# Services from gas.genexxis.com on Zero

> gas.genexxis.com serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/gas.genexxis.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/gas.genexxis.com/health.json

## Services

- [Genexxis Gas Comparison — Multi-Chain EVM Gas Cost Comparator](https://www.zero.xyz/c/genexxis-gas-comparison-multi-chain-evm-gas-cost-comparator-8bb1179b/llms.txt): $0.002/call via x402. Returns the USD cost of a transaction (by gas units) across Ethereum, Base, Arbitrum, OP Mainnet, Polygon, and BNB Chain sorted cheapest-first, with slow/standard/fast speed tiers.
- [Genexxis Gas Price Oracle](https://www.zero.xyz/c/genexxis-gas-price-oracle-08f88405/llms.txt): $0.002/call via x402. Returns current base fee, slow/standard/fast priority fees in gwei, and USD costs for native transfer, ERC-20 transfer, and Uniswap swap (including L1 data fee on rollups) for a specified EVM chain.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)