the402 x402 endpoint directory

Analyze sentiment of a single text

Web search with structured results - title, URL and snippet - ready for agent consumption. Fresh results in one POST.

Cross-chain Token Balance

One payment: DNS + TLS cert + RDAP WHOIS + HTTP HEAD for brand protection and security agents

华语市场购物SERP：用中文关键词查Google购物，返回结构化商品（标题/价格/卖家/评分/链接）。hl=zh-CN+gl地区定向（默认hk，可传tw/sg），覆盖华语圈真实商品与定价。China/HK/TW Chinese shop

Collects up to 15 recent EP publication candidates from a caller-supplied IPC class through the official EPO Linked Op

Fetches two 128×128 NASA GIBS Harmonized Landsat Sentinel-2 reflectance renderings for a coordinate window, decodes th

Cross-exchange perpetual funding-rate spread for a symbol across OKX, Bybit and Binance. Returns each venue funding ra

Fetch any URL and return clean text content only (no markdown formatting). Minimal output optimized for token-efficien

Implied volatility index (DVOL) for BTC or ETH from Deribit options, with the latest value, recent change and a regime

Recent NFT sales for a collection by contract and chain: buyer, seller, price, marketplace and time, from an indexed s

Generate regex from plain English with explanations. Pay per call with USDC (x402) or credits - archtools.dev

Extract text from images and screenshots with AI vision. Send a URL or base64 image, get accurate text back in seconds

Max-pain strike for BTC or ETH options at the nearest expiry, computed from Deribit open interest as the price that mi

Start a new browser session. Configure browser type, proxies, viewport, and session timeout.

Verify an email address. Uses one verifier credit on all attempted verifications.

Counterparty risk profile of a wallet in one call - OFAC sanctions screening plus multi-chain net worth and on-chain a

中文市场新闻SERP：用中文关键词查Google新闻，返回结构化中文新闻（标题/来源/日期/链接/摘要）。hl=zh-CN+gl地区定向，覆盖中文媒体真实报道视角。China news SERP, Chinese news search

pdf to text, extract text from pdf, pdf text extractor, pdf parser, pdf to plain text, read text from pdf. Fetch PDF f

Bundle/sniper detection for a Solana token via Helius: groups launch buyers by slot to flag coordinated buys (bundle/s

https://api.signalfuse.co/v1/gateway/search

Quick image generation using FLUX Schnell (~2s, good for drafts)

Bundled execution of the Email deliverability workflow - Diagnose why a domain's email lands in spam: SPF posture, DMA

Bundled execution of the Gas optimizer workflow - Find the cheapest gas right now: Base gas, Ethereum gas, Base fee es

Extract structured data from content you already have (e.g. from a prior /content call), using AI. No browser render i

AES decryption, AES-256-GCM decrypt, symmetric decryption, authenticated decryption, decrypt cipher, decode encrypted.

PBKDF2 key derivation, password hashing, KDF, scrypt alternative, stretch password, derive encryption key, password-ba

Telegram advertising data: available ad networks and their minimum deposits, compare where to run campaigns.

Telegram post analytics: a single post with its statistics over time, views, forwards and reactions. Measure how a spe

Telegram sentiment analysis, raw inputs: recent posts and reactions for a channel, group or topic to run your own mood

Telegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, @mentio

Telegram channel data and monitoring: fetch recent messages and posts from any public Telegram channel or group. Monit

Telegram channel analytics and profile data: title, description, subscribers, category, country, language, links and v

Telegram engagement analytics: engagement rate (ER), engagement rate by reach (ERR) and 24-hour reach engagement (ERR2

Reference data for the Telegram analytics API: countries, categories and languages used for filters and targeting.

Telegram reach analytics: average post reach chart for a channel, how many people typical posts reach over time.

Telegram audience analytics: subscriber growth chart for a channel, track audience growth or decline over time (day/we

Telegram channel analytics and statistics: subscribers and growth, average post views, reach, engagement and engagemen

Bundled execution of the Feed watch workflow - Monitor an RSS/Atom feed in one call: parse the feed, read the top stor

Bundled execution of the Domain intel workflow - Full domain security and SEO intelligence in one call: WHOIS, DNS, TL

Bundled execution of the Page audit workflow - Full page SEO + security audit: content extraction, metadata, HTTP head

Bundled execution of the API investigation workflow - Point at an unknown API endpoint and figure out how to use it: a

Bundled execution of the DNS & network ops workflow - End-to-end DNS health check: records, multi-resolver propagation

Bundled execution of the Cheapest rail right now workflow - Where should an agent transact this minute? Live gas on Et

Realized trading profit and loss for any wallet - total profit USD, ROI percentage, trade count and a smart-money tier

Run code in an isolated cloud sandbox and get its output — agents can't self-host this. POST {code, language?}. langua

Recent ERC20 transfers for a token by contract and chain: from, to, value, block and timestamp, from an indexed source

Live Uniswap V3 pool stats on Ethereum - token pair, fee tier, TVL, total volume, tx count and token prices from the s

Bundled execution of the Security audit workflow - Enumerate a domain's external attack surface in one workflow: certs

Bundled execution of the FX monitor workflow - Major currency snapshot: EUR/USD, GBP/USD, JPY/USD rates plus the full