Tell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmetic used by invoicing, logistics and HR systems in Japan.

Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.

Search prepaid eSIM data plans for 180+ countries and regions. Pay in USDC via x402, no account.

Reddit search scraper — keyword-search all of Reddit, or scope to one subreddit, for AI agents. Find posts matching any query, sorted by relevance, top, new, hot, or comments, with an optional time window. Returns each post’s title, author, subreddit, score, comment count, permalink, external link + domain, flair, and timestamp. No login, no API key. Track brand mentions, monitor topics, and surface Reddit discussion for agents.

Convert Gregorian dates to Hijri (Umm al-Qura calendar) and back. Returns day/month/year, Arabic and English month names, and a formatted Arabic date string. Essential for agents handling Islamic events, Ramadan, Hajj seasons, or Arabic documents.

DataForAgents — Steam catalog search for agents (name, genre, price filters)

Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no signup, no API key. Reports STRUCTURAL risk, not reputation: centralized-control powers (mint/pause/blacklist) are flagged regardless of issuer. Score 0-100, higher = structurally safer. See free real samples before paying: GET /samples/index.json

Address-to-zoning lookup for published municipalities. Coverage: 63 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code with lookup method. Positioning: Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Responses include source citations and last-reviewed dates. Price: $0.01/call.

DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain and get structured JSON answers with TTLs. Useful for domain research, email validation and infrastructure checks.

YouTube video transcript extraction with per-segment timing. Returns the caption track as timed segments (start, duration, text) plus the full plain text, or as SRT subtitles. Uses the creator's manual captions when they exist and falls back to YouTube automatic captions. Never downloads media, so it stays fast and light. Cached per video and language. Use it to summarize a talk, quote a video with timestamps, or search inside video content.

Current weekly stock analytics for equity research and pre-trade analysis. Returns the latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.

Read a raw storage slot from any Ethereum contract via eth_getStorageAt

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Payment alone works: the paying wallet is the caller. An API key is optional. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.

Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.

Async text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), paid per request in USDC on Base via x402, no API key. Model ids via GET /api/v1/models?type=video. Lifecycle: quote, queue, retrieve, complete (see related routes).

Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.

BNB Chain RPC (chain 56): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

Zircuit RPC (chain 48900): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

Optimism RPC (chain 10): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

Dokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root and verifies nothing of yours. For real caller verification, POST /paid/verify with {leaf, proof_path, root, rule_version_commitment} plus summary and binding for a dokimo-anchor-v2 close (recompute + on-chain anchor check). Scheme: /merkle-spec.html.