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Korean exchange prices (Upbit, Bithumb) for a single token in KRW

Honeypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdic

Search onchain DEX pools and token, by contract address, name, or token symbol.

Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.

Palmyr: POST /social/twitter/unfollow

Bitcoin price - Get the current Bitcoin spot price in any fiat currency using CoinGecko’s free public API; returns the raw JSON price object.

Current Crypto Fear & Greed Index (0-100) with its label (Extreme Fear → Extreme Greed), updated daily. A single market-mood gauge for risk-on/risk-off context. For trend over time use /fear-greed/compare or /fear-greed/history.

Cyre Gate — before your agent pays ANY other x402 service, grade the payTo counterparty + spend shape in one cheap call. Patterns, not verdicts. Agent guide: use before non-Cyre awal x402 pay. Agent guide: https://cyre.dev/SKILL.md

OpenAI Responses API for LLM inference, any model listed at GET /v1/models (GPT, Claude, Gemini, DeepSeek and more). Call it when an agent needs an answer in OpenAI's Responses format with no API key or account. Served by SingIt.

Check GitHub's official status source for current incidents, component health, and scheduled maintenance before an agent retries, deploys, or escalates.

Base X profile mini-endpoint. Fetches a full X profile and the 10 most recent tweets for a given handle, returning the raw profile data plus a trimmed tweet list with key engagement metrics and media. Cost: 0.001 USDC per request.

OFAC SDN screen by name, alias (aka/fka/nka), or UID against the Treasury SDN list joined with alt.csv and add.csv. A clean no-match is a valid screening result and is charged.

Current VAT rates for supported European countries (EU-27 + UK, CH, NO...). Standard, reduced and super-reduced rates, provided through the third-party vatnode dataset; verify applicability for your transaction. Use when pricing, invoicing or checking tax for a customer in Europe and you need that country's VAT rate.

Health and payment-path check. Returns server time and confirms the x402 payment settled. The cheapest endpoint in the catalog at $0.001, intended for testing a client's payment flow.

Real-time forex exchange rates for 170+ currencies with USD base. Daily updates from ExchangeRate-API open data. AI agent international payment calculator, cross-border FX, finance dashboard, currency converter API, pay-per-call USDC.

x402 debugging/troubleshooting Q&A: Ask any question, get a cited answer. Whether you need HTTP 402 Payment Required help, facilitator verify & settle (CDP @coinbase/cdp-sdk), Bazaar discovery metadata & listing, protocol documentation, Next.js paid routes, or planning, building, and integrating x402 servers: @x402/core @x402/next @x402/express @x402/hono @x402/fastify @x402/fetch @x402/axios @x40

Crypto News ($0.001 -- matches the category-leading incumbent's price exactly): fixed, no-required-params crypto headline feed -- a drop-in-shaped alternative to the category leader (GET, headlines[] with title/url/source/publishedAt; also mirrors its {status, data:{headlines[] with rank/whyItMatters/match, report}, meta} nesting field-for-field, as an additive alias). Built on this origin's own n

Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data.sec.gov.

Seedance 1.5 pro: 12s at 720p

Crypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).

FOMO's best traders for the period (24h, 7d, 30d or all time), best first. Each entry is the trader's profile (handle, user id, Solana and EVM wallets, picture, follower and trade counts, top holdings) plus rank and pnl for the period (also in FOMO's field pnl24h, pnl7d, pnl30d or totalPnL). This is all FOMO publishes: 150 entries per period, 100 all-time, no paging. Ranks beyond that are per user

pump.fun base rate for Solana memecoins: how many coins first traded inside a market-cap band (e.g. $15k-28k) in a window and the share that reached 2x, 5x, 10x, 20x within 3 h, dead coins counted, from every pump.fun trade ever ($0.005). Use before an alpha call or a buy to say how often coins like this one paid. Yesterday's bands are free at GET /public/baserate.json; for a coin's buyers POST /w

Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made

OpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates

For bots that poll: crowd-state events (a perp entering or leaving a state) since a timestamp, newest first, up to 7 days back. Each event is signed with the mark price at the time. Not investment advice.

Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.

NattSwap cross-chain swap quote (Li.Fi)

Live current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, finance. Date, domain and exact-phrase filters.

Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.