Official Colombian peso per US dollar rate (TRM) with validity dates, change versus the previous period, window average, high, low and history

Solve volts, amps, ohms and watts from any two known values, with milliamps, kilohms and a recommended resistor wattage rating with a 2x margin

Up to 10 Chainlink price feeds read in one batched on-chain call - price, age, heartbeat and staleness for each pair, with a list of stale or unknown feeds

Infer a JSON Schema from a sample JSON document - types, nested objects and arrays, required fields and string formats like email, date, uri and uuid

Screen a name against the UN Security Council consolidated sanctions list - individuals and entities with aliases, reference, listing date and notes

Add/subtract, count or find business days across countries and subdivisions; list public holidays. Bundled 2024–2030 calendars, inclusive ranges, explicit weekends and closures, source attribution and coverage warnings. See /calendar/coverage.

AI-generated standard research report (Open Research Agent)

Wallet-risk check before paying any wallet: OFAC sanctions screening, whether it's a monitored x402 seller's payout wallet and how long it's been stable, recent unconfirmed payout-wallet switches to it (possible hijack), seller declarations, x402 payment history, and on-chain intelligence (first funder, one step back, wallet age and activity). Add compare=<other wallet> for same-owner evidence and a 0-1 confidence. Verdict: clear, caution, or block.

Japanese address from a seven-digit postal code - prefecture, city and town in Japanese plus kana readings and the prefecture code from Japan Post data

The most-traded prediction markets right now on Polymarket and Kalshi, ranked by 24-hour volume: the market-implied probability for each outcome, its 24-hour change, volume, liquidity and close date, with links. One call instead of paging two exchanges' APIs. Rebuilt every hour. $0.01 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/prediction-markets/sample.

One attention snapshot: Google's trending searches in the US with traffic estimates and the stories behind them, the most-read Wikipedia articles (yesterday), today's trending GitHub repositories with stars gained, and the Hacker News front page with points and comment counts. Rebuilt every hour. $0.01 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/trending/sample.

Full trust report for an x402 endpoint: score breakdown, current quote, wallet/price events, and paid delivery checks. For teams: per-agent spend limits, signed receipts, and an audit trail at lumierepaycheck.org/subscribe.

What changed in AI: newly released models and API price changes across providers (detected by comparing editions), a current LLM price sheet in $ per million tokens with context lengths, the trending open models, the most upvoted new research papers, and the AI stories on the Hacker News front page. Rebuilt every hour. $0.01 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/ai/sample.

ERC-20 token balance of a wallet on 16 EVM chains, raw and decimal-scaled, with the token symbol and name, read through balanceOf.

Munition Google Search: x402-paid Google web search results for AI agents via Serper. Pay 0.004 USDC per query for organic results (title, link, snippet, position), answer box, knowledge graph, people-also-ask and related searches. Country and language selectable.

FDA medical device classification by name - device class I to III, product code, regulation number, specialty, implant and life-sustaining flags

One-shot prepaid tap: empty body buys a 100000-token openai/gpt-6-luna key

A bettor's Even Steven positions on one market: stakes that pay even money at liquidity, the early line each bet locked, and claim status, with the flat 2% fee on stake already paid upfront.

Latest block number for 16 EVM chains: chain tip height, block hash, block time and head age in seconds, read straight from chain RPC.

Official Swedish and Finnish statistics - browse SCB and StatFin folders, inspect a table's variables, then pull CPI, population or labour data by code