Base

WhaleAlert x402 REST usage

Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis

whale.lonestaroracle.xyz Crypto & Payments 5 calls / 30d checked 2026-10-26

0.05 USDC per call per call

Base Token Verdict x402 REST usage

Token Risk Report: AI verdict on a Base token contract -- grade, red flags, on-chain facts. Not financial advice. Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated...

api.arysphere.com Data & Finance 22 calls / 30d checked 2026-10-25

0.01 USDC per call per call

Lending Rate Optimizer x402 REST usage

Discover what your assets could earn through lending—and where to find the strongest rates. Compare supported lending markets to find the best rates for the assets you hold and the amount you want to put to work.

api.alphabuild.xyz Data & Finance 22 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Gas tracker x402 REST usage

Current Base base fee, suggested priority fees and USD cost estimates for a transfer or an ERC-20 transfer.

xhagents.xyz Crypto & Payments 2 calls / 30d checked 2026-10-25

0.1 USDC per call per call

X402 check x402 REST usage

Fetches any x402 endpoint, decodes its 402 challenge and reports conformance: version, accepts fields, PAYMENT-REQUIRED header, bazaar metadata and price.

xhagents.xyz Crypto & Payments 2 calls / 30d checked 2026-10-25

0.1 USDC per call per call

Defi sentiment x402 REST usage

Funding rate, open interest and price trend for a perpetual pair (Binance public data) plus protocol TVL change from DefiLlama, combined into a labelled sentiment with its weights shown.

xhagents.xyz Data & Finance 2 calls / 30d checked 2026-10-25

0.1 USDC per call per call

dexswap-quote x402 REST usage

Non-custodial swap calldata for Base: give tokenIn, tokenOut, raw amountIn, slippage and recipient; we read Aerodrome and Uniswap V3 on-chain state, pick the max-output route, and return ready-to-sign transaction calldat...

api.agentstools.dev Crypto & Payments 4 calls / 30d checked 2026-10-25

0.05 USDC per call per call

Youtube auto ai x402 REST usage

YouTube Shorts automation with AI: queue → render → upload → notify. A 3x/day pipeline that takes product photos from Google Drive, renders a 720x1280 Shorts video with Ken Burns motion, uploads it to YouTube via the Dat...

xhagents.xyz Media & Creative 2 calls / 30d checked 2026-10-25

0.1 USDC per call per call

DataSieve x402 REST usage

Something you cannot do while your agent is dead: keep watching. One paid call buys 7 days of it — on-chain on Base (wallet activity, whale transfers, price crossings, new pools), a dead-man switch that fires when YOUR a...

api.datasieve.xyz Crypto & Payments 2 calls / 30d checked 2026-10-26

0.1 USDC per call per call

Verdix Address Risk x402 REST usage

Verdix: call before an agent sends funds to an EVM address on Base. Returns safe/caution/danger with reasons from OFAC sanctions, scam/phishing lists, address-poisoning lookalikes, burn-address and contract/deployer chec...

api.verdixapi.com Geo & Maps 10 calls / 30d checked 2026-10-26

0.02 USDC per call per call

Token Preflight x402 REST usage

Token Preflight: pre-trade safety check for a Base ERC-20 (buy/sell simulation, taxes, owner powers, liquidity, LP, holders, verification) with a shareable verdict card. Not investment advice.

seenly-token-preflight.vercel.app Data & Finance 9 calls / 30d checked 2026-10-25

0.02 USDC per call per call

NodeFlare x402 REST usage

Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive...

rpc.nodeflare.app Crypto & Payments 164 calls / 30d checked 2026-10-26

0.001 USDC per call per call

ChainScout x402 REST usage

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

chainscout.lonestaroracle.xyz Data & Finance 3 calls / 30d checked 2026-10-26

0.05 USDC per call per call

TokenLaunch x402 REST usage

New token launch scanner — Base and EVM chains, real-time pool data

launches.lonestaroracle.xyz Data & Finance 3 calls / 30d checked 2026-10-26

0.05 USDC per call per call

Preflight x402 REST usage

Call before installing packages suggested by a language model. Returns, for each npm or PyPI package name, whether it actually exists in the registry, whether it is deprecated or yanked, and — when the name is not found...

preflight402.com Dev & Code 3 calls / 30d checked 2026-10-26

0.05 USDC per call per call

Parallax x402 REST usage

The funnel, honestly, for one seller over the indexed window: settled USDC and purchases, distinct buyers, organic share after self-test exclusion, recurring buyers, buyer half-life and the facilitator mix.

parallax402.com Crypto & Payments 5 calls / 30d checked 2026-10-26

0.03 USDC per call per call

Kertivo Check: payment verify x402 REST usage

Payment verification for x402: verify a USDC transaction on Base — did this payment really settle, and did it pay the right address the right amount? Send a tx hash (or x402 authorization): confirmations, real-USDC trans...

paycheck.hectichustle.workers.dev Crypto & Payments 13 calls / 30d checked 2026-10-25

0.01 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

Checkpoint402 Tx Explainer x402 REST usage

Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.

api.checkpoint402.com Crypto & Payments 4 calls / 30d checked 2026-10-25

0.03 USDC per call per call

Token Risk & Honeypot Check x402 REST usage

Token risk / token safety check for Base and BSC (BNB Chain) tokens: honeypot detector via live buy/sell simulation (honeypot.is, cross-checked with GoPlus when available), buy tax / sell tax, contract security (mint, pa...

x402-btc-radar.jinli-x402.workers.dev Data & Finance 12 calls / 30d checked 2026-10-25

0.01 USDC per call per call

Quartermaster Wallet Report x402 REST usage

One-call Base wallet profile: USDC balance, recent USDC transfers in/out, EOA-vs-contract type, and x402 Bazaar merchant listings if the address is a payTo. Bundles four on-chain lookups into a single paid call.

quartermaster.surewhynot.app Crypto & Payments 3 calls / 30d checked 2026-10-26

0.04 USDC per call per call

VAPE x402 REST usage

VAPE dex_volumes — DEX trading volume on a chain by venue, each with its logo (default Base) — real trading activity across the chain's exchanges.

vape-x402.vapex402.workers.dev Data & Finance 12 calls / 30d checked 2026-10-26

0.01 USDC per call per call

token-risk x402 REST usage

Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no signup, no API key. Reports STRUCTURAL risk, not reputation: centralized-control powers (mint/pause/blacklist) a...

token-risk.com Crypto & Payments 12 calls / 30d checked 2026-10-26

0.01 USDC per call per call

x402-gateway x402 REST usage

Markdown Extractor: Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images. P...

x402.freeq.one Crypto & Payments 59 calls / 30d checked 2026-10-26

0.002 USDC per call per call