Comprehensive Guide to OKX Injected Provider API for Bitcoin-Compatible Chains

What is Injected Provider API?

The OKX Injected Providers API is a JavaScript-based interface embedded by OKX into websites. This powerful tool enables decentralized applications (DApps) to:

• Request user account information
• Retrieve blockchain data
• Facilitate message and transaction signing
• Manage wallet connections seamlessly

Wallet Connection Methods

Connect Wallet

👉 Connect your wallet with ease

okxwallet.bitcoin.connect()

Parameters: None
Returns:

• address: Current account address
• publicKey: Public key of current account

Request Accounts

okxwallet.bitcoin.requestAccounts()

Parameters: None
Returns: Current account address

Account Management

Get Accounts

okxwallet.bitcoin.getAccounts()

Returns: Current account address

Get Network

okxwallet.bitcoin.getNetwork()

Returns: Active network name
Note: Testnet not supported

Transaction Operations

Send Bitcoin

okxwallet.bitcoin.sendBitcoin(toAddress, satoshis, {feeRate})

Parameters:

• toAddress: Recipient address
• satoshis: Amount to send
• feeRate: Optional custom fee rate

Send Transaction (with Memo Support)

okxwallet.bitcoin.send({from, to, value, satBytes, memo, memoPos})

Supports OP_RETURN outputs for memos

Transfer NFT

okxwallet.bitcoin.transferNft({from, to, data})

Supports batch transfers of Ordinals or Atomicals protocol NFTs

Balance and Asset Management

Get Balance

okxwallet.bitcoin.getBalance()

Returns:

• Confirmed balance
• Unconfirmed balance
• Total balance

Get Inscriptions

okxwallet.bitcoin.getInscriptions({cursor, size})

Retrieves detailed inscription information including:

• Inscription ID
• Content type
• Timestamp
• Location data

Advanced Features

Sign PSBT

okxwallet.bitcoin.signPsbt(psbtHex, {options})

Supports complex signing scenarios with customizable options

Push PSBT

okxwallet.bitcoin.pushPsbt(psbtHex)

Broadcasts signed PSBT to network

Inscribe Operations

okxwallet.bitcoin.inscribe({type, from, tick, tid})

Supports BRC-20 token operations

Event Handling

Account Changed

okxwallet.bitcoin.on('accountChanged', (account) => {...})

Monitors account switching events

FAQ Section

How do I connect my wallet to a DApp?

Simply call okxwallet.bitcoin.connect() and approve the connection request in your wallet interface.

What's the difference between sendBitcoin and send methods?

sendBitcoin is for basic BTC transfers, while send supports additional features like memos and custom OP_RETURN outputs.

Can I batch transfer multiple NFTs?

Yes, use the transferNft method with an array of NFT data for batch transfers.

How do inscription protocols differ?

Ordinals protocol is for general NFTs, while Atomicals supports additional token standards with different capabilities.

What PSBT signing options are available?

You can control finalization, specify inputs to sign, and set custom sighash types for advanced transaction scenarios.

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