the402 x402 endpoint directory

Checks whether a specific wallet is authorized under a B20 token's transfer-sender policy. If it isn't, that wallet ca

The B20-only rug vector: a token can launch clean and later attach a sender blocklist (PolicyUpdated) — silently becom

🆕 B20 Stablecoin tokens self-declare a fiat currency code (currency() → USD, EUR, …). Reads that declared peg alongsi

🆕 B20 Asset tokens can post on-chain announcements (Announcement: id, description, uri) — issuer notices, corporate a

🆕 Every B20 has ERC-2612 permit built in — approve a spender by signature instead of a transaction. Reads exactly wha

🆕 B20 adds memos to transfers/mints/burns (transferWithMemo) for payment IDs, compliance tags and settlement correlat

Pass a token contract address and get a risk score + flags (ERC-20 conformance, ownership renounce, upgradeable proxy)

🆕 The 'who am I dealing with?' check for agents. Reads Coinbase's ONCHAIN verification (an EAS attestation by verific

Compress up to 16K characters of anything — articles, transcripts, email threads, reports — into 3-5 precise bullet po

Claude-quality translation as a pay-per-call primitive: send text= (up to 6K characters) and to= any language, get onl

State Synthesis - Synthesizes market state from multiple data sources

Searches recent public X posts for a query and scores each tweet's sentiment, returning tweet-level scores plus aggreg

Complete latest daily Keelbase Signal records and full synthesis.

Aggregated cryptocurrency technical analysis rating in a single call: simple and exponential moving averages of three

Is the wallet paying for this request rich? Same on-chain check as /is-rich, against the payer's own address.

Batch Base token safety, honeypot, rug-check and swap-preflight verdicts for up to 5 EVM contracts before a buyer agen

OyaPicks: recently resolved prediction markets and their winning outcome

Get a detailed merchant deep-dive by wallet address. Returns volume stats, buyer diversity, trend signals, and recomme

AV/IT device integration facts for AI agents writing drivers and integrations: control protocol family, transport, TCP

Verify the current Companies House legal status, overdue filing indicators and recorded insolvency observations for a

Brazil Company Decision — Guaranteed Agent Outcome. Give a CNPJ, your objective, budget and required confidence; we pr

Get Amazon Best Sellers for a category on any Amazon marketplace (amazon.com, amazon.de, amazon.co.uk, amazon.co.jp an

Get Amazon product reviews by ASIN or URL: review text, star rating, title, author, date, verified-purchase and Vine f

Search Amazon by keyword and get a structured product list: title, ASIN, brand, price, currency, rating, reviews, Best

Secured-lending due-diligence for a business. Give a company name and a state and get its encumbrance profile: which s

Financial-health verdict for a US FDIC-insured bank from public call-report data. Give a bank name or FDIC cert number

Cited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and syn

Neutral I-Ching bodygraph: the gate and line activations for the personality (birth) and design (Sun 88 degrees of arc

HYPE staking and validator intelligence for Hyperliquid. Answers "who are the top validators", "how concentrated is HY

Prediction market odds in one call: keyword search across Polymarket AND Kalshi simultaneously -- no other market-data

ElevenLabs text-to-speech: send text (up to 4000 chars) with optional voice_id, model, format, and speed; get back a h

Brazil Company Decision — Guaranteed Agent Outcome. Give a CNPJ, your objective, budget and required confidence; we pr

Send an HPKE-sealed literature query to Aubrai and receive an encrypted result. The transport terminates at Aubrai; li

Short video generation API for agents: create a fast 4-second 720p text-to-video draft for Reels, TikTok, Shorts, prod

Generate an image from a text prompt using GPT Image 2 (low quality, 1024x1024). No API key needed; pay per call via x

Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senat

ICS threat actor profile. Pass ?name=SANDWORM. Returns MITRE ATT&CK ICS techniques, known malware, attribution, physic

Replenum: which agents are gaining attention right now? Surfaces agents rising on the visibility signal over a 1h/6h/2

ASN threat intel from Telegram CTI channels. Pass ?asn=AS215540. Returns C2/phishing-kit associations, threat actor me

Dark web intelligence from Telegram: marketplace listings, forum chatter, access broker posts, credential shops, Tor s

Breach disclosures from Telegram. Filters: sector, country, organization, severity, min_confidence, since, limit. Retu

Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senat

Unpaid-claim follow-up triage. Given an action code (RES/CPE/CRO/APP/PAY or blank), balance, and claim ages, returns t

ICS sector change feed — only what is NEW in the last N days. Pass ?sector=water&days=7. Returns new CVEs, new CISA ad

ICS threat actors by sector. Pass ?sector=energy. Returns all groups targeting that sector from live MITRE ATT&CK ICS

US Treasury par yield curve API - every constant-maturity rate from 1 month to 30 years for any published business day

Legal Entity Identifier (LEI) lookup from the GLEIF golden copy. Search by company NAME, not just by identifier - know

stock_intel intelligence for autonomous agents. Signed x402 call. 0.03 USDC on Base.

UK licensed HMOs in a postcode area. Returns all licensed Houses in Multiple Occupation registered with the local coun

Deterministic behavioral scan of an npm package, repo, skill, or file for malicious signals, with evidence bound to a