Base

Base Address Nonce x402 REST

Transaction count (nonce) for a Base address, latest and pending.

x402-data-api.sigrunner.workers.dev Geo & Maps checked 2026-10-27

0.001 USDC per call per call

Base ERC-20 Allowance Checker x402 REST

ERC-20 allowance(owner, spender) on Base, raw + formatted, flags unlimited approvals.

x402-data-api.sigrunner.workers.dev Crypto & Payments checked 2026-10-27

0.002 USDC per call per call

Base Block Summary x402 REST

Base block summary by number or latest: hash, timestamp, tx count, gas used/limit, base fee.

x402-data-api.sigrunner.workers.dev Productivity & Docs checked 2026-10-27

0.001 USDC per call per call

Base Block Number Oracle x402 REST

Current Base mainnet block number. Lightest endpoint — single eth_call.

x402-data-api.sigrunner.workers.dev Other services checked 2026-10-27

0.001 USDC per call per call

Base Gas Price Oracle x402 REST

Current Base mainnet gas price (wei/gwei), EIP-1559 base/priority fees, gas_price_usd. One-call light.

x402-data-api.sigrunner.workers.dev Other services checked 2026-10-27

0.001 USDC per call per call

Base ETH Balance Oracle x402 REST

ETH balance of a Base mainnet address, incl. balance_usd.

x402-data-api.sigrunner.workers.dev Geo & Maps checked 2026-10-27

0.001 USDC per call per call

Base ERC-20 Balance Oracle x402 REST

ERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_formatted.

x402-data-api.sigrunner.workers.dev Data & Finance checked 2026-10-27

0.001 USDC per call per call

Base Transaction Oracle x402 REST

Transaction details by hash on Base mainnet.

x402-data-api.sigrunner.workers.dev Other services checked 2026-10-27

0.001 USDC per call per call

Base Transaction Receipt Oracle x402 REST

Transaction receipt by hash on Base mainnet — status, gas used, full logs, L1 fee breakdown.

x402-data-api.sigrunner.workers.dev Infrastructure checked 2026-10-27

0.001 USDC per call per call

Base Wallet Bundle x402 REST

Wallet bundle: ETH balance + balance_usd + tx count + contract-code check for a Base mainnet address, in one call.

x402-data-api.sigrunner.workers.dev Crypto & Payments checked 2026-10-27

0.003 USDC per call per call

Base Swap Gate x402 REST

Pre-trade GO / HOLD / BLOCK gate for an agent about to swap into a Base token: honeypot sim, upgradeability, ownership, liquidity checks in one call.

x402-data-api.sigrunner.workers.dev Crypto & Payments checked 2026-10-27

0.008 USDC per call per call

Base Token Trade-Safety Report x402 REST

Decision-grade token trade-safety report for a Base ERC-20: security flags, risk score, verdict and rationale.

x402-data-api.sigrunner.workers.dev Data & Finance checked 2026-10-27

0.02 USDC per call per call

Base Token Security Scanner x402 REST

Token security / honeypot detector for a Base ERC-20: proxy/upgradeability check, mint/pause/blacklist/fee-setter bytecode scan, ownership check, honeypot simulation. Risk score + verdict + flags.

x402-data-api.sigrunner.workers.dev Security checked 2026-10-27

0.009 USDC per call per call

Base Contract-Code Checker x402 REST

Contract-code check for a Base mainnet address (is_contract + code size + EIP-7702 delegated-EOA detection).

x402-data-api.sigrunner.workers.dev Dev & Code checked 2026-10-27

0.001 USDC per call per call

Base ERC-20 Total Supply x402 REST

ERC-20 total supply on Base (raw + formatted, with symbol and decimals). Use when an agent needs a token supply base for market-cap or dilution math.

x402-data-api.sigrunner.workers.dev Data & Finance checked 2026-10-27

0.003 USDC per call per call

Base Contract Storage Slot x402 REST

Raw storage slot (eth_getStorageAt) of a Base contract. Use when an agent needs proxy implementation/admin slots or raw contract state.

x402-data-api.sigrunner.workers.dev Search & Research checked 2026-10-27

0.002 USDC per call per call

Token snapshot x402 REST

Base ERC-20 token market snapshot: up to ten DEX Screener trading pairs ranked by USD liquidity, with pair price quotes, 24-hour volume and buy/sell counts, price changes, on-chain contract metadata, and GoPlus risk flag...

base-token-snapshot-20261010.genial-clove-9914.chatgpt.site Data & Finance checked 2026-10-27

0.01 USDC per call per call

moneyman_kit x402 REST

EIP-3009 authorization state: was this USDC transferWithAuthorization nonce already used? Safe-retry check for agents that pay over x402.

moneyman-kit-x402-0sd6av.openpouch.sh Crypto & Payments checked 2026-10-27

0.005 USDC per call per call

x402-crosschain-gas x402 REST

Stop opening five explorers to price one transaction: one GET returns what each chain is charging for gas right now — for base, eth, arbitrum, optimism and polygon: the current gas price in gwei (with the raw wei the RPC...

x402-catalog-history.ai-business-surface.workers.dev Crypto & Payments checked 2026-10-27

0.001 USDC per call per call

Base network status x402 REST

Read the current Base gas price and latest block number through two independent public RPC providers

proofwork-the402-webhook.phase-voice.workers.dev Crypto & Payments checked 2026-10-27

0.001 USDC per call per call

ExactGate x402 Validator x402 REST

Current Base chain ID, block height, gas price, block timestamp, and RPC latency.

exactgate-x402.insertnameheree.chatgpt.site Crypto & Payments checked 2026-10-27

0.001 USDC per call per call

Claw Hunter x402 REST

Buy prepaid credits for an AI gateway covering chat, image, and video models, paid in USDC or USDG at $1 per credit. Send {usd} with your API key (keys at mystudios.fun/account), then call any paid endpoint with the key...

mystudios.fun Crypto & Payments checked 2026-10-27

3 USDC per call per call

Penger VerifyOracle x402 REST

Curated feed of active, verified cash/crypto coding and agent bounties across GitHub, Frantic, and SwarmMemo.

penger-oracle.run402.com Dev & Code checked 2026-10-27

0 USDC per call per call

VerifyOracle x402 REST

Curated feed of active, verified cash/crypto coding and agent bounties across GitHub, Frantic, and SwarmMemo.

verify-oracle.run402.com Dev & Code checked 2026-10-27

0 USDC per call per call