the402 x402 endpoint directory

The full FOMC meeting schedule (2025–2027) with the last and next meeting and days-until. Each entry carries the two-d

Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. Fr

The Crypto Fear & Greed index (0–100) with its rating, alongside the US stock Fear & Greed score for comparison, curre

USD/JPY forex exchange rate — US dollar to Japanese yen, major FX pair — Ed25519 signed attestation

Polygon gas price — current transaction fee for Polygon PoS network — Ed25519 signed attestation

Base Sepolia x402 test-shop checkout with Bazaar discovery and a durable operational receipt.

Use this to resolve companies, commodities, cryptoassets, and other underlyings by name, ticker, canonical key, UUID,

CFR legal text — Fetch current Code of Federal Regulations text for a citation.

Pre-execution safety check. Returns `mode` (NORMAL | INCIDENT | DEGRADED), `recommended_posture`, `reason_codes`, and

Look up a company by company_name, website, linkedin_url, or company_id. Any one lookup field is sufficient; company_i

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.