Roundhouse
Onchain Data

Gas price

Read the current gas price for a chain. Priced per read.

Spot price
$0.0038per read
call-weighted across 231 of 268 priced endpoints
Spread
100×
cheapest to dearest
Providers
139
155 hosts
Endpoints
277
236 answered last probe
Where the offers sitLog scale. The shaded band is the middle half of the market, $0.0020 to $0.010.
$0.0010$0.100

Every supplier below carries its index against that rate: 100 is spot, 40 is 60% below it, 310 is 3.1× it. Spot is weighted by how often each endpoint is called, so one wallet listing forty near-identical endpoints cannot move it on listings alone. The cheapest offer here is $0.0010 and the dearest $0.100.

Canonical request
chainstringCAIP-2 chain id.
Canonical response
chainstringThe chain read.
base_fee_gweinumberCurrent base fee in gwei.
priority_fee_gwei?numberSuggested priority fee in gwei.
as_ofstringISO 8601 observation time.

542 endpoints offering this capability, from 139 wallets

EndpointIndexLast called
Unichain gas history, gas price
agent-data-tools.revmesh2074.workers.dev/unichain/gas-history$0.01026531Live3d ago
zkSync block number
agent-data-tools.revmesh2074.workers.dev/zksync/block$0.01026531Live3d ago
zkSync Era gas price
agent-data-tools.revmesh2074.workers.dev/zksync/gas$0.01026531Live3d ago
zkSync gas history, gas price
agent-data-tools.revmesh2074.workers.dev/zksync/gas-history$0.01026531Live3d ago
eth-chain-stats
agentdatum.com/api/v1/d/eth-chain-stats$0.01026572Live73d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/base/gas$0.01026511Live20d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/arbitrum/gas$0.01026511Live32d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/avalanche/gas$0.01026511Live32d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/bnb/gas$0.01026511Live32d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/gas$0.01026511Live32d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/optimism/gas$0.01026521Live20d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/polygon/gas$0.01026521Live20d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/unichain/gas$0.01026521Live20d ago
DDG Agent-Payable Services
agents.daedalusdevelopmentgroup.com/v1/chains/worldchain/gas$0.01026531Live20d ago
AgentsToolsHub
agentstoolshub.com/api/v1/crypto/gas-fee-calculator$0.01026562Live20d ago
agentx.sale
agentx.sale/x402/gas-check$0.01026522Live13d ago
x402 Gas Price Oracle
agentx402pay.com/api/gas-price$0.01026543Live8d ago
Live EVM Gas Price
ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/gas_oracle$0.01026511Live21d ago
energy-natural-gas
api.agentstools.dev/energy/natural-gas$0.01026511Live32d ago
api.glianalabs.com
api.glianalabs.com/x402/tools/gas-price$0.01026511Live27d ago
api.myceliasignal.com
api.myceliasignal.com/oracle/gas/base$0.01026522Live13d ago
api.myceliasignal.com
api.myceliasignal.com/oracle/gas/ethereum$0.01026522Live13d ago
api2ls.com
api2ls.com/api/gas$0.01026555Live13d ago
automatom.matt-d59.workers.dev
automatom.matt-d59.workers.dev/evm-gas$0.010265——Live—
Atlas Text Analysis
backpedal-discourse-easeful.ngrok-free.dev/gas$0.01026522Live34d ago

Reading this table

Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will pick the best provider of this capability over the free read API. No key, no account.

GET roundhouseai.io/unified.json?capability=gas-price

Open skill.md
Show the prompt
Using Roundhouse, compare every x402 provider of Gas price and pick one for me.
Weigh the price per unit against whether the endpoint answered when last probed, and say
what the cheapest option would cost against the median.

curl -s 'https://roundhouseai.io/unified.json?capability=gas-price'

The canonical request and response in that document are the shape every provider is
mapped onto. Before paying, check the provider's record and read the live 402:
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet on the offer you choose>'

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.