approve_token_spending
Authorize a spender address to use your ERC20 tokens on EVM-compatible networks. Input private key, token and spender addresses, and amount to enable interactions with DeFi protocols.
Instructions
Approve another address (like a DeFi protocol or exchange) to spend your ERC20 tokens. This is often required before interacting with DeFi protocols.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| amount | Yes | The amount of tokens to approve in token units, not wei (e.g., '1000' to approve spending 1000 tokens). Use a very large number for unlimited approval. | |
| network | No | Network name (e.g., 'ethereum', 'optimism', 'arbitrum', 'base', 'polygon') or chain ID. Defaults to Ethereum mainnet. | |
| privateKey | Yes | Private key of the token owner account in hex format (with or without 0x prefix). SECURITY: This is used only for transaction signing and is not stored. | |
| spenderAddress | Yes | The contract address being approved to spend your tokens (e.g., a DEX or lending protocol) | |
| tokenAddress | Yes | The contract address of the ERC20 token to approve for spending (e.g., '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' for USDC on Ethereum) |