Widget
Chain gas fees
Display the current base gas fee in gwei for any major EVM chain. Ethereum, Polygon, Arbitrum, Optimism, Base, and BSC. Updates on demand so you always know when fees are low.
What it is for
Use this widget to keep gas fees visible without switching tabs or apps. Useful for DeFi traders timing transactions, developers running scripts that batch transactions, or anyone who wants a quick glance at network congestion. The chart mode shows how gas has trended over recent checks.
How to add it
- Click + Add widget on any page.
- Select Chain Gas from the widget picker. Preset options for each chain appear as direct-add buttons.
- Click a chain to add it immediately, or choose a chain from the form.
- Save. The widget shows the current gas fee immediately.
Supported chains
| Chain | Source | Method |
|---|---|---|
| Ethereum | Alchemy | EIP-1559 base fee |
| Polygon | Alchemy | EIP-1559 base fee |
| Arbitrum | Alchemy | EIP-1559 base fee |
| Optimism | Alchemy | EIP-1559 base fee |
| Base | Alchemy | EIP-1559 base fee |
| BSC | Public RPC | eth_gasPrice |
Configuration
| Field | Description |
|---|---|
| Label | Display name on the widget. |
| Chain | Select from the supported list. |
| Refresh interval | How often to check. Default is 1 minute. |
Display options
- Text — current fee in gwei (default).
- Line chart — gas fee history over time.
- Bars — bar chart of recent fees.
- Histogram — distribution of historical fees.
Credit cost
0.02 credits per check
At the default 1-minute interval: ~28.8 credits/day per widget.
Text
ETH Gas
0.1420 gwei
09:18 PM · 1m·Gas · Ethereum
Chart
ETH Gas
0.1420 gwei
09:18 PM · 1m·Gas · Ethereum