Fantom (FTM) API Error: Missing or unsupported chainid parameter (required for v2 api), please see https://api.etherscan.io/v2/chainlist for the list of supported chainids (200)
complete
Jack
When I try to sync my Fantom wallet using my public key, I get an error:
API Error: Missing or unsupported chainid parameter (required for v2 api), please see https://api.etherscan.io/v2/chainlist for the list of supported chainids (200)
And no transactions import
Workaround
Fantom was shut down after migration to Sonic and is no longer available via most data sources. Our dev team is investigating if there's any alternative data source we can use to sync historical data from this blockchain.
We do not know of any 3rd party paltform offering CSV exports - neither ftmscout nor explorer.fantom.network offer one
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