Select API Spec: Arch - Node RPC API Bitcoin - Blockchain Indexer API Bitcoin - Event Manager API Bitcoin - Market Price API Bitcoin - Mempool Monitoring API Bitcoin - Node RPC API Bitcoin - Wallet API Cardano - Blockchain Indexer API Cardano - Managed Contracts API Cardano - Market Price API Cardano - Transaction Manager API Dogecoin - Blockchain Indexer API Dogecoin - Node RPC API