the402 x402 endpoint directory

Country info lookup - Fetch a country's region, World Bank income level and capital city from the World Bank API by pr

Solana Token Price - Fetch price, liquidity and market pair data for a Solana SPL token mint from Dexscreener's token

Bitcoin Fee Rates - Fetches current recommended Bitcoin transaction fee rates for the next blocks (fastest, half-hour,

DEX Pair Search - Search every supported decentralized exchange (DEX) for trading pairs that match a token name or sym

CoinGecko lookup - Search CoinGecko for a cryptocurrency by name and return its CoinGecko id, symbol, and market cap r

Crypto Market Lookup - Returns market cap, 24h trading volume and 24h price change for a given cryptocurrency from Coi

npm package scores - Fetches npms.io's quality, popularity, and maintenance scores for a specified npm package name. R

GitHub user lookup - Fetch a GitHub user's public profile and return name, bio, company, follower count and public rep

Rhyme Finder - Quickly fetch up to 20 English words that rhyme with any input word, returned as a JSON list for easy u

Similar Words Lookup - Get up to 20 words related in meaning to the input phrase using Datamuse's related-word API; fa

Ethereum Selector Lookup - Query 4byte.directory for an Ethereum 4-byte function selector and return the array of matc

GitHub Organization Lookup - Fetches a GitHub organization's public profile and returns its public repository count (p

Bitcoin Block Height - Query Blockstream's public API to return the current Bitcoin block height (numeric tip). Fast,

CVE Exploit Rank - Get an EPSS-based ranking and probability for any CVE, showing how its exploitation likelihood comp

Product Headline Generator - Turn a product URL into three short, punchy ad headlines optimized for clicks and clarity

JSON to TypeScript - Convert JSON into idiomatic TypeScript types and interfaces with inferred optional fields, unions

Crypto Invoice - Generate structured, ready-to-send crypto payment requests for USDC, ETH or BTC from a job descriptio

Email validation — syntax check plus live MX record DNS lookup to confirm deliverability.

Generate a QR code from any text or URL. Returns base64-encoded PNG.

IP geolocation, ASN, and proxy/VPN detection. Pass ?ip=x.x.x.x or omit for caller IP.

Web search via Tavily. Returns top N results with URL, title, content snippet, score.

Paint one pixel on 21millionpixels.art, a shared 21,000,000-pixel canvas. Reads are free; paid pixels skip the human c

Discover wallets connected to a seed address via on-chain transfers and identity proofs

When to use: you already have model inputs (S or forward mark, K, T, r, σ) and need fair value + hedge ratios — not ma

Generate one safe-mode 1024px WebP draft image from a bounded prompt, with search and prompt enhancement disabled. Use

Summarize bounded source text into a structured abstract and key points without web access or invented facts. Use cons

Get a full Instagram profile by handle (bio, counts, and related fields).

OpenAI-compatible chat completions with capacity-gated admission, no per-IP rate limit, direct upstream routing and a

Create one Edgecase Wait entitlement.

European company profile by country code and national ID — official company registry data in one unified JSON schema:

Physical chemistry (Cantera + CoolProp): chemical equilibrium, adiabatic flame temperature, ignition delay, reactor si

Quantum circuit simulation (Qiskit Aer): statevector, density-matrix (noise), stabilizer, and MPS methods; shots, expe

Numerical computing (SciPy): root-finding, optimization, numerical integration (quadrature), eigenvalues/vectors, and

Check follow relationship

Latest financial news headlines for a US stock from the past 7 days — up to 10 articles with headline, summary, source

Which Animica workloads a machine can earn on, in one poll. Per-kind GPU render supply, with the kinds NOBODY serves f

Live capacity of the Animica compute network in one call: which GPU render kinds have miners online right now and how

Which Animica signature scheme you can actually build on. The chain reports three schemes enabled, but two are depreca

Whether the Animica L1 is healthy enough to transact on right now: head height and hash, sync lag (blocks vs headers),

Live ANM monetary state from the Animica L1 itself: supply and account count, the block reward the node will actually

Look up Japanese (JP) address candidates for a 7-digit postal code (郵便番号), backed by the official Japan Post KEN_ALL d

Access to api/v2/smart-contracts/:address_hash. Retrieve detailed information about a verified smart contract

Google News search for AI agents at $0.004 per call, from the same Serper.dev source as /web/search. Send a query, get

Token safety check for a Base token before you buy - is it a honeypot, is it a rug: a simulated buy and sell, buy and

Fetch a tweet by ID

Quote tweets

Batch fetch tweets by IDs

Fetch post comments via mobile proxy

Frontier chat completions via Telnyx Inference (MiniMax M2.7). OpenAI-compatible. $0.002856 USDC per call — no API key

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