Gas

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 654 calls / 30d checked 2026-10-26

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 388 calls / 30d checked 2026-10-26

0.003 USDC per call per call

CrownBlock x402 REST usage

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

crownblock.lonestaroracle.xyz Other services 1 calls / 30d checked 2026-10-26

1 USDC per call per call

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 27 calls / 30d checked 2026-10-26

0.02 USDC per call per call

Gas snapshot (slow / standard / x402 REST usage

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 59 calls / 30d checked 2026-10-26

0.005 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 21 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Onchain Query API x402 REST usage

ENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (forward), or pass address to get that address's primary ENS name (reverse, forward-verified so spoofed reverse...

chain.cyberwarex.com Crypto & Payments 49 calls / 30d checked 2026-10-26

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 62 calls / 30d checked 2026-10-26

0.002 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 3 calls / 30d checked 2026-10-26

0.03 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 9 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Phoenix Zero L2 Health Oracle x402 REST usage

Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base...

rtt.phoenix-ai.work Other services 9 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Multichain Gas Oracle x402 REST usage

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

x402.professorsausages.com Data & Finance 4 calls / 30d checked 2026-10-26

0.02 USDC per call per call

Saylor Innovations On-Chain Data x402 REST usage

Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner

saylorinnovations.com Crypto & Payments 7 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Phoenix Zero Safe 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 Dev & Code 7 calls / 30d checked 2026-10-26

0.01 USDC per call per call

BizIntel API x402 REST usage

Queries foreign exchange currency pairings from the free Frankfurter database.

bizintel-api.hahavoid0.workers.dev Data & Finance 7 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 6 calls / 30d checked 2026-10-26

0.01 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 28 calls / 30d checked 2026-10-26

0.002 USDC per call per call

Ethereum gas price x402 REST usage

Ethereum gas price. Current gas price on Ethereum (eth_gasPrice): gas price, base fee and suggested priority fee in gwei, plus what a plain ETH transfer (21,000 gas) costs right now. Takes no input. Use before sending a...

agent-data-tools.revmesh2074.workers.dev Crypto & Payments 5 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Transaction simulation x402 REST usage

Dry-run a prospective smart-contract call or transaction without broadcasting it: executes eth_call and eth_estimateGas against the latest block over the same keyless multi-endpoint public RPC pool as /api/evm-rpc (ether...

agent402.tools Crypto & Payments 9 calls / 30d checked 2026-10-26

0.005 USDC per call per call

47620 Polygon Data API x402 REST usage

Trending polygon DEX pairs by 24h volume (top boosted tokens on DexScreener).

47620.xyz Data & Finance 2 calls / 30d checked 2026-10-26

0.02 USDC per call per call

ENTROPY.RIP x402 REST usage

Generate cryptographic random bytes

entropy.rip Web & Scraping 8 calls / 30d checked 2026-10-26

0.005 USDC per call per call

Live EVM Gas Price x402 REST usage

Read the current eth_gasPrice value from a supported public Base, Ethereum, or Arbitrum JSON-RPC endpoint.

ai-data-marketplace-1042299154756.us-central1.run.app Crypto & Payments 4 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Block receipts (one block, x402 REST usage

Every transaction receipt in one block, fetched as a single upstream read and summarized: tx count, succeeded vs failed, total gas used, total fees, log count, contract creations, tx-type mix - plus compact per-transacti...

agent402.tools Infrastructure 7 calls / 30d checked 2026-10-26

0.005 USDC per call per call

47620 Base Data API x402 REST usage

Header + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.

47620.xyz Productivity & Docs 7 calls / 30d checked 2026-10-26

0.005 USDC per call per call