting
`signTransactionV2(params)`	Sign BCS-serialized transaction
`signAndSubmitTransactionV2(params)`	Sign and submit (Standard V1.1.0)
`signIn(payload)`	AIP sign-in flow
`onAccountChange(callback)`	Listen for account changes
`onNetworkChange(callback)`	Listen for network changes
`onDisconnect(callback)`	Listen for disconnect

Types

Account Info


interface AptosAccountInfo {
  address: string    // Hex address with 0x prefix
  publicKey: string  // Ed25519 public key
}

Network Info


interface AptosNetwork {
  name: string       // Network name
  chainId: string    // Chain ID
  url: string        // RPC URL
}

Sign Message Request


interface SignMessageRequest {
  message: string    // Message to sign
  nonce?: string     // Optional nonce
  address?: boolean  // Include address in message
  application?: boolean // Include app info
  chainId?: boolean  // Include chain ID
}

Sign Message Response


interface SignMessageResponse {
  signature: string     // Hex signature
  fullMessage: string   // Complete signed message
  prefix: string        // APTOS prefix
  address?: string      // Signer address
  application?: string  // Application info
  chainId?: number      // Chain ID
  nonce: string         // Nonce used
}

Transaction Payload


interface TransactionPayload {
  type: 'entry_function_payload' | 'script_payload' | 'module_bundle_payload'
  function: string       // Module::function format
  type_arguments: string[]
  arguments: any[]
}

Sign Transaction V2 Params


interface SignTransactionV2Params {
  transaction: string        // BCS serialized transaction
  transactionType: 'simple' | 'multi_agent'
  asFeePayer?: boolean       // Sign as fee payer
}

Supported Networks

Network	Description
Mainnet	Production network
Testnet	Testing environment
Devnet	Development environment

Events

Event	Callback Parameters	Description
`accountChanged`	`address: string \| null`	Account changed
`accountChangedV2`	`account: AptosAccountInfo \| null`	Account changed (full info)
`networkChange`	`network: string \| null`	Network changed
`disconnect`	-	Wallet disconnected

Error Codes

Code	Description
4001	User rejected request
4100	Unauthorized
4200	Unsupported method
4201	Unsupported network
-32603	Internal error