Add or update one or more labels on a wallet profile. Labels tag wallets with custom attributes like VIP tier, airdrop eligibility, or verification status.
Workspace API key (e.g. formo_xxx). Create one in the Formo dashboard under Team Settings > API Keys.
Wallet address (EVM 0x... or Solana base58)
Label identifier (lowercased on write). e.g. vip, airdrop_eligible, coinbase.verified_account
Optional label value (e.g. tier name, country code, points)
Optional chain identifier the label applies to
Optional label source (defaults to 'import')
Labels upserted