Gas

CrownBlock x402 REST usage

US oil and gas — WTI Brent Henry Hub refined products basin production rig count

crownblock.lonestaroracle.xyz Other services 2 calls / 30d checked 2026-11-13

1 USDC per call per call

Ethereum Gas Price Oracle x402 REST usage

Ethereum gas price oracle. Returns the current Ethereum gas price as an EIP-1559 base fee plus priority-fee estimates across five confidence tiers, all in gwei, so an agent can price a transaction before it signs one. Et...

api.kadec0.xyz Crypto & Payments 46 calls / 30d checked 2026-11-13

0.02 USDC per call per call

base-gas-x402 x402 REST usage

Current gas price on Base and what a transaction costs in USD right now: base fee, priority tiers, ready-to-sign maxFeePerGas.

base-gas-x402-production.up.railway.app Crypto & Payments 455 calls / 30d checked 2026-11-13

0.002 USDC per call per call

TickersFeed x402 REST usage

Real-time or 15-min delayed stock quote and share price for any US equity ticker — current price, open/high/low/close (OHLC), previous close, and percent change as JSON. Covers NYSE, NASDAQ, AMEX (8,400+ stocks and ETFs)...

api.tickersfeed.net Data & Finance 290 calls / 30d checked 2026-11-13

0.003 USDC per call per call

Plainsight x402 REST usage

Plainsight's x402 market intelligence (flagship): what x402 agents actually PAY for, measured from the Bazaar's own 30-day usage — ranked by distinct buyers (not looping volume), the price split that clears (sub-$0.10 vo...

shop.obols.net Crypto & Payments 3 calls / 30d checked 2026-11-13

0.25 USDC per call per call

DevX Base Tx Preflight x402 REST usage

Preflight any Base transaction before you sign it: simulates the call against latest state (success or decoded revert reason), estimates gas with a safe limit, and prices the full fee (L2 execution + L1 data upper bound)...

preflight.madebydevx.com Crypto & Payments 1 calls / 30d checked 2026-11-13

0.5 USDC per call per call

Gas snapshot x402 REST checked

Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled from eth_feeHistory (last 4 blocks, 25th/50th/90th percentile priority fees). Use to estimate before broadcast...

agent402.tools Data & Finance 77 calls / 30d checked 2026-11-10

0.005 USDC per call per call checked

ArbiPulse x402 REST usage

Stablecoin parallel-rate premium — how far the street price of a digital dollar (per-venue USDT quotes) diverges from the official FX rate in capital-controlled economies: venue table, median street rate, premium %, sign...

arbipulse.theaslangroupllc.com AI Models & Inference 18 calls / 30d checked 2026-11-13

0.02 USDC per call per call

Gas x402 REST usage

Gas sponsorship for one ERC-4337 user operation on Base (EntryPoint v0.8). Price = max($0.03, 1.3× the op's gas cap); this is the floor — send your user operation to get the exact quote. Bodies this URL accepts: {sender,...

api.liquidagent.ai Crypto & Payments 9 calls / 30d checked 2026-11-13

0.03 USDC per call per call

Vibe Springs x402 REST usage

Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.

vibesprings.net Data & Finance 121 calls / 30d checked 2026-11-13

0.002 USDC per call per call

Phoenix Zero L2 Health Oracle x402 REST usage

Health of 12 monitored chains (11 L2 and Casper L1; names in `chains`). Returns P99/P95 RTT from RPC probes (eBPF kernel RTT: separate field, not in the verdict), revert ratios (Base and Arbitrum via eth_getBlockReceipts...

rtt.phoenix-ai.work Infrastructure 18 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Fee & Gas Tracker x402 REST checked

Gas tracker and mempool monitor — average fee over the last 20 blocks, burn rate and live network congestion level. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and ba...

amanchain-relay.gitajhd.workers.dev Crypto & Payments 17 calls / 30d checked 2026-11-12

0.007476 USDC per call per call checked

Multichain Gas Oracle x402 REST usage

Chainlink native-token USD prices (ETH/BNB/POL) with round metadata

x402.professorsausages.com Data & Finance 5 calls / 30d checked 2026-11-13

0.02 USDC per call per call

stall-row x402 REST usage

Fetch one web page and return its main content as clean Markdown with title and word count, extracted server-side. Private and loopback targets are refused. Use this when an agent needs to read a page inside a workflow w...

stall-row-production.up.railway.app Web & Scraping 10 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Phoenix Zero Safe-to-Send Check x402 REST usage

Boolean pre-flight check for L2 transaction safety across all 12 chains (?chain= param, default: base). Returns safe=true/false with reason code. Revert ratio data available for Base and Arbitrum only (eth_getBlockReceip...

rtt.phoenix-ai.work Data & Finance 10 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Crypto wallet and chain data x402 REST usage

Turn an ENS name like vitalik.eth into a wallet address, or label a raw address with its ENS name. Reverse names are checked both ways, so a faked reverse record is rejected. Read from the ENS registry on Ethereum. 0.003...

chain.cyberwarex.com Crypto & Payments 31 calls / 30d checked 2026-11-13

0.003 USDC per call per call

Oblique Markets x402 REST usage

Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.

api.oblique.markets Other services 41 calls / 30d checked 2026-11-13

0.002 USDC per call per call

Base gas history, gas price x402 REST usage

Base gas history, gas price. Gas price history on Base (eth_feeHistory): base fee in gwei for each of the last N blocks (5-100, default 20), how full each block was, and the 10th, 50th and 90th percentile priority fees,...

agent-data-tools.revmesh2074.workers.dev Search & Research 8 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Sift Web Tools x402 REST usage

Find a site's RSS/Atom feeds and return the latest items. Discovers RSS or Atom feeds for a site or page and returns the latest items with title, link, date and summary.

sift.srv1996466.hstgr.cloud Productivity & Docs 36 calls / 30d checked 2026-11-13

0.002 USDC per call per call

Estimate gas, Arbitrum x402 REST usage

Estimate gas, Arbitrum. Estimate the gas a transaction would use on Arbitrum One (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for...

agent-data-tools.revmesh2074.workers.dev Other services 7 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Arbitrum gas history, gas price x402 REST usage

Arbitrum gas history, gas price. Gas price history on Arbitrum One (eth_feeHistory): base fee in gwei for each of the last N blocks (5-100, default 20), how full each block was, and the 10th, 50th and 90th percentile pri...

agent-data-tools.revmesh2074.workers.dev Search & Research 7 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Estimate gas, Ethereum x402 REST usage

Estimate gas, Ethereum. Estimate the gas a transaction would use on Ethereum (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a co...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 7 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Ethereum gas history, gas price x402 REST usage

Ethereum gas history, gas price. Gas price history on Ethereum (eth_feeHistory): base fee in gwei for each of the last N blocks (5-100, default 20), how full each block was, and the 10th, 50th and 90th percentile priorit...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 7 calls / 30d checked 2026-11-13

0.01 USDC per call per call

Estimate gas, Optimism x402 REST usage

Estimate gas, Optimism. Estimate the gas a transaction would use on Optimism (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a co...

agent-data-tools.revmesh2074.workers.dev Other services 7 calls / 30d checked 2026-11-13

0.01 USDC per call per call