Every agent-payable API.

Modal — Run a command in a running sandbox and return its output.

TikHub — 742 per-call social-data endpoints (GET) across douyin/tiktok/weibo/instagram/bilibili/zhihu/kuaishou/youtube & more. Pass { endpoint, ...params } (params per endpoint; most reads take username/user_id/keyword + pagination_token). Find endpoints via vaaya/discover or the social-data knowledge doc. Most calls 1¢.

Firecrawl — Search the web and return scraped results.

Exa — semantic web search via our API key. numResults up to 100. For people/lead discovery set category:"people" with an open ICP query.

Validate a value. Body: {type, value, schema?}. type = luhn (credit-card number), iban (bank account), email, or json_schema (validate value against a provided JSON Schema). Returns {valid, ...}.

VAT breakdown for an amount: net/tax/gross incl. statutory levy components

VAT breakdown for an amount: net/tax/gross incl. statutory levy components

Validate an EU VAT number against the official VIES registry before invoicing, onboarding or a reverse charge. Per-country syntax is checked locally first, so invalid formats never touch the network. Valid numbers return the registered company name and address when disclosed, plus an optional consultation number (requesterVat). Never a false 'invalid': if VIES is down you get a 503 and are not charged. ?attest=1 → Ed25519-signed.

Vault evaluator for Hyperliquid copy-trading vehicles. POST {vault}. Returns composite vault_quality_score (0-100) factoring: leader's own trading skill, depositor concentration (top-1 share = whale-dependent), redemption pressure (withdrawals/deposits ratio), commission rate. Plus lifetime stats and top 5 depositors. Built for copy-trade-vetting bots — NO equivalent service exists; vault data is unique to perps DEXs.

Ask a live crypto analyst desk any market question — social sentiment, dominant narrative, prediction-market odds, sentiment-vs-price divergence, whale and funding context — answered fresh in 10-180s. ?q= free-form and/or ?asset=BTC. A live specialist desk at generic-AI-research prices. No charge if the desk fails to answer. Descriptive research, not financial advice.

Verifiable call log: every signal this desk has published, timestamped and countable (?asset=BTC optional). Audit us for a penny before you spend a dime — no accuracy claims, compute your own. Descriptive research, not financial advice.

Verify a Japan qualified-invoice-issuer registration number (インボイス登録番号, "T" + 13 digits) against the National Tax Agency publication dataset. Returns registration status (active/cancelled/not found), registration date, and — for corporations — the registered name and corporate number. Includes corporate-number checksum validation. Essential for AP automation and expense agents processing Japanese invoices/receipts.

Verify a Japanese qualified-invoice registration number (適格請求書発行事業者 インボイス登録番号 / T番号, T+13 digits) against Japan's National Tax Agency (国税庁) registry — no OCR. Returns qualified/cancelled/not-found, registration date, registered name (法人名), corporate number (法人番号) and registry record, checksum, plus optional fuzzy name-match (&name=). Cheapest pre-payment counterparty check for Japanese invoices (請求書).

Fact-check a claim before your agent acts on, repeats, or ships it — verify a claim, is this true, catch hallucinations. Independent, fail-closed verification for AI agents: a verdict with calibrated 0-1 confidence, reasoning, and web-sourced evidence; abstains rather than guess, never fabricates. Every verdict ships a signed, independently re-verifiable receipt — proof of what was asked and answered, free to verify forever. Tier: quick — fast ungrounded pre-filter (Haiku).

Agent service discovery and search endpoint. Search and filter available x402 API endpoints by category, maximum query price, or keyword matches.

Finds the closest competitor listings by tag overlap and semantic token similarity. Returns pricing, calls, and payers for each competitor along with the query resource's market rank.

Advanced CSV parser, data cleaning, and analytical transformation engine. Parses raw multipart CSV files, performs automated formatting fixes (removes invalid characters, strips leading/trailing whitespaces), and applies advanced filtering, sorting, and column drops. Outputs fully parsed clean tables in structured JSON, optimized CSV format, or synthesizes a professional PDF summary report with numerical statistics (averages, maximums, minimums, null counts).

Premium cross-protocol DeFi yield aggregator and scanner powered by DefiLlama. Scans Aave, Compound, Uniswap, Morpho, and 100+ protocols for the best APY opportunities across chains. Filter by token, chain, and minimum TVL. Ideal for AI yield optimizers, portfolio rebalancers, and DeFi research agents.

CSV → PDF Report Workflow. Upload a CSV file, optionally filter/sort, and receive a professional PDF report with summary stats and data table. 14% cheaper than separate CSV + PDF calls.

Synthesized news coverage metrics, volume velocity indicators, and sentiment aggregates for targeted crypto topics over sliding window timeframes.

High-performance image conversion, resizing, and asset optimization service. Seamlessly converts between JPG, PNG, WebP, and AVIF formats with custom dimensions, progressive loading, and quality adjustments. Includes premium preset optimizations like 'nft-ready' (maximum metadata preservation) and 'web-optimized' (aggressive web compression for next-gen performance). Useful for automated image pipelines, CDN optimization, and on-the-fly media processing.

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

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

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.

Historical weather and climate database. Access daily temperature highs, lows, total precipitation (rain/snow), wind speeds, and cloud conditions for any coordinates or city worldwide. Essential for geointelligence, climate modeling, historical records, and agricultural planning.

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

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

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

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

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.

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.

Register a watch condition for real-time monitoring of price, gas, weather, wallet, or custom endpoint.

Agent wallet status and readiness checker. Input any wallet address to get USDC/ETH balances, transaction count, wallet type classification (whale/agent/micro_agent), and personalized service recommendations.

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.

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

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.

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.

Deterministic greenhouse gas inventory API for auditable Scope 1, 2, and 3 accounting from explicit activity records. The accounting step pairs with Viridis embodied-carbon takeoff, disclosure, and tax-credit engines.

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.

Look up any wallet's token holdings with live USD values: every ERC-20 position with amount, price, USD value and portfolio %, total portfolio value, top-position concentration, and spam/unpriced filtering. The 'bagcheck' call for copy-trading, risk, research and portfolio agents. Across Base, Ethereum, Optimism, Arbitrum, Polygon. Free upstream (Blockscout).

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

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.