the402 x402 endpoint directory

Returns ERC-20 allowance, balance, decimals, and symbol before a swap.

Resolve a local business name + address to its website domain, phone, category, and operating status with a match conf

Local business discovery by category and location (restaurants, contractors, practices). Flat price per search.

Screen untrusted text for prompt-injection and tool-coercion signals before an agent consumes it. Use it before an aut

List observed US federal holidays for a year for $0.002 USDC. Call when you need this bounded result without an API ke

Revalue an amount between years using U.S. BLS CPI for $0.002 USDC—informational only. Call when you need this bounded

Look up a 20-char Legal Entity Identifier via GLEIF for $0.002 USDC with status and legal name. Call when you need thi

Business-day counter for agents: weekdays or US federal holidays for $0.002 USDC—first-party calendar, no third-party

IANA timezone lookup for agents: offset, abbreviation, DST and local time for $0.002 USDC—stdlib zoneinfo, no API key.

Evaluate caller-supplied x402 payment requirements before a wallet signs them. Use after receiving HTTP 402 to enforce

Revalue amount by two rates (historical vs current). Call when ECB-style revaluation when rates are caller-supplied. R

Geography and cities data credit pack for low-cost location and city lookup workflows used by autonomous agents.

Convert an HTML document to clean Markdown for LLM ingestion: strips scripts, styles and navigation chrome, preserves

Structured diff of two text blocks: per-line additions, deletions and changes, plus an identical flag. Use it to detec

Deep person research — returns enrichment, social profiles, articles, and dossier

Read a web page and extract content as markdown with screenshot

Batch text-to-speech: synthesize up to 20 separate text items in a single call, standard voices only, up to 500 total

Get a person's social interactions — followers, following, and replies

ManyFish location resolver for forward geocoding. Convert an address, landmark, city, postal code, or place name into

Wallet treasury health: GBLIN/USDC/ETH balances, gas runway, and rebalance recommendation. Critical for autonomous dec

USDC→GBLIN treasury-accumulation calldata: two sequential steps (approve USDC, then buyGBLINWithToken) with MEV-safe m

Public URL status, latency, and response header subset for uptime and health agents

Full DeFi signal bundle: Hyperliquid funding extremes, HL–Bitget funding spreads, DEX arb edges, and recent Aave liqui

Decode a 3-character World Manufacturer Identifier or 6-character low-volume identifier through the official NHTSA vPI

Check your credit balance. Credits are the unit of account for the tollbooth, escrow, and bounty markets here: 1 credi

Base network risk signal (normal/caution/risk-off) for ETH, BTC and USDC computed from Chainlink oracles, with feed-st

ForgeKit ShipVerify - post-ship SEO/OG/agent discovery gate

ManyFish location resolver for reverse geocoding. Convert latitude and longitude into a normalized address, structured

Deterministic WMM2025 magnetic field (one location/date). Free sample, no payment required: GET /play/field

Recover who signed a message (ecrecover, EIP-191 personal_sign). For EIP-712 typed data use POST /verify/sig. Every an

Analyze a person's interests and topics from their digital footprint

Discover social media profiles for a person by email or URL

Validate JSON data against a JSON Schema (draft-07, 2019-09, 2020-12) — returns exact error locations, keywords, and m

Market-silence score 0-1 — a composite of low volume, low volatility and small price change. High silence often preced

Realized volatility for an asset: daily and annualized %, plus a low/normal/high/extreme bucket and the 24h high/low/r

Current BTC market regime — BULLISH / BEARISH / NEUTRAL — derived from price vs its 20-period EMA on the 12h candle, w

Whole-market snapshot: total crypto market cap, total 24h volume, BTC dominance, and counts of active coins and market

Fear & Greed now vs yesterday, 7 days and 30 days ago — with the deltas — so an agent can see whether market sentiment

How much of today's expected (ATR) range has already been used — low/moderate/high/extended — with the % consumed. Use

Korean exchange prices (Upbit, Bithumb) for a single token in KRW

Before you pay an x402 door, check it against its catalogue entry. A nightly probe of EVERY host in the x402 index (1,

Find funding rate arbitrage opportunities -- coins with extreme positive or negative rates

Structured extraction of one web page: title, description, headings, clean main text, markdown, links and images.

Low-cost RedBTC strong chat route. Fixed gpt-5.5, no API key, USDC per call, hard capped for safe autonomous use.

Chat completions via Telnyx Inference (google/gemma-2b-it). OpenAI-compatible. $0.002 USDC per call.

One-call market snapshot: BTC/ETH/SOL spot prices with 24h change plus the Crypto Fear & Greed index. The cheapest way

Looks up DNS records for a hostname.

Compute the exact probability distribution of a dice notation — mean, variance, standard deviation, min/max and the fu

Roll dice notation with a cryptographically secure RNG, optionally repeated. Returns per-die rolls, the kept dice and

Parse dice notation such as "3d6+2", "4d6kh3" (keep highest 3) or "2d20dl1" (drop lowest 1) into structured terms. Mal