Infer a basic JSON Schema (types, object properties, array item type) from an example document.

GPT Mini API - pay per call, no API key. OpenAI-format chat completions on openai/gpt-5.4-mini, pinned to OpenAI's own OpenRouter endpoint for reliability. You sign a fixed price computed from your max_tokens; unused tokens are not refunded. 20s server-side timeout with an automatic 2nd-provider retry if the first is slow - never charged if both miss; set your client timeout to 30s. Try GET /llm/gpt-mini/sample.

Paid AI-agent access to Blockchain.com Explorer API

Ray-casting point-in-polygon test (planar approximation - fine for city/region-scale polygons).

Paid AI-agent access to Blockchain.com Explorer API

Geographic (great-circle) midpoint between two lat/lon points.

Split an integer amount of cents among N ratios with zero rounding loss (Fowler's allocation algorithm) - the parts always sum back to the original amount.

Paid AI-agent access to Blockchain.com Explorer API

Prediction markets and odds, live from Hyperliquid ($0.005): every open HIP-4 market as a plain question with each option's probability, 24h change and USDC volume, most traded first: crypto and stock price targets, Fed rate decisions, IPOs (Anthropic, OpenAI), sports and awards. Filter by category or text. Use for market-implied odds.

Fed rate odds: FOMC rate cut, hold or hike probability ($0.005) for the next Federal Reserve decision and other central banks, priced on Hyperliquid prediction markets, with 24h change in points, USDC volume and the decision date. Use before trading around a rate decision.

Paid AI-agent access to Blockchain.com Explorer API

Prediction market movers: biggest odds swings ($0.005) on Hyperliquid prediction markets over the last hours=1-720: the option whose probability moved most, from and to, change in points, 24h volume and resolution date, for Fed decisions, IPOs, crypto and stock price targets and sports. Use to catch event repricing early.

Paid AI-agent access to Blockchain.com Explorer API

Convert decimal degrees to degrees/minutes/seconds, or DMS back to decimal degrees.

Paid AI-agent access to Blockchain.com Explorer API

Initial compass bearing (0-360 degrees, clockwise from true north) from point 1 to point 2.

Bounding box (min/max lat and lon) enclosing a list of points.

Simplify a fraction to lowest terms and return its decimal value.

Risk-on risk-off market gauge: a 0-100 score and label from trade-flow regime, stablecoin issuance, the Treasury curve, tokenized treasury flows, perp crowding and macro releases. Use as one number before sizing any trade.

SEC Form 144 insider sale notices of a US stock: proposed sales by officers, directors and 10% holders over days=1-365 - planned sale value, sellers, relationship and dates. Use to see insider sales before they happen.