Total value locked for a DeFi protocol (aave, uniswap, aerodrome, lido...) and/or a chain (Base, Ethereum, Solana...), with the chain's TVL rank.

Find air quality monitoring stations that are reporting now, near a place or across a country: name, operator, reference-grade flag, coordinates, distance, pollutants measured and last reading time.

Live gas prices on Ethereum, Base, Arbitrum, Optimism and Polygon: gas price, next base fee, slow/normal/fast priority tips, and USD cost of a simple transfer.

OpenAI-compatible chat completions on IBM Granite 4.0 Micro, the lowest-cost chat here, with tool calling (131K context). Set your OpenAI SDK base URL to https://agentrxi.com/v1/granite and pay per token with x402 instead of an API key: $0.051 per million input and $0.336 per million output tokens, minimum $0.002 a call, at most $0.0049. The 402 quotes your request's maximum; "upto" payers are charged only the tokens used. Same request/response shape as OpenAI (tool calling,

Aviation weather for airports: latest METAR decoded (flight category VFR/IFR, wind, gusts, visibility, ceiling, clouds, temperature, altimeter) plus the TAF forecast, for up to 10 ICAO airport codes.

Citation formatter: a ready reference in APA, MLA, Chicago, Harvard, IEEE, Vancouver or BibTeX from a DOI, an ISBN or any web page URL.

Label an image with ResNet-50 (1,000 ImageNet classes): top-5 labels with confidence. Fast, cheap tagging for photos of animals, objects, food and scenes. Also callable as GET with the same fields as query parameters.

Developer toolbox in one call: sha256/sha1/sha512 hashes, base64/url/hex encode and decode, JWT decode, JSON format/validate, UUIDs, secure random numbers and passwords, regex test, slugify, word count and timestamp conversion. Also callable as GET with the same fields as query parameters.

Fact lookup for grounding: best-matching Wikipedia article summary plus structured Wikidata facts (website, founding date, birth/death dates, population, coordinates) and the source link. Any language edition.

Public holidays for 100+ countries (optional state/province), plus business-day math: count business days between two dates, add N business days to a date, or check if a date is a business day.

Sentiment and tone classification for text (positive / negative / neutral with confidence, plus a one-line reason). Batch up to 20 texts per call. Also callable as GET with the same fields as query parameters.

Electricity prices for every US state for the latest month (residential, commercial, industrial or all sectors) in cents per kWh, ranked cheapest first with 12-month change and the US average.

Run SQL on your data: load JSON rows or CSV (or several named tables) into SQLite and run any SELECT, including GROUP BY, JOIN, window functions and CTEs. Up to 100,000 rows. Also callable as GET with the same fields as query parameters.

Rerank up to 100 documents by relevance to a query (BGE reranker). Returns indices and scores, best first. Drop-in step for RAG and search pipelines. Also callable as GET with the same fields as query parameters.

Private long-term vector memory for an agent: upsert up to 100 texts with metadata (we embed them, multilingual), then search by meaning. Keyed to the paying wallet. from $0.004 per upsert batch (by size), $0.003 per query or delete. Also callable as GET with the same fields as query parameters.

Crypto name lookup: resolve ENS and Basenames (vitalik.eth, jesse.base.eth) to a wallet address with avatar, url, twitter and description records, or reverse-resolve a 0x address to its primary name.

Car VIN check: decodes any VIN (year, make, model, trim, engine, drive, plant) and adds the model year's safety recalls, complaint counts by component and NHTSA crash-test ratings.

Exact calculator for agents: math expressions (functions, powers, factorials), unit conversion (length, mass, volume, area, time, speed, data, energy, pressure, power, temperature) and date arithmetic (add, diff with business days, weekday). Also callable as GET with the same fields as query parameters.

Nutrition facts (USDA FoodData Central): calories, protein, fat, carbs, fiber, sugar, sodium and key minerals for foods and branded products.

Floor price for any Ethereum NFT collection on OpenSea and LooksRare, with the collection name, supply, standard, description, image and social links.