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Core Components

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<AnySpend>

The primary interface component for token-to-token exchanges and fiat onramps.
Basic Usage
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpend.tsx
import { AnySpend } from "@b3dotfun/sdk/anyspend/react";

<AnySpend
  mode="modal"
  defaultActiveTab="crypto"
  destinationTokenAddress="0x..."
  destinationTokenChainId={8333}
  recipientAddress="0x..."
  hideTransactionHistoryButton={false}
/>;

​
Props

​
mode
'modal' | 'page'
default:"'modal'"
Display as modal overlay or full page
​
defaultActiveTab
'crypto' | 'fiat'
default:"'crypto'"
Initial payment method tab
​
destinationTokenAddress
string
Target token address for buy mode
​
destinationTokenChainId
number
Chain ID of destination token
​
recipientAddress
string
Recipient wallet address
​
hideTransactionHistoryButton
boolean
default:"false"
Hide transaction history access
​
loadOrder
string
Load specific order by ID

​
Usage Examples

<AnySpend
  mode="page"
  recipientAddress={userWalletAddress}
/>

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<AnySpendNFTButton>

A streamlined button component for NFT purchases with built-in payment handling.
NFT Purchase Button
import { AnySpendNFTButton } from "@b3dotfun/sdk/anyspend/react";

<AnySpendNFTButton nftContract={nftContractDetails} recipientAddress="0x..." />;

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Props

​
nftContract
NFTContract
required
NFT contract configuration object
​
recipientAddress
string
required
Wallet address to receive the NFT

​
NFTContract Interface

Type Definition
interface NFTContract {
  chainId: number; // Blockchain network ID
  contractAddress: string; // NFT contract address
  price: string; // Price in wei
  priceFormatted: string; // Human-readable price
  currency: {
    chainId: number;
    address: string; // Token contract (0x0 for native ETH)
    name: string;
    symbol: string;
    decimals: number;
    metadata: {
      logoURI: string;
    };
  };
  name: string; // NFT collection name
  description: string; // NFT description
  imageUrl: string; // Preview image URL
  tokenId: number | null; // Token ID (null for ERC721, specific ID for ERC1155)
  type: "erc721" | "erc1155"; // NFT contract type
}

​
Usage Example

Complete NFT Integration
const coolNFT = {
  chainId: 8333,
  contractAddress: "0x9c275ff1634519E9B5449ec79cd939B5F900564d",
  price: "500000000000000000", // 0.5 ETH
  priceFormatted: "0.5",
  currency: {
    chainId: 8333,
    address: "0x0000000000000000000000000000000000000000",
    name: "Ether",
    symbol: "ETH",
    decimals: 18,
    metadata: {
      logoURI: "https://assets.coingecko.com/coins/images/279/standard/ethereum.png?1696501628",
    },
  },
  name: "Cool Art Collection",
  description: "Unique digital artwork",
  imageUrl: "https://example.com/nft-preview.png",
  tokenId: null,
  type: "erc721",
};

<AnySpendNFTButton nftContract={coolNFT} recipientAddress={userAddress} />;

​
<AnySpendCustom>

The most flexible component for custom smart contract interactions, including gaming, staking, and DeFi operations.
Custom Contract Interaction
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpendCustom.tsx
import { AnySpendCustom } from "@b3dotfun/sdk/anyspend/react";

<AnySpendCustom
  orderType="custom"
  dstChainId={8333}
  dstToken={tokenDetails}
  dstAmount="1000000000000000000"
  contractAddress="0x..."
  encodedData="0x..."
  spenderAddress="0x..."
  metadata={customMetadata}
  header={CustomHeaderComponent}
  onSuccess={txHash => console.log("Custom action completed", txHash)}
/>;

​
Props

​
orderType
'custom'
required
Order type identifier
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dstChainId
number
required
Target blockchain network
​
dstToken
Token
required
Token being used for payment
​
dstAmount
string
required
Amount in wei/smallest unit
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contractAddress
string
required
Target smart contract address
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encodedData
string
required
Encoded function call data
​
spenderAddress
string
Optional token spender address
​
metadata
object
Custom metadata for tracking
​
header
React.ComponentType
Custom header component
​
onSuccess
(txHash?: string) => void
Success callback with transaction hash

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Usage Example - Staking

Staking Integration
// Encode staking function call
const stakeAmount = "1000000000000000000"; // 1 token
const stakingCalldata = encodeFunctionData({
  abi: stakingABI,
  functionName: "stake",
  args: [stakeAmount, 30], // 30 days
});

<AnySpendCustom
  orderType="custom"
  dstChainId={8333}
  dstToken={stakingToken}
  dstAmount={stakeAmount}
  contractAddress="0xStakingContract..."
  encodedData={stakingCalldata}
  metadata={{
    action: "stake",
    duration: 30,
    expectedRewards: "5.2%",
  }}
  header={({ anyspendPrice, isLoadingAnyspendPrice }) => (
    <div className="staking-header">
      <h2>Stake Tokens</h2>
      <p>Duration: 30 days</p>
      <p>Expected APY: 5.2%</p>
      {!isLoadingAnyspendPrice && <p>Total Cost: ${anyspendPrice?.usdPrice}</p>}
    </div>
  )}
/>;

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Specialized Components

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<AnySpendNFT>

Enhanced NFT component with additional marketplace features.
Enhanced NFT Component
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpendNFT.tsx
<AnySpendNFT nftContract={nftDetails} recipientAddress="0x..." showMetadata={true} showPriceHistory={true} />

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<AnySpendStakeB3>

Pre-configured component for B3 token staking.
B3 Staking
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpendStakeB3.tsx
<AnySpendStakeB3 stakeAmount="1000000000000000000" stakingDuration={30} recipientAddress="0x..." />

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<AnySpendBuySpin>

Gaming-specific component for purchasing spin wheels or lottery tickets.
Gaming Spin Wheel
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpendBuySpin.tsx
<AnySpendBuySpin gameContract="0x..." spinPrice="100000000000000000" recipientAddress="0x..." />

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<AnySpendTournament>

Tournament entry payment component.
Tournament Entry
// https://github.com/b3-fun/b3/blob/main/packages/sdk/src/anyspend/react/components/AnySpendTournament.tsx
<AnySpendTournament tournamentId="tournament-123" entryFee="500000000000000000" recipientAddress="0x..." />

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Component Styling

All components come with default styling that can be customized using CSS variables:
Custom Styling
/* Override default styles */
.anyspend-modal {
  --anyspend-primary: #6366f1;
  --anyspend-secondary: #f3f4f6;
  --anyspend-border-radius: 12px;
}

​
Platform Support

ComponentReact WebReact Native
AnySpend✅✅
AnySpendNFTButton✅✅
AnySpendCustom✅✅
AnySpendNFT✅✅
Fiat onramp features✅❌

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Next Steps

Learn about Hooks

Discover React hooks for custom payment flows

See Examples

Browse real-world implementation examples

Error Handling

Learn how to handle errors gracefully