the402 x402 endpoint directory

Proposed/final rules and notices from a federal agency — the regulatory pipeline that reprices sectors. Pass `?agency=

A company's US patents from the USPTO Open Data Portal, newest filings first. Pass `?company=Tesla` (required, matches

Screen a person or company name against the OFAC SDN and UN Security Council consolidated sanctions lists: fuzzy match

Research keywords with Google autocomplete suggestions, related queries, and intent classification (POST variant)

Paddock best-value provider ranking — one-time query

Extract normalized pages, paragraphs, tables, sections, and geometry from a supplied PDF.

Convert a supplied PDF into Markdown while preserving document structure and tables.

Paid ($0.02 USDC via x402). Markets resolving within ?withinHours (1-72): odds, contested-vs-converged, liquidity, and

Evaluate trust of a domain, URL, wallet address, or API endpoint. Returns composite score 0-100 with grade (A+ to F),

Value a wallet's native balance and specified ERC-20 token holdings in USD.

Read-only EVM contract call (eth_call) with decoded revert reason and optional gas estimate — simulate before you sign

Decode an on-chain transaction and explain it in plain English, with token transfer detection.

Generate a caption, alt text, tags, and dominant colors for an image.

Extract text from an image (photo, screenshot, or scanned document) via OCR.

Every model listed on the OpenRouter marketplace with per-MTok input/output pricing, cached-input rates where publishe

Korean semiconductor industry news translated to English. Covers Samsung Electronics, SK Hynix, HBM/DRAM/NAND memory p

Readable text extraction: fetches one public HTML page server-side and returns clean plain text with the page title, f

Rolling index of NIP-90 Data Vending Machine activity on Nostr. Shows what AI/data services agents are paying each oth

LastLook Data — real-time Sahm Rule recession indicator. Value >= 0.5 signals recession underway. Source: FRED SAHMREA

Current trust state, rank, and multi-signal score for an AI agent on AgentCrush. Updated every 4 hours.

Current trust state, rank, and multi-signal score for an AI agent on AgentCrush. Updated every 4 hours.

Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly

Returns funding data for tokenized equity perpetual futures.

AI-generated executive summary of current market trends, top narratives, and notable momentum shifts.

Returns a list of recently merged PRs across Anthropic/Claude repos (title, author, merge date, labels) with per-repo

Get live Amazon sellers, prices, condition and delivery offers for a specific ASIN.

Returns demand depth for one category: probe volume, distinct sources, buyer-class share, probed price points, and a d

Screen a person or entity against current official OFAC sanctions data before an agent onboards, pays, or transacts. R

Token security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode

Bazaar procurement: POST {url} or {query} for a capability -> the equivalence cluster of functionally-identical x402 l

Claim-denial intelligence for a CARC code (e.g. CO-50, PR-204, CO-197). Returns plain-English meaning, category, wheth

Get the five newest spaceflight news stories with titles, summaries, sources, article URLs, images, and publication ti

Cheapest image generation on x402 Bazaar. Stable Diffusion 3.5 (default), Lustify SDXL/v7/v8, Qwen Image, Chroma, WAI

A ranked, tagged digest of the last 24h of high-signal developer news (AI, devtools, security, infra) with scores, lin

Fast EVM smart-contract malicious-pattern triage. Returns risk score, verdict, top flags, and Phase-6 counterparty int

Biomedical researcher analytics — h-index, citation metrics, institution, publication trajectory, and top topics from

Live crypto narrative and sentiment radar for AI agents. Searches recent X posts and the web, adds a verifiable CoinGe

Shuffle an array using Fisher-Yates algorithm (max 1000 items)

Send a real plaintext email to a recipient you specify, on your behalf, via 01Mind. Every send carries a server-added

Kronos by ForgeMesh current crypto risk state, per-symbol signal streaks, and active cooldown timers. Use as a low-cos

Returns details on ICS malware by name including capabilities.

Live CISA ICS-CERT advisories filtered by vendor or sector. Pass ?vendor=siemens or ?sector=energy. Returns advisory I

Returns cross-asset macro reference numbers from FRED.

Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v2/query)

Service: ScreenshotOne (https://screenshotone.x402.paysponge.com/take)

AI-package release velocity. Per-package releases_24h / releases_7d / releases_30d, latest bump classification (major/

Forward and backward calendar over the AI policy registry. Each entry classified relative to now (past / active / upco

Last 30 days of arXiv preprints flagged as milestone candidates by an offline Qwen 3.6 27B per-paper extraction pass.

Live on-chain spot prices for every token on the Hyperliquid DEX (HYPE, PURR, and hundreds more), quoted in USDC: mid/

Live valuations for private, pre-IPO companies — Anthropic, OpenAI, SpaceX, Anduril, Neuralink, Kalshi, Polymarket — i