the402 x402 endpoint directory

Build a compact fleet status markdown from agent rows. Call when operator agents need a pasteable fleet brief. Returns

Audit an x402 server for listing readiness, discovery quality, pricing surface, OpenAPI coverage, and integration gaps

DNS lookup API for agents at $0.01 USDC. Call when you need A/AAAA/CNAME/MX/TXT/NS for domain routing, email delivery,

Bitcoin network health: hashrate, difficulty, transaction count, estimated volume, miner revenue and the largest recen

Fetch any URL and get clean, LLM-ready page content — no API key, no account, no signup; pay per call in USDC on Base.

Expressive text-to-speech in any of 20 voices, standard M1-M5/F1-F5 plus personas like Storyteller, Narrator, Announce

FDA drug label — openFDA structured drug labeling (uses, warnings, dosage).

Boon x402 endpoint recognition graph

Text embeddings for AI agents — no API key, no account, no signup; pay per call in USDC on Base. POST JSON { input: st

Pull structured JSON out of messy text or a web page — no API key, no account, no signup; pay per call in USDC on Base

LLM chat completions for AI agents — no API key, no account, no signup; pay per call in USDC on Base. POST JSON { prom

Mutable-risk report for a token — can the owner still turn it hostile? No API key, no account, no signup; pay per call

Get the indicative price for a swap using Allowance Holder to set allowances

Dutch building (BAG) lookup by postcode + house number: construction year, floor area, use function, status. Send the

Resolve a Dutch place to its vacation region + holiday dates. Send the parameters in a JSON request body via POST. Pay

One payment for lead-gen and fraud agents: email format/MX, IP geolocation, and SSRF-safe HTTP HEAD

Single payment bundle: DNS A/AAAA, HTTP HEAD probe, and TLS certificate peek for agent infra workflows

Extract clean main text content from any web page (no nav/ads) — for research & summarizing agents. Input: ?url=

Extract emails, phone numbers, and social links from any website — lead enrichment for agents. Input: ?url=

Extract title, description, OpenGraph image, favicon & canonical from any URL — link previews & summaries. Input: ?url

Top gainers & losers (24h) across the top 100 coins — for trading agents. Input: (none)

The coins trending right now — for trading & research agents. Input: (none)

Global crypto market overview — total market cap, 24h change, BTC/ETH dominance. Input: (none)

Factual summary of any topic from Wikipedia — for research agents. Input: ?topic=Bitcoin

Current conditions + 3-day forecast for any city — for travel & planning agents. Input: ?city=Atlanta

Currency conversion + live exchange rate (ECB data). Input: ?from=USD&to=EUR&amount=100

FEMA flood zone for an address. Perfect for: 'flood zone for an address', 'FEMA flood designation', 'is this property

Returns a Polymarket trader skill score.

Underground Cultural District — catalog of 228 themed digital products (poetry, philosophy, fiction, reflection, plant

Service: RentCast (https://rentcast.x402.paysponge.com/markets)

Service: RentCast (https://rentcast.x402.paysponge.com/properties/random)

SYNTHORA web-extract: any URL to clean agent-ready text (no HTML noise) + title, meta description, link/image counts —

SYNTHORA tor-fetch: fetch any URL (including .onion) via Tor AND directly, compared side by side — status, size, and d

SYNTHORA headers-audit: HTTP security headers + TLS audit for any URL — missing headers, score 0-100, cookie flags. $0

SYNTHORA prediction-markets: top prediction markets from Polymarket and Kalshi — implied probability, bid-ask spread,

Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — req

SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wal

FRED economic data API. Fetch the latest official Federal Reserve economic-series value and metadata by FRED series ID

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

Compare an agent's advertised contract with its live x402 challenge and return deterministic proof.

Scrapes any public web page and returns clean structured JSON (title, text, length). The workhorse — agents use this f

AI Action Receipts: seal the HASHES of an AI action (input/output as hashes; your action label + meta are published) i

Render a bar/line/area chart to SVG (v2 discovery probe)

Current UK weekly average road fuel price (petrol + diesel, pence/litre), sourced live from DESNZ (UK gov)

PhoneAgent — full directory of services with rentable SMS phone numbers for AI agents. Returns 1,000+ service aliases:

News Gurus Intel API — token authenticity verdict for one Solana mint: 0-1 realness score, confidence, recommended act

Korean K-pop news translated to English. Naver-aggregated headlines from Korean media (Yonhap, Korea Economic Daily, C

One verdict on whether a dependency is safe to add: version, licence, deprecation, advisories, staleness, and the spec

Add a new memory. This method is called every time the user informs anything about themselves, their preferences, or a

Dutch elevation lookup by postcode or coordinate: ground height above NAP, surface height and derived object height, f