The x402 marketplace
with memory.

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x402.twit.sh

x402.twit.sh

Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. Returns X v2 API-compatible JSON.

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x402.tavily.com

x402.tavily.com

Tavily Search - advanced mode

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agents.chain.link

agents.chain.link

Chainlink For Agents: execute a catalog workflow by workflow name.

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win.oneshotagent.com

win.oneshotagent.com

People and contact discovery

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StableEnrich

stableenrich.dev

Exa Search - Neural search across the web

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Otto AI

x402.ottoai.services

Real-time crypto market news with sentiment analysis and top headlines ranked by importance.

B

BlockRun.AI

blockrun.ai

Project mindshare time series.

A

api.onesource.io

api.onesource.io

Latest Ethereum block height - current chain tip via eth_blockNumber

E

Exa

api.exa.ai

Exa /search endpoint

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Agent402.tools

agent402.tools

Cryptographic hash of a text string. Algorithms: sha256 (default), sha512, sha1, md5. Returns hex and base64 digests.

2

2s

2s.io

NYC tax-lot lookup via PLUTO (Primary Land Use Tax Lot Output) — every tax lot in the city with owner, zoning, lot/building area, year built, classification, lat/lon, community + school + council + police districts. Pass `bbl` (10-digit Borough-Block-Lot composite, e.g. 1010110001 for the Empire State Building) for an exact lookup, OR pass `address` (partial-match) optionally constrained by `borough` (name or 2-letter code MN/BX/BK/QN/SI). The BBL returned here is the universal join key for all other property.nyc-* endpoints — fetch parcels first, then chain into deed-history, permits, or viol

A

api.x402node.dev

api.x402node.dev

Real-time forex / exchange rates from the European Central Bank (via Frankfurter). Pass from=USD and to=EUR (or batch to=EUR,GBP,JPY,CNY). Returns rates, inverse rates and last-update date. For AI agents needing exchange rate, currency conversion, fx rate and forex data. 实时外汇汇率,支持批量与反向汇率。

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api.deepnets.ai

api.deepnets.ai

The active deepnets watchlist - high-volume tokens that passed the safety screen, with current safety data.

A

api.molty.cash

api.molty.cash

Tip or hire @0xmesuthere - send USDC payments

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Nansen

api.nansen.ai

Get Address Current Balance Data

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api.loyalspark.online

api.loyalspark.online

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

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proxy.suverse.io

proxy.suverse.io

Bidirectional ERC20 token swap aggregator on Base mainnet via LiFi routing across 20+ DEXs (Uniswap V3, Aerodrome, BaseSwap, SushiSwap). USDC to WETH AERO DEGEN BRETT TOSHI cbETH cbBTC or any ERC20, and reverse to USDC. Two-step quote/execute x402 flow. 1% fee. AI agent swap. L2 DEX.

C

CuseTheJuice Agent Email

mail.cusethejuice.com

CuseTheJuice agent email on Base USDC: create accounts, list and read email, send, reply, search, folders, attachments, trust index, password recovery, custom domains, and domain admin. Pay with x402 (Base USDC). HTTP shape: extensions.bazaar on the 402. Catalog: https://mail.cusethejuice.com/machine-mail.html

A

api.dripmetrics.ai

api.dripmetrics.ai

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto 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 estimates volume-synchronized probability of informed trading for a crypto trading pair over a specified window. Discovery examples use the latest 30m window.

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Stratalize

www.stratalize.com

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). FS AI RMF adoption-stage benchmark for regulated institutions — finance, healthcare, legal, real estate, compliance. Required param: industry (e.g. financial_services). Pay per call via x402

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x402stock.xyz

x402stock.xyz

Full-text search across every SEC EDGAR filing since 2001. Find filings mentioning a keyword or exact phrase via ?q=, narrow by ?forms=10-K,8-K, ?ticker=, and ?startdt=/?enddt= dates, and cap with ?limit=. Returns each match's form, filer, date, and a link to the document. Sourced from SEC EDGAR. From x402stock, a market & economic data API (x402, USDC).

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api.myceliasignal.com

api.myceliasignal.com

Real-time Bitcoin price in USD, aggregated from 9 exchanges including Binance, Coinbase and Kraken — Ed25519 signed attestation

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api.linkedpanda.com

api.linkedpanda.com

LinkedIn job search results page

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StableTravel

stabletravel.dev

Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info.

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Stock Trends Market Intelligence

api.stocktrends.com

Latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.

C

clonecho.builda.company

clonecho.builda.company

Current air quality (US AQI, PM2.5, ozone) for a location (?lat=&lon=). Live. Returns JSON.

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api.tcgapi.dev

api.tcgapi.dev

All cards in a TCG set — Pokemon boosters, Magic: The Gathering expansions, Yu-Gi-Oh structure decks, Lorcana chapters, One Piece sets.

A

api.interzoid.com

api.interzoid.com

Detect the language of input text and translate it to any specified target language. AI-powered translation supporting numerous world languages.

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x402scan

www.x402scan.com

Paginated list of merchants (top recipients by volume)

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api.strale.io

api.strale.io

OCR on any image via Claude vision. Works on screenshots, photos of documents, handwritten notes. Returns text with confidence.

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x402.browserbase.com

x402.browserbase.com

Create a Browserbase browser session with prepaid time. Returns a WebSocket connection URL for browser automation.

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QuickNode

x402.quicknode.com

Payment for Quicknode RPC access. Options: per-request ($0.001/request), nanopayment ($0.0001/request via Circle Gateway), or credit drawdown with SIWX authentication.

A

api.cn402.com

api.cn402.com

Chinese pinyin, hanzi to pinyin, Mandarin romanization, 拼音转换, Chinese phonetic, Hanyu Pinyin with tones, 普通话拼音, Chinese to Latin, Mandarin transliteration, tone marks numbers. Convert Chinese characters to Pinyin (Hanyu Pinyin) with tone marks. For AI agents handling Chinese text-to-speech, Chinese language learning apps.

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x402-services-production.up.railway.app

x402-services-production.up.railway.app

Extract structured data (title, links, meta, headings, text) from HTML as JSON.

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StableEstate

stableestate.dev

Search rental apartment listings powered by MLS data

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weather.hugen.tokyo

weather.hugen.tokyo

Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global coverage updated every 15 minutes. No API keys, no geocoding setup, no rate limits. Accepts USDC payments on Base and Solana

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StableUpload

stableupload.dev

Buy an upload slot. Agent uploads file via returned URL.

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www.hibra.app

www.hibra.app

Hibra AI Swap — best route on Base network

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x402-api.aubr.ai

x402-api.aubr.ai

Send an HPKE-encrypted prompt to the Aubrai chat agent running inside an attested private enclave. Only the enclave can decrypt your message.

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store.agentexchange.work

store.agentexchange.work

Current USD prices for one or more tokens by CoinGecko id (e.g. bitcoin, ethereum, solana, usd-coin). Returns price, symbol, and confidence per token in one call. Sourced live from DefiLlama with attribution.

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Relaystation Screening

api.relaystation.ai

$0.01/screen. Screen any name against OFAC, EU, and UK sanctions (UN included) plus Wikidata-derived PEP watchlists — fuzzy matching, instant JSON verdict. Compliance in one call, one of 155 Relaystation tools on one balance — relaystation.ai

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TickersFeed

api.tickersfeed.net

Earnings history for any US stock — last 4 quarters with actual vs estimate EPS, surprise, and surprise percent. Covers NYSE, NASDAQ, AMEX. $0.003 USDC per call.

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tick.hugen.tokyo

tick.hugen.tokyo

Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 14 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on Base and Solana

A

api.invoket.com

api.invoket.com

Before your agent schedules a delivery, plans outdoor work or hedges short-term weather exposure: a point forecast of 2 m temperature, precipitation and 10 m wind — plus opt-in convective, humidity, cloud and snow variables — for any GPS point or city. Deterministic NOAA GFS at 0.25 deg to 16 days (384 h), NOAA GEFS ensemble mean at 0.5 deg to 35 days (840 h); the lead selector is optional (omitted, the forecast defaults to the current analysis time) and the response names the model that served it and the exact forecast step.

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Usenami

api.usenami.io

Current per-venue funding rates for a given symbol or all symbols

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finance.toon.haus

finance.toon.haus

Stock quote with company profile

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netintel-production-440c.up.railway.app

netintel-production-440c.up.railway.app

Extract structured data from any unstructured text into your own JSON Schema — structured-data / information extraction, text-to-JSON, LLM data enrichment. You supply the schema; the LLM returns a matching object. Works for contacts, invoices, events, product specs, medical records, legal clauses, resumes — any shape. Returns the extracted object plus token usage; unfound fields are omitted or null.

A

api.signalfuse.co

api.signalfuse.co

Web search via Brave Search API