the402 x402 endpoint directory

Stateless portfolio optimizer — bring your own signals, get risk-constrained weights. POST {assets:[{symbol,target,con

Blind-spot / anomaly insight: which boards & setups the system keeps missing. Query: ?days=7

Taiwan work permit eligibility GUIDANCE, not a determination, for a foreign-professional profile. Checks the 2026 grad

Business -> visibility score, missing fields, review health, AI-readiness flags, fix list. Audits a Google Business Pr

Live momentum signal: RSI(14), Bollinger %B, BUY/HOLD/SELL, confidence

Sector rotation forecast: strength + momentum + catalyst score. Query: ?limit=20

Cheapest LLM meeting your constraints (price/context/modality) PLUS every price change and deprecation in the window.

Look up a prescriber by NAME (or exact NPI) and get identity plus a Medicare Part D prescribing summary. Matches the N

Token holder concentration on Base: top holder percentages, top 10 share, holder count, and which top holders are cont

Lithium mine/company data, 5 cents a field: sku=aisc, production, reserves (grade+tonnage), offtakes (customers, volum

Travel planning and live booking research: destinations, itineraries, and quotes payable in USDC.

Live data feeds in one call: crypto prices, DeFi TVL, gas, equities, forex, earnings, RSI momentum, DEX signals and wa

The AI will perform actions like searching and browsing web pages to find the answer to the provided task. Execution t

Wallet credit score 0-100 from onchain transaction history pattern. Factors: tx volume (nonce), account age, ETH balan

Decode EVM calldata or a Base tx hash into a readable function call: signature, selector, and decoded typed arguments.

Cross-seller price comparison for a product in one call: pulls live shopping listings via residential-IP scraping, par

High-quality image generation using FLUX.2 Pro (~5s, production-ready)

0.05 USDC on base

0.05 USDC on base-sepolia

Access to The Little Secret

https://www.basehelper.fun/api/x402-xp

Historical AIS daily brief by date (YYYY-MM-DD)

LinkedIn Profile Scraper — full people-profile lookup by URL or handle: headline, current role/company, location, foll

FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, industry, j

Find email address for a lead.

Enrich up to 10 organizations in a single request.

https://api.optranslations.com/api/v1/veritas/legal-translation

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.05 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.05 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.05 on base.

Answers 402 via POST. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.05 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.05 on base.

Locus public pay-per-use API

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

Check domain and handle availability for a startup name. Checks .com/.io/.ai/.co/.dev domains, Twitter, GitHub, npm, P

Check email deliverability for a domain: SPF, DKIM, DMARC, MX records, blacklist status. Returns 0-100 score.

Analyze a public GitHub repository. Returns tech stack, documentation quality, activity level, bus factor, maintenance

Look up US company data from SEC EDGAR. Accepts CIK number, ticker symbol, or fuzzy company name. Returns company name

Look up UK company data from Companies House. Accepts company number (8 digits) or fuzzy company name. Returns company

Get current weather and 7-day forecast for any location. Uses Open-Meteo API. Search by city name or coordinates.

Check domain reputation via DNS, HTTP, and security analysis. Checks SPF, DMARC, HSTS, HTTPS, suspicious TLD, and doma

Fetch a GitHub user's profile, stats, and recent repositories. Returns followers, repos, bio, and activity.

Check username availability across 7 platforms: GitHub, YouTube, TikTok, Reddit, Pinterest, npm, PyPI.

Fetch npm package metadata: version, dependencies, downloads, repository, license. Includes weekly download count.

Screens an individual against the Politically Exposed Persons (PEP) database via Dilisense. Coverage spans 230+ geopol

Trace the full HTTP redirect chain for a URL. Shows each hop with status code, location header, server, and latency.

Look up a Legal Entity Identifier (LEI) via the GLEIF database. Accepts a 20-character LEI or company name. Returns en

Translate text between languages. Auto-detects source language. Supports all major languages. Returns translated text

Look up product information by UPC/EAN barcode. Uses Open Food Facts and UPC ItemDB. Returns product name, brand, nutr

Convert any URL to clean, article-quality markdown. Extracts main content and strips navigation, ads, and boilerplate.