Explore APIs

Compute the next fire times of a standard 5-field cron expression in a named IANA timezone, DST-correct: spring-forward gap times never fire, fall-back repeated times fire at both UTC instants (labelled repeatedWallTime), and when both day-of-month and day-of-week are restricted either matches (Vixie rule). POST a JSON body: expression, timezone, start (ISO instant), count (1-50, default 5). Retur

Translation Skill for Agent Improvement

Write an X thread from a brief — hook, one idea per post, closing payoff. Optionally grounded in a crypto bounty's criteria and project research via bountyId (Pump Fun GO and other venues).

Render a web page and return its content as markdown

Render a web page and return its content as markdown

Solana USDC x402 exact settlement smoke test; costs 0.01 USDC, does not use Lumia.

No description yet.

The observed AI prompts a domain is already cited for, with the answer snippet and the cited URL.

Extract a web page to clean Markdown plus metadata (title, description, links, word count)

HTTP endpoint health audit for one URL: status and redirect chain, latency p50/p95 over repeated samples, TLS certificate expiry and issuer, the response headers that matter, and a list of detected anomalies (missing HSTS/CSP/X-Content-Type-Options, expiring cert, weak TLS, CORS wildcard, insecure cookies, version disclosure, slow p95, redirect loops). Private, loopback and link-local targets are

China FX signal: the onshore USDCNY rate alongside the offshore USDCNH rate, plus the CNH minus CNY spread in pips and basis points. Use this endpoint when an agent needs China FX positioning, RMB depreciation or appreciation pressure, capital-flow stress, or an offshore-versus-onshore arbitrage signal. The onshore/offshore spread is the standard proxy for offshore RMB sentiment and is closely wat

Solana token safety / rug-pull check for SPL tokens (pump.fun, Raydium, Meteora, Jupiter): one-sentence verdict, blocking/warnings/unknowns, mint & freeze authority, RugCheck score & risks, LP locked %, holder count & top-10 concentration, liquidity & price, 1h volume & buy/sell flow, age -> casino|speculative|legit.

Detected changelog update history for one tracked vendor.

Current gas price and fee suggestion on Base or Ethereum: base fee, priority fee (low/standard/fast), max fee to set, and what an ETH transfer, ERC-20 transfer and DEX swap cost right now in gwei, ETH and USD (Chainlink ETH/USD). Know what a transaction costs before you send it.

ChainRay /token-risk

Ethereum: Wallet portfolio: native balance plus every ERC-20 holding with USD price and value, total net worth, NFT collection count. $0.03 per call.

Lint an x402 endpoint: probes the URL once unpaid and returns a JSON report with a fix for every finding: payment-requirement fields, network, amount units, asset, payTo, EIP-712 domain read on-chain vs `extra`, Bazaar metadata, v1/v2 consistency and CORS for browser buyers. Free demo: GET /v1/check?url=

Markdown to a clean, print-ready PDF (US Letter or A4): one-pagers, checklists with tick boxes, cheat sheets, planner pages. Deterministic, no AI rewriting, up to 4 pages / 12k chars. Returns application/pdf.

Use GET /iban?value=… to check checksum validity and retrieve bank name, country and BIC.

Cost-aware crypto perpetual risk report for trading agents: projected net carry, break-even time, market regime, breadth, funding crowding, basis outliers, open interest, 24h persistence, and transparent risk flags.

No description yet.

Probe one public endpoint and diagnose whether agents can discover and parse its unpaid x402 challenge.

Batch canonicalize up to 1000 JSON payloads in one call — one signature, one payment, one attestation. Same RFC 8785 canonicalization as /v1/canonicalize. Use when an agent needs to fingerprint a dataset, dedup a batch of records, or hash many inputs in a single round-trip. $0.01 flat per call (about $0.00001 per item). Free verification at POST /v1/verify.

Send 3-5 words, get one English sentence back. x402 connectivity probe.

Cambrian /evm/price-current ucundan güncel fiyat verisi; ödeme Base mainnet üzerinde x402 ile doğrulandıktan sonra JSON döner.

No description yet.

No description yet.

Whether a date is a business day on one or more settlement calendars (NYSE, Fedwire/FedACH, TARGET2, UK), which holiday closes it, NYSE early closes, and the previous/next business day. Deterministic, no AI.

Store a secret (API key, webhook payload, signed URL) encrypted with WebCrypto AES-256-GCM and share a claim URL that yields the secret exactly once. A Durable Object serializes reads so single-use delivery is race-free, and every burn returns an Ed25519-signed attestation. Creating a vault requires x402 payment; the recipient's claim read (GET /v/:vault_id) is free.

Current EVM block number with multi-RPC failover.