Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
blocks | number | null | 20 |
chain | string | null | ethereum |
Service overview
Multi-chain EVM gas snapshot via direct RPC eth_feeHistory across 17 chains (Ethereum, Base, Optimism, Arbitrum, Polygon, Avalanche, BSC, Gnosis, Fantom, Linea, Scroll, Blast, Mode, opBNB, Celo, zkSync, Mantle) — slow/standard/fast EIP-1559 tiers, current base fee, latest block, median fullness. For agent fee estimation and cross-chain tx scheduling.
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
npx awal x402 pay "https://evm-gas.apitoll.cloud/v1/evm/gas" \
--query '{
"blocks": "{blocks}",
"chain": "{chain}"
}'{
"endpoint": "GET /v1/evm/gas",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
1 crawlable route
| Parameter | Type | Default | Example |
|---|---|---|---|
blocks | number | null | 20 |
chain | string | null | ethereum |
FAQ
Service
NFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC)
Service
Professional image generation via fal.ai. Default model: OpenAI GPT Image 2 (typography, realism). Alternative: Google Nano Banana Pro. Pricing mirrors Otto AI's ACP at-cost flat fee of $1.00 per image (no refund in x402 — dynamic pricing coming in v2). Supports image editing via public image URL.
Service
Exa /contents endpoint