Every agent-payable API.

Base network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block details.

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

Demo: weather-driven delay-risk score for 5 fixed US locations. Same schema as the full /api/delay-risk endpoint. Try before you buy.

Global seismic event monitoring and earthquake intelligence database. Search and filter recent earthquakes within a specified radius from any coordinate center. Returns Richter magnitude scale ratings, hypocenter depth, geographic distance, and exact occurrence timestamps for emergency response, disaster tracking, and tectonic research.

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

Fiat currency converter and international pricing calculator. Perform instant conversions for any base amount between 30+ fiat currencies with official real-time ECB rates. Returns the exact converted sum, forward exchange rate, and the inverse exchange rate for clear cross-currency financial auditing.

Hydrological risk and flood forecasting database. Access real-time and projected river discharge rates in cubic meters per second (m³/s) for any location worldwide. Includes hydrological safety thresholds, risk index projections, and climate trend intelligence for maritime logistics, insurance modeling, and disaster prevention.

API endpoint health checker and x402 compatibility scanner. Provide target url to fetch and check if it correctly implements the HTTP 402 payment flow, and extract its pricing requirements.

High-fidelity weather forecast up to 16 days. Returns detailed daily projections including maximum/minimum temperatures, precipitation probability percentage, total rainfall, wind speeds, maximum UV index, and weather condition codes for any city or location globally. Ideal for logistics, travel, agriculture, and outdoor activity planning.

Foreign exchange (Forex) rate database sourced from the European Central Bank (ECB). Access real-time spot rates, historical currency matrices, and cross-rate charts for over 30 global fiat currencies (including USD, EUR, GBP, JPY, CAD, CHF, AUD). Ideal for international billing, accounting ledger reconciliations, and currency pricing calculators.

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

Deterministic synthetic social media feed generator for AI agent testing and development. Simulates KOL postings with tunable sentiment.

Deterministic scenario stream generator for AI trading agent stress-testing. Simulates chronological event ticks (hype cycle, FUD cascade, etc.) with progressive step values.

Returns verified, citation-backed facts about new AI model releases, benchmark scores, and protocol changes, each with source URLs and confidence.

Returns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. VPIN measures volume-synchronized order-flow imbalance (an adverse-selection proxy, not a probability); see excessVpin. Discovery examples use the latest 30m window.

Is this salary at or above the statutory minimum wage? Verdict + margin + instrument

Unified wallet intelligence (POST wrapper, body: {wallet}) — $0.005 USDC

Wallet intelligence: EOA-vs-contract, ETH+USDC balance, tx count, activity/risk flags.

Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.

Lists the NFT collections a Base wallet holds — name, count and floor value — spam-filtered, via Covalent. For agents profiling a wallet's NFT exposure.

Crypto wallet sanctions & compliance screening (AML/KYT): screen any EVM/Solana/Bitcoin/Tron/XRP wallet against the official OFAC SDN crypto list (UN/UK declared) with mixer (Tornado Cash) exposure and wallet age, returning PASS/WARN/BLOCK and a cryptographically SIGNED compliance receipt (list-version-pinned, verifiable offline) for audit. OFAC wallet check, travel-rule / KYT counterparty screening with an auditable attestation an agent can keep.

Wallet risk pre-flight (POST wrapper, body: {wallet}) — OFAC + address-reputation → allow/review/block. $0.02 USDC.

Look up the native coin balance (ETH/MATIC) plus every ERC-20 holding for a wallet address on Ethereum, Base, Polygon, Arbitrum, or Optimism. Returns clean decimal balances (already scaled by token decimals) plus symbol and contract - ready to display in a UI or feed into a portfolio tool.

Return the most recent asset transfers (incoming + outgoing) for a wallet address - native coin, ERC-20, ERC-721, ERC-1155 - already merged and sorted newest first. Each row carries the block, tx hash, counterparty, asset, and decimal value. Cap is 100 per direction; widen the window via `fromBlock` if you need deeper history.

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

Real-time current weather conditions for a city or location, including temperature, humidity, precipitation, wind, and a human-readable condition.

Fetch any public web page and return clean main content as JSON: title, author, publish date, hostname, excerpt, full text, and word_count. Boilerplate (nav, ads, footers) is stripped. Input: url (public http/https). Use to read articles, docs, or pages and feed clean text to an LLM.

Read a web page and extract content as markdown with screenshot

Web Search — an agent-callable web search service, payable over x402 (USDC on Base). Provided via store.agentexchange.work. Priced around 0.004 USD per call.

Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).

Read any web page or article: fetch up to 5 URLs in one batch call and extract the main content as clean, LLM-ready markdown or plain text. Convert webpages to markdown, scrape page text, pull article content for RAG ingestion and AI agent context.

Deep web research for AI agents — advanced search returning the highest-relevance results with multiple query-focused snippets per source, plus an optional LLM-generated answer grounded in the returned sources when include_answer is set. One-call research assistant for high-precision queries; news and finance topics, date and domain filters.

Web search returning URLs, titles, and descriptions

List your wallet's scratchpads: names, sizes, updated and expiry dates. The cheap 'do I have memory here?' call for the start of a session.

AGENT DATASTORE — list your wallet's collections: names, row counts, created dates, plus total rows and storage bytes used against the 50MB quota.

Cheapest liveness ping: ONE request to any public URL — is anything answering, and how fast? Returns up/down, HTTP status, and latency in ms. Any HTTP response below 500 counts as up; redirects are reported, not followed. High-frequency monitoring loops belong here; step up to /api/uptime for redirect following and headers, /api/uptime/report for the full timing/TLS/CDN report.

Fetch any public web page and return its main content as clean Markdown, ready to feed to an LLM. Boilerplate (nav, ads, footers) stripped. Input: url (public http/https). Returns {url, markdown, word_count}.

Historical performance by day of week (avg return + win rate per weekday) over the lookback. Use to time entries/exits around statistically stronger or weaker days. Seasonality, not a forecast.

Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).

Flow, not snapshot: the largest transfers of a Base token in the last 24h, classified by whether whales are sending INTO DEX pools (sell pressure) or pulling OUT (accumulation) — a net sell-pressure read that decays in hours. Complements holder-forensics ('who could dump') with 'is anyone dumping now'. CDP-indexed events.

Whale monitor: mempool transfers over 50 BTC — flat $0.001 per call, USDC on Base, no signup.

Which x402 services actually deliver — every one paid-tested with real USDC, receipts on-chain.

Whole-market snapshot: total crypto market cap, total 24h volume, BTC dominance, and counts of active coins and markets. One call for the macro state of crypto — the top-of-funnel context before drilling into an asset.

Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.

Get today's curated Word of the Day (definition + part of speech).

Working days in a date range: weekends + public holidays applied, next working day

Fetch a World Bank indicator time series for a country (e.g. GDP, inflation, unemployment, population). Open data, no key. ?country=US&indicator=NY.GDP.MKTP.CD&startYear=2018&endYear=2022

Wrapped-BTC parity monitor on Base: WBTC/cbBTC on-chain pool price vs 1:1 parity, in bps, plus consecutive-minute streak beyond a deviation threshold. Useful for collateral-acceptance decisions between BTC wrappers of the same underlying asset. Descriptive statistics only; not investment advice.

x402 API activity stats — top endpoints by paid calls, trend data, and unique payer counts from memoryapi.org nginx logs.