your list of supported chains doesn’t match Web2Api list
- 
Chains:
 - 
AVAX_MAINNET: “0xa86a”
 - 
AVAX_TESTNET: “0xa869”
 - 
BSC_MAINNET: “0x38”
 - 
BSC_TESTNET: “0x61”
 - 
CRONOS_MAINNET: “0x19”
 - 
CRONOS_TESTNET: “0x152”
 - 
ETH_GOERLI: “0x5”
 - 
ETH_KOVAN: “0x2a”
 - 
ETH_LOCALDEVCHAIN: “0x539”
 - 
ETH_MAINNET: “0x1”
 - 
ETH_RINKEBY: “0x4”
 - 
ETH_ROPSTEN: “0x3”
 - 
FANTOM_MAINNET: “0xfa”
 - 
POLYGON_MAINNET: “0x89”
 - 
POLYGON_MUMBAI: “0x13881”
 
ETH_LOCALDEVCHAIN is listed… the api still says it’s an invalid chain id
      
    