x402 service explorer

Base gas price check: the current gas price and latest block number; add ?gasLimit=150000 to also get what a transaction that size costs in ETH and USD

one machine thought — error404.life, the house of missing things, answers its sibling status code. pay a penny, the door opens with a receipt. door 402 of the toll booth.

ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied. Ethereum or Base mainnet. Pay 0.003 USDC.

Single-fact: what does Ethereum mainnet gas cost RIGHT NOW? Returns the latest block’s base fee + blob base fee AND the consensus-computed next-block projection (not a gu

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

OT-contextualised CVE triage for ICS/SCADA. Pass ?id=CVE-XXXX-XXXX. Returns OT-adjusted severity, cyber-physical impact, patch feasibility, CISA KEV status, and prioritis

Compare AI model prices side-by-side: a live price leaderboard of LLM token cost for GPT-5, Claude 5, Claude Sonnet, Gemini 3 Pro, Llama 4, DeepSeek V4, Grok 4, Mistral L

Cheapest LLM on CDP x402 Bazaar. OpenAI-compatible chat completion. Default OpenAI GPT-OSS 120B; also offers Llama 3.2 3B, Mistral Small 24B, Gemma 3 27B, Qwen3.5 9B, and

Use this when the user asks which prediction-market signal is currently designated as featured by Quotient. Returns its published side and status, entry and current field

Base wallet lookup: an address's primary basename, ETH balance, transaction count, and whether it is a contract

AI model capability, specs and limits table for 2,000+ LLMs — GPT-5, GPT-4o, Claude 5, Claude Sonnet, Gemini 3 Pro, Llama 4, DeepSeek V4 and more: context window size, ma

Notarize any public web page or API response: fetches the URL server-side, archives the exact bytes, and returns a tamper-evident ed25519 attestation recording the final

One prediction market by keyword: the single highest-volume live match, with venue, implied probability, 24h USD volume, and end date. Pass ?q=.

Get a Firebase ID token for authenticating with the callable APIs

US energy benchmark prices from the EIA (Energy Information Administration) open data API.

Look up DNS records for any domain — A, AAAA, MX, NS, TXT, CNAME, SOA. Use for domain diagnostics, mail server lookup, DNS resolution, and domain verification.

Underground Cultural District — catalog of 228 themed digital products (poetry, philosophy, fiction, reflection, plant meditations). One settle returns the full menu with

Global US House Periodic Transaction Report activity for stock-backed trades. Supports overview, latest disclosures, focused buys/sells, active tickers, active members, d

Check a French company for official insolvency, deregistration and business-sale announcements before you invoice or extend credit: dated event timeline and factual flags

Validate any EU VAT number live against the official European Commission VIES service before you invoice cross-border, or derive and check the French VAT number from a SI

Before your agent underwrites, reinsures or stress-tests a climate exposure: rank a target year's season against 30 years of a location's climate history (Copernicus ERA5

Before your agent prices or settles a parametric-insurance trigger, or screens weather risk for agriculture and construction: climate-event indices for any GPS point or c

Cross-provider arbitrage analytics for hosted inference. Per-model: cheapest_paid, most_expensive_paid, spread_usd, savings_pct, median_paid_blended, fastest_tps, cheapes

SYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert flag above 50

Full technical analysis — 18 indicators + AI signal summary

Before your agent onboards, pays, or contracts with a counterparty: screen the name against the U.S. Treasury OFAC sanctions lists (SDN + Consolidated non-SDN, synced eve

IBAN validate offline: ISO 13616 length + mod-97 checksum; electronic form for SEPA/payout. structure_only — not bank-name/BIC/existence. Gate before transfer. agent402.c

CVE lookup

Search Reddit posts

The table + column schema for the onchain-sql tool - every queryable table (base.events, base.transactions, base.blocks, base.decoded_user_operations, base.transaction_at

Ranks a wallet's active token approvals by USD-at-risk x unlimited-allowance x unlabelled-spender, and returns a prioritised revoke queue. Approvals are the #1 drain vect

List the merchants behind the catalog. Filter by name or domain search, by country, or by product count, and page through the results.

How to make money with AI — one tailored business-in-a-box. Give a goal, budget and interests; get a specific business to start now: the exact real-time PulseNetwork API

Complete token portfolio for a Base address with USD values: every ERC-20 the wallet holds, priced from live DEX liquidity, plus native ETH — sorted by value with a total

EOA vs contract, ETH + USDC balance, transaction count and activity level — straight from Base RPC. Useful for counterparty and wallet checks.

🆕 Base Account spend permissions let an app or agent spend a scoped, recurring allowance from a wallet — the primitive behind autonomous agent payments on Base. This rec

Convert between the shapes data actually arrives in: CSV or TSV to JSON, JSON to CSV or TSV, CSV to a Markdown table, Markdown to HTML. Proper RFC 4180 parsing — quoted f

Looks up a Twitter user's recent public tweets by handle, with metrics and pagination. Same backend as user-tweets: resolves the username, then fetches recent public post

$0.001/page. Split a PDF by page ranges or burst it into single pages. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.001/call. Read a PDF's outline/bookmark tree as JSON — navigate structure before extracting. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.001/page. Password-protect a PDF with 256-bit AES and set permissions. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Enriched quote for an x402 endpoint: probes it unpaid (never pays, SSRF-checked), decodes {price, asset, network, payTo}, then compares the USD price against the live Baz

GitHub repository health + license compliance in one call: license, stars, maintenance status, red flags (archived, stale, missing license), reuse readiness score.

All 30 NBA teams with ID, city, abbreviation, conference, and division. Use team IDs to query schedules and standings.

Build one cited public-record follow-up packet after the caller explicitly confirms a homebuyer, land-investor, developer-predevelopment, or commercial-tenant profile. A

Native ETH and ERC-20 token balances for a Base address in one call, read live from chain at a stated block height.

Current Base gas conditions: base fee and priority fee in gwei, at a stated block height. For agents deciding whether to transact now or wait.

Token intelligence report for any Base token: market snapshot, on-chain overview, sentiment & narrative analysis, risk flags. Real-time web research + LLM. Keywords: toke

x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200

Returns all metadata fields plus the full transcript and rights-holder contact information for licensing. Requires declaring an intended use, which is logged as a licence