Every agent-payable API.

Check if two images are duplicates or near-duplicates. Compares two image URLs with perceptual hashing and returns a distance score and a same-image verdict. Use to deduplicate photos, detect reposted or copied images, and verify whether two files show the same picture.

Compare two product photos for visual similarity. Returns a similarity score between two image URLs. Use when an agent needs to match a product listing photo against a catalog image, detect identical product pictures across stores, or spot re-used ecommerce imagery.

Compute similarity between two texts. Returns Jaccard, Dice, cosine and overlap scores for two strings. Use to deduplicate documents, match names or titles, and detect near-identical text.

Verify that an image matches a reference image. Compares a candidate image URL against a trusted reference and returns whether they show the same content. Use for verifying logos, profile pictures, KYC document photos, or that an uploaded image matches an expected original.

Generate a calendar invite (.ics file) from event details. Returns a valid RFC 5545 iCalendar VEVENT with title, start and end time, timezone, location, and attendees that can be emailed or imported into Google Calendar, Outlook, or Apple Calendar. Use when an agent needs to schedule a meeting or send a calendar invitation.

Fundamentals of a Japanese listed company from its latest annual securities report (yukashoken hokokusho) filed with EDINET, Japan FSA's disclosure system. Look up by Tokyo Stock Exchange ticker (e.g. 7203) or EDINET code. Returns company profile, IFRS/JGAAP financials — revenue, operating income, net income, total assets, equity, operating cash flow, EPS, ROE — with 5-year history, plus employee headcount, average salary, age and tenure. For fundamentals research and Japan stock screening.

Get full detail for a single Kalshi event with all its nested markets. Mutually-exclusive flag tells you whether the markets partition outcome space (e.g. one winner). Useful for: viewing all candidates in an election, all CPI ranges, all weather buckets.

List Kalshi markets (CFTC-regulated US event contracts). Filter by status (open/closed/settled/unopened) or by event ticker. Returns yes/no bid/ask, last price, volume, open interest. Complement to Polymarket for US-regulated markets and Kalshi-only categories (weather, economic data).

Korean exchange alerts: new listings, delistings, investment warnings, caution flags

Korean exchange prices (Upbit, Bithumb) for a single token in KRW

Top L2s by Total Value Locked (TVL) via DeFiLlama. Returns each L2 with TVL in USD, native token symbol, and CoinGecko/CMC ids. Classification combines DeFiLlama's parent-chain hint with a curated list of well-known L2s (Arbitrum, Optimism, Base, zkSync Era, Linea, Scroll, Mantle, Polygon zkEVM, Starknet, Blast, Mode, Manta, Metis, Polygon, Taiko, Immutable zkEVM, World Chain).

Current gas snapshot across Ethereum + supported L2s (Base, Polygon, Arbitrum, Optimism), sorted cheapest-first. Returns gas price in gwei, latest block number, chain id, and an isL2 flag per chain. Use to route a transaction to the cheapest viable L2 or to track L1→L2 gas spread.

Company/org enrichment pack $0.04 — name, employees, country, industry, website (Wikidata+SEC). Aliases: /company-enrich /org-enrich. Keyless. format=apollo_org. Upsell verified company file $0.95.

SEC EDGAR financials for public companies (keyless, attested)

Domain enrich for agents: live DNS (MX/SPF/DMARC/A) + HTTPS trust score. $0.005 keyless Base USDC. ?domain=stripe.com

Keyless attested web search (?q=) for agent grounding. $0.025 Base USDC — agent-search band. Ed25519-attested result set.

Company enrichment / org enrich by domain or name. Firmographics pack for agents: name, employees, country, industry, website, description. $0.04 Base USDC keyless. Alternative to CompanyEnrich/org-enrich when you want keyless + attestation. ?identifier=stripe.com

Company dossier for agents: one-call research pack (web + firmographics + domain). $0.03 Base USDC. Use for company intel pack, vendor research, KYB taster. Full verified company file upsell $0.95. ?q=coinbase.com

Keyless attested web scrape: ?url= → { title, markdown, word_count }. $0.02 Base USDC (agent scrape band).

Exact token count for text using OpenAI tokenizers. Body: {text, encoding?} where encoding is cl100k_base or o200k_base (default). Returns tokens and char_count. Use to budget prompts and context windows.

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. Large Trade Share measures the share of traded volume attributable to large trades. Discovery examples use the latest 30m window.

LastLook Data — real-time Sahm Rule recession indicator. Value >= 0.5 signals recession underway. Source: FRED SAHMREALTIME.

LastLook Data — current price, 24h change, market cap, and volume for any supported cryptocurrency. Use ?coin=BTC|ETH|SOL|BNB|XRP|ADA|AVAX|DOGE|LINK|DOT|etc. Source: CoinGecko.

LastLook Data — EFFR vs IORB spread. Shows where the effective Fed funds rate trades relative to interest on reserves.

Crypto news API and crypto market signals feed for agents. Returns market-moving headlines, macro events, weather, and x402 market data context.

Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).

Latest TAO network-wide fundamentals: total issuance, total stake, free float, supply percentage mined, stake ratio. Snapshot every 10 min.

Latest block number for a chain

Check whether a year is a leap year and get related info: days in that year, the next and previous leap years, and the Gregorian leap-year rule.

Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello' becoming 'h3110') or turns leetspeak back into normal, easy-to-read words. The same words always produce the same result, so answers never change unexpectedly.

Lichess user profile snapshot: ratings per perf, country, title, online status, counts.

Get one piece of thoughtful life advice, paid per request over x402.

Fit a least-squares line y = slope·x + intercept to two equal-length series. Returns slope, intercept, r² (variance explained), and optionally predicted y values for new x inputs - useful for trend extrapolation (e.g. project next quarter's revenue from the last 8 quarters).

Directory of Japanese (JP) rail operators and their lines, with canonical ids and Japanese/English names. Use to discover valid line and operator identifiers for the other endpoints.

Confirmed batting orders + probable pitchers + late scratches per MLB game for a date. The single biggest fantasy lever. Params: date (YYYY-MM-DD), team_id, game_pk.

List Google Play Store app categories.

List the possible readings of a Japanese (JP) name — person, company, or place — each with a probability, since names like 山崎 (やまざき / やまさき) are ambiguous without context. Returns hiragana, katakana, and romaji per candidate. Use for CRM name-matching, furigana fields, and call-list preparation.

Lithium Research Vault - cost-curve & peer ranking for any lithium company or mine vs the tracked universe of 66 mines, 44 operators: AISC percentile, resource-size rank, balance-sheet survival rank. Dataset-level analysis - who survives the downcycle - that a single-entity call can't give. Spodumene/brine producers + developers, every figure cited to SEC/ASX/TSX filings. Greenbushes, Pilgangoora, Atacama, Cinovec; tickers SGML, ALB, PILBF, SQM. /vault/summary $0.02, /vault $0.05.

Lithium Research Vault - headline snapshot for any lithium & battery-metals company, producing mine, or DFS-stage developer. One row: latest production, AISC, cash/debt/EBITDA, reserves, DFS NPV/IRR, top holder, source filing. Albemarle, Pilbara, SQM, Greenbushes, Atacama, Cinovec, Manna, Bandeira. 66 lithium mines (43 producing + 23 developer), 44 operators. Query by ticker (ALB, SQM, SGML, EMH, GL1, PMETF) or mine name. Cheapest tier; /vault full rows, /vault/comparables ranking.

Real-time aircraft states and live flight tracking worldwide from adsb.fi open data (ADS-B) — give a bounding box, get every aircraft in the area with live position, altitude, speed, heading and ground status. Data by adsb.fi (ODbL).

Live fee rates (high/medium/low sat/vB) — flat $0.001 per call, USDC on Base, no signup.

Live GBLIN keeper bounty availability on Base: whether a profitable incentivizedRebalance exists right now, expected ETH reward, and the MCP tool reference to execute it.

Live market-state data for one crypto pair: BUY/SELL/HOLD state + confidence from a multi-timeframe engine. Machine-readable, ECDSA-signed. Input data for AI finance agents (USDC pay-per-call).

Stock analysis — price fundamentals technical indicators for any ticker

Insider trades — SEC Form 4 buys and sells by officers and directors for any ticker

US macro intelligence — Fed rate, CPI/Core PCE YoY, yield curve, M2 money supply, GDP, VIX, crypto Fear & Greed, AI macro regime narrative

AI-powered news sentiment analysis for any ticker company or market topic

M2m Stats — an agent-callable m2m stats service, payable over x402 (USDC on Base). Provided via econdash.org. Priced around 0.02 USD per call.

Look up the MEV-Boost payment for a specific slot or block number via the Flashbots relay. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the block was built locally or via a different MEV-Boost relay (Flashbots is one of several).

Last N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder market share, proposer revenue, or to correlate an arbitrage opportunity with the block it landed in.