the402 x402 endpoint directory

Get public holidays for any country and year. Returns holiday names, dates, types (public/bank/optional), and whether

Get the native token balance for any wallet address and a list of recently interacted ERC-20 tokens. Supports Ethereum

Look up location information from a postal/ZIP code. Returns city, region/state, and approximate coordinates. Covers 6

Check if a URL is up or down. Returns status code, latency, redirect info, TLS status, and server headers.

Validate invoice data: VAT number format, line item math, tax calculations, EU compliance requirements.

Validate a phone number and classify its type. Returns E.164 format, country, carrier name, and whether it is mobile,

Convert markdown to styled HTML with inline CSS. Supports light, dark, and plain themes. Algorithmic — instant.

Scan code/config/logs for leaked secrets: AWS keys, GitHub tokens, Stripe keys, API keys, private keys, DB URLs, JWTs.

Estimate token count and cost for text across LLM models (GPT-4o, Claude, Gemini, Mistral, Llama). Algorithmic — no AP

Check if a specific date is a business day in a given country. Accounts for weekends and public holidays. Also returns

Detect whether a phone number is mobile, landline, VOIP, toll-free, or premium rate. Essential for SMS delivery verifi

DNS lookup for MX, A, AAAA, NS, TXT, SOA records. Detects email provider (Google, Microsoft, etc.), SPF, and DMARC rec

Validate a European VAT number against the VIES database. Returns company name, address, and validity. Caches results

Convert between units: length, weight, volume, temperature, area, speed, data storage. Algorithmic — instant.

Decode a JWT token without verification. Returns header, payload, claims, expiry status, and time until expiry. Algori

Fetch a URL and return content as base64. Useful for embedding images, PDFs in API calls. Returns base64, content type

Fetch and parse a website's robots.txt. Returns rules per user-agent, sitemaps, crawl delays, and whether all crawlers

Convert an address to geographic coordinates (latitude/longitude). Also returns structured address components and boun

Resolve up to 10 US street addresses at once to latitude/longitude plus state, county, tract, block, CBSA and CSA code

Full token portfolio of a wallet with live USD value per token and total, spam filtered and sorted by value via Morali

Live web search. Returns ranked results with title, URL, snippet description, site name, and page age — fresh informat

Live news search. Returns recent headlines with title, URL, snippet, publisher source, relative age, and a breaking-ne

GlianaAI - pay-per-call AI: LLM chat (OpenAI-compatible), image, video, music, speech - 90+ models, no signup, USDC. T

Analyze a Tako Knowledge Card and get AI-generated insights. Returns plain-text observations about trends, growth rate

Get descriptions of Tako search tool capabilities and available data topics. Returns what types of data Tako can searc

Search for data visualizations using natural language. Ask any question about finance, economics, demographics, sports

Turn your own data into interactive Tako Knowledge Card visualizations. Provide data as CSV strings and a natural lang

Search X/Twitter tweets with the full operator set — keyword, exact phrase, from-user, language, date range, media typ

Fetch a user's X/Twitter timeline — their tweets, replies, likes, media posts, or mentions — plus follower and followi

Read an X/Twitter List: its combined tweet timeline, its member roster, or its followers. Billed per item returned. Us

Read a connected X/Twitter account's private surfaces: bookmarks and bookmark folders, notifications, and DM history.

Daily TCGCSV market data snapshot with top movers, price changes, and volume trends across all 13 supported TCG games.

Trending Cards Feed: returns the top trading cards by market activity (30-day sales volume, views, price velocity). Co

Deep web research for AI agents — advanced search returning the highest-relevance results with multiple query-focused

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

Infer a JSON Schema from CSV, JSON, or YAML records, including nullable fields and observed primitive types.

Measure source-code size, functions, branching complexity, and maintainability signals for supported languages.

Profile CSV, JSON, or YAML records for field types, nulls, uniqueness, and representative samples.

Extract structured table rows and columns from supplied HTML, DOCX, or CSV documents.

Identify frameworks, analytics, CDNs, servers, and other website technologies from public response signals.

Inspect a domain's robots.txt crawl rules and XML sitemap health, availability, and URL count.

Measure website response latency, payload size, compression, caching, and performance signals for a public URL.

Generate a scored website intelligence report covering availability, performance, TLS, DNS, SEO, security headers, rob

Run an agent security and AI discovery readiness audit for a public site, checking the manifests and files agents use

Password - CASA Cybersecurity Assessment - Groups web-layer security issues involving HTTP headers, caching, browser p

Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly)

All US public companies that reported a given XBRL tag for a given period, in one call. Killer endpoint for cross-sect

All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest

GPT-5.6 Terra — balanced frontier model (Intelligence Index 55.0, GPQA Diamond 92.5%, Terminal-Bench Hard 57.6%). Best

Password - CASA Cybersecurity Assessment - Assesses service availability, responsiveness, and stability under normal l