Cloudflare Worker: Token Icon API

A Cloudflare Worker that returns token/chain icons given a chain ID and contract address or symbol.

Parameters

Param	Required	Description
chainId	yes	EVM chain ID (e.g. 1, 8453)
address	no*	Token contract address, or 0 for native token
symbol	no*	Token symbol (e.g. USDC)
png	no	Set to true to convert SVG icons to PNG
bust	no	Set to true to bypass cache and re-fetch

*At least one of address or symbol is required.

Fallback Chain

Address only — address=0x...

1. web3icons (by address)
2. TrustWallet (by address)

Symbol only — symbol=USDC

1. Alexandria (by symbol)
2. web3icons (by symbol)

Both — address=0x...&symbol=USDC

1. web3icons (by address)
2. TrustWallet (by address)
3. Alexandria (by symbol)
4. web3icons (by symbol)

Native token — address=0

1. TrustWallet chain logo
2. Alexandria chain SVG

Usage

GET /?chainId=1&address=0x6B175474E89094C44Da98b954EedeAC495271d0F
GET /?chainId=1&symbol=USDC
GET /?chainId=1&address=0x6B175474E89094C44Da98b954EedeAC495271d0F&symbol=DAI
GET /?chainId=1&address=0&bust=true
GET /?chainId=1&symbol=USDC&png=true