Fetches a URL and evaluates 10 security-critical response headers (CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP), detects anti-patterns, and returns an overall security grade (A–F).

Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are case-insensitive and a leading minus is allowed.

Text completion using the model selected in the request body.

Puell Multiple — Puell Multiple is the ratio of the daily issuance value of bitcoins (in USD) to the 365-day moving average of daily issuance value. Data by Glassnode.

OpenAI-compatible text embeddings API — standard /v1/embeddings request shape: input as a string or a batch of up to 128 strings (64000 chars total on text-embedding-3-small, the default; 24000 on text-embedding-3-large). Flat $0.005 per call in USDC via x402, no OpenAI account or API key. Returns float vectors for RAG, semantic search, clustering, and dedup.

Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first).

Convert text to speech with the eleven-v4-turbo model: returns audio (the base64-encoded file in the format asked for: mp3, opus, aac, flac, wav or pcm) with model, voice, format and chars (the characters spoken). The ten standard voice names each map to their own voice, or name one of 21 named voices directly; the answer names the voice that spoke. 90+ languages.

Fetch and parse any XML sitemap or sitemap index file — returns URLs with their priority, change frequency, and last modified date, follows sitemap indexes one level deep (first 3 child sitemaps), and auto-discovers the sitemap from robots.txt or common paths when given a bare domain — so agents can enumerate site content for crawling, indexing, and SEO analysis.

Google Maps Nearby Search (Partial). Finds places near a latitude/longitude using Google Places supported type filters. Use google-maps/text-search/partial for natural-language searches like "wedding planner" or "event planner".

Email verification & deliverability check (email validator / verifier) — validate an address, detect disposable/temporary domains, flag role-based inboxes, confirm MX records exist, and return a trust/risk score so agents can qualify leads, clean lists, and gate signups without sending a single email.

Reloadpi — List all available voucher brands including Amazon, Google Play, Netflix and more

Single-metric z-score backtest over 5+ years of history per asset. Triggers, trigger rate, and per-horizon forward-return and max-drawdown stats across 8 horizons (1d-365d). Pre-composite single-factor edge testing. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).

Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Returns the points plus first/last/high/low and the percent change over the window - the data behind 'how did this token move over the last N days' without a separate market-data subscription. 404 (not charged) when the token is not in the price feed.

Look up an agent's BlindOracle reputation before you transact with it: score, level and badge, plus counts of its recorded runs (successful and failed). Run counts are the agent's own executions, not settled marketplace jobs; an agent with no history scores zero. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base

Numerical computing (SciPy): root-finding, optimization, numerical integration (quadrature), eigenvalues/vectors, and linear solves — returned with residuals and condition numbers. Paid in USDC on Base or Solana.

One curious but true fact, in English or Spanish, filtered by topic: science, computing, history or nature. Takes parameters, returns an id so you can avoid repeats across a session, and accepts a seed for a reproducible answer.

Executable swap quote on Solana from a DEX aggregator: input and output mint, amount in base units, slippage in bps - returns out amount, minimum out after slippage, price impact percent, the routed DEX labels in hop order with split percentages, the USD value of the swap and the context slot. A real multi-hop route across Solana DEX liquidity, so the number reflects depth, not a spot price. Quote only - nothing is signed or sent. Keyless. Powered by Jupiter.

GSC's payment door — a real one-cent settlement on Base, signed receipt returned. Prove your agent's payment stack here.

Current conditions + 3-day forecast for any city — for travel & planning agents. Input: ?city=Atlanta

Global crypto market overview — total market cap, 24h change, BTC/ETH dominance. Input: (none)