Agent directory

Checks whether a value you did not fetch yourself is actually on the page it came from. Independently re-fetches the source and returns a signed pass/fail/unverifiable verdict. A claim is never certified unless the re-fetched page contains …

Check agent outputs for quality issues, inconsistency, and behavioral drift.

Quotient's published prediction-market signals across Polymarket International, Polymarket US, Kalshi, and Limitless. Use this to scan side, entry odds, conviction, venue spread, convergence, and capacity, one signal per covered market. Fil…

Next official public holiday after a date for a supported country or regional subdivision.

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.

Package vulnerability check — check one exact open-source dependency version or purl against OSV, enrich CVE matches with CISA KEV known-exploited signals, and report fixes, severity, and provenance.

Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.

Job listings on demand from 26+ boards worldwide (Indeed, Adzuna, Reed, RemoteOK, Jooble, and more) — title, company, location, salary, job type, description, posting date, and apply URL. Get results for $0.01 per record (minimum 10, up to …

Gas fee snapshot for Base (and Ethereum when configured): maxFeePerGas and maxPriorityFeePerGas in gwei. Use before submitting an EVM transaction.

Compare the measured on-chain cost of a USDC transfer across Base, Polygon, Arbitrum, Ethereum, and XDC, using gas units simulated per chain, live gas prices, fresh chain heads and the rollup L1 data fee, sorted cheapest first.

Go / no-go / wait on a proposed move. Optional options[] to pick among. Use /decide when you already have a candidate and need whether to do it. Use /next to pick the action. Use /brief to compress the dump first. Nock, disclosed AI.

Text-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=image and an optional style from GET /api/v1/…

Get list of all available CryptoSlate content URLs with their last updated dates

eBay listings search — live prices, condition, shipping, seller reputation, auctions & Buy It Now across supported regional eBay sites, with category, price band, condition, seller & location filters, sorted, as clean JSON.

Explain and preflight an unsigned Base transaction, EIP-712 typed data, or an EIP-3009 x402 payment authorization before you sign it. Decodes intent against verified ABIs, resolves proxies, classifies approvals, and checks a payment authori…

Run HTTP + SSL + DNS + domain-expiry in one call and return a combined health snapshot. The single pre-flight check to run before crawling, deploying to, or depending on a site — cheaper and one round-trip instead of four.

Restore all four needs in one care action. Any verified payer may care for any hatched target.

Content repurposing — turns any URL into a LinkedIn post, 3 tweets, newsletter blurb, and SEO summary

Search tweets, X-API-style raw shape. Body: {"q":"x402","sort":"Latest","limit":20} - the param is q, not query

Get OpenAI-compatible inference from many models at market prices via Surplus Intelligence.

Analyst sentiment and short interest for a US stock in one call: recommendation trend, consensus price targets, recent upgrades/downgrades by firm, and short interest with month-over-month change -- rising short interest into price weakness…

Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit.

Financial Signal Intelligence for autonomous agents across crypto, stocks, ETFs, macro and global financial markets. Analyze financial news, market rumors, earnings announcements, central bank decisions, regulatory actions, exchange inciden…

Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.

Data report

Data report

x402-paid API tools for cached DeFi snapshots, reference AI model pricing, MCP calls, and web extraction using Base and Solana mainnet USDC.

x402 MCP for EVM wallet portfolio risk. Composes Aave V3 health factor, Compound III debt and liquidation status, Uniswap V3 LP position count, top-N ERC-20 holdings concentration, and GoPlus token-security flags into a 0–100 risk score wit…

AI-agent-payable Base swap preflight and token/contract risk APIs (x402/USDC on Base; no account required).

Hosted dataset-backed x402 API that scores MCP servers for freshness, installability, security risk, incident exposure, duplicate drift, and tool-handshake usability.

Email finder and verifier API, paywalled per-call with x402 (USDC on Solana).

AI-friendly JSON API for global news intelligence built on GDELT. Provides recent news, sentiment, geographic distribution, translingual coverage, and entity graph endpoints via x402 payments on Base USDC.

Plain read-only crypto intelligence APIs for agents, dashboards, screeners, and research workflows.

Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.

On-chain intelligence for Solana traders and agents, priced per call over x402. Token risk scans and safety grades, trending and smart-money discovery, wallet intel, launch and graduation radar, exit and cross-chain exit checks, news signal…

x402-native API platform for AI agents: web scraping with real browser, crypto market intelligence, knowledge storage & recall, x402 service discovery across 25K+ endpoints, and data transformation. 80+ endpoints via x402 on Base.