.env.example

# Lightwalletd Configuration
NEXT_PUBLIC_LIGHTWALLETD_HOST=lightwalletd.testnet.electriccoin.co
NEXT_PUBLIC_LIGHTWALLETD_PORT=9067

# Privacy: disable Next.js telemetry
NEXT_TELEMETRY_DISABLED=1

# NEAR Intents Explorer API — for reading historical swap data (flows, crosschain routes)
# Get from: https://docs.near-intents.org/near-intents/integration/distribution-channels/intents-explorer-api
NEAR_INTENTS_API_KEY=

# NEAR 1-Click Swap API — for executing swaps on /swap page (different key!)
# Get from: https://1click.chaindefuser.com (JWT token)
NEAR_ONECLICK_API_KEY=

# Solana RPC (Helius) — for wallet balance checks on /swap page
# Get free key at: https://www.helius.dev/
NEXT_PUBLIC_HELIUS_API_KEY=

# Zebra gRPC Indexer — for real-time mempool and block streaming
# Requires Zebra compiled with --features indexer and indexer_listen_addr set in zebrad.toml
# Leave empty to fall back to HTTP polling
ZEBRA_GRPC_URL=127.0.0.1:8230

# Optional: Analytics, etc.