> For the complete documentation index, see [llms.txt](https://docs.arrng.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arrng.io/fee.md).

# Fee

arrng charges a small fee in native token (e.g. ETH) for every successful response. The current fee for each chain is as follows. (Note that sufficient native token for the reponse gas must also be passed with the call).

| Chain            | Fee          |
| ---------------- | ------------ |
| Ethereum mainnet | 0.0005 ETH   |
| Arbitrum One     | 0.0005 ETH   |
| Optimism         | 0.0005 ETH   |
| Polygon          | 2 MATIC      |
| Ethereum Sepolia | 0.0005 ETH   |
| Blessnet         | 0.0005 BLESS |
| Blessnet Sepolia | 0.0005 BLESS |