Explore APIs

open-meteo/forecast via Cracked, the tool router for agents. One POST /v1/run executes any of 68,000+ tools: {"capability","input"} for a smart run or {"provider","endpoint","input"} for a direct run. Discover free at POST /v1/discover, read schemas at POST /v1/inspect. Quote = provider price + platform fee, never below $0.01; failed runs are never settled.

A signed card-v0 commission receipt for one named subject, plus every already-signed measurement card on file for it. Payment never mints a MEASURED cell.

On-chain contract risk score: detects upgradeable proxies and privileged functions from live bytecode. Use before trading/interacting with an unfamiliar contract.

Check a public webpage and determine whether a user-specified factual condition is currently true.

EVM address checksum and validation — check an Ethereum/Base address format before sending funds.

EVM address format, lowercase form and EIP-55 checksum in checksum mode — check an Ethereum/Base address before sending funds.

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Use when you have a company name (or partial ticker) and need its exact ticker and SEC CIK before looking up financials or filings: matches against SEC's official ticker list (NYSE, Nasdaq, OTC, CBOE; about 10,000 SEC-registered companies), exact ticker first, then ticker prefix and name words. Up to 25 results.

CodeNut Credit x402 Offer - $0.01 to get 100x worth of CodeNut credits!

Make a $0.01 USDC tip through the x402 v2 flow. Returns a thank-you receipt. Lowest-friction first payment to verify x402 flow.

All statutory holiday periods and 调休 make-up workdays for a year in mainland China, with the official notice reference.

Weibo real-time hot search list (Sina Weibo trending topics) in Chinese, with rank, topic title, heat score and tag. A second opinion next to /cn/trends, which uses Baidu. Optional ?limit=1-50. No API key and no signup: call the endpoint, it answers HTTP 402 with the payment terms, pay per request in USDC on Base with any x402-compatible client or wallet, then retry the same request to get the dat

Evaluate equivalent deployments across AWS, Azure, GCP, OCI, and DigitalOcean.

Deterministic OHLCV for an exact half-open range, with a SHA-256 Merkle manifest. Only closed candles are returned - a forming candle would hand you lookahead. Exchange decimal strings are preserved byte for byte, so the same query always yields the same root. Gaps and exchange revisions are reported rather than silently applied.

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Spot FX: one ECB reference conversion, plain text. Conversion is calculated from the ECB reference rate (amount × rate). Indicative only. Not a trade quote, not for settlement. Informational only / not for transaction use. Source: ECB statistics. These reference rates are free at https://www.ecb.europa.eu (and via Frankfurter). Not sold or endorsed by the ECB.

Fetch a public URL as markdown from the public HTML (Readability)

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

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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.