GPT-5.5 (OpenAI) LLM chat completions, OpenAI-compatible, with no API key or account. OpenAI's GPT-5.5 model: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.5 specifically. Served by SingIt.

Grok 4.7 (xAI) LLM chat completions, OpenAI-compatible, with no API key or account. xAI's Grok 4.7 model: general-purpose chat and reasoning. Call it when an agent needs Grok 4.7 specifically. Served by SingIt.

Gemini 3.8 Flash (Google) LLM chat completions, OpenAI-compatible, with no API key or account. Google's fast, lower-cost Gemini model: high-volume or latency-sensitive tasks. Call it when an agent needs Gemini 3.8 Flash specifically. Served by SingIt.

Qwen3.8 Max (Alibaba) LLM chat completions, OpenAI-compatible, with no API key or account. Alibaba's largest Qwen 3.8 model: coding and reasoning tasks. Call it when an agent needs Qwen3.8 Max specifically. Served by SingIt.

DeepSeek V4.1 Flash (DeepSeek) LLM chat completions, OpenAI-compatible, with no API key or account. DeepSeek's fast, lower-cost V4.1 model; also this service's own default model. Call it when an agent needs DeepSeek V4.1 Flash specifically. Served by SingIt.

Gemini 3.1 Pro (Google) LLM chat completions, OpenAI-compatible, with no API key or account. Google's Gemini 3.1 Pro preview model: long-context reasoning and multimodal input. Call it when an agent needs Gemini 3.1 Pro specifically. Served by SingIt.

Keyword gap analysis API - find the Google keywords a competitor ranks for that your domain does not, each with the competitor's ranking position and URL plus monthly search volume, CPC, competition, keyword difficulty and search intent. Surfaces content gaps and keyword opportunities for competitive SEO. Empty results if no gap.

Get recent large cryptocurrency movements (whale alerts)

Token verdict: should I trade this contract? $0.02 USDC. action is GO, HOLD, or STOP. STOP on a scam reputation, under 25 holders, or one wallet holding more than half of a small token. HOLD when the explorer check did not run. GO only when the contract resolved clean. Not a honeypot simulation. Not financial advice.

Use when an agent wants the record behind a seller check: the signed test-buy receipts Lumi Trades holds for one x402 seller (domain, resource URL or payTo), newest first, with date, endpoint, network (Base, XRP Ledger, Stellar), amount, transaction hash, explorer link and outcome (delivered, not delivered or inconclusive). Anyone can verify a receipt for free at /v1/trust/receipts/verify. Not charged on bad input or when Lumi has no test-buy of the seller. Observations, not a guarantee.

Austin short term rental license check: is this property licensed for STR? Property due diligence agent for Austin Texas housing compliance open data. GET ?address= → short-term rental license, status. Live Austin JSON. Host compliance, HOA/property manager, agent workflows.

Get currently trending cryptocurrency tokens

Get Arkham intelligence for an address. $0.20 per call.

Google Trends interest over time for a keyword — search interest as a dated 0-100 series with country targeting (geo) and timeframe windows from the past hour back to 2004: daily points for 30/90-day windows, weekly for 12 months/5 years. For keyword trend analysis, search demand seasonality and SEO keyword research.

Nashville short-term rental permit check: is this property permitted for STR? Property due diligence agent for Nashville Davidson County housing compliance open data. GET ?address= → permit number, status, type. Live Metro Nashville FeatureServer. Host compliance, HOA, agent workflows.

Video generation API, text to video: clips from 30+ models (LongCat, Grok Imagine, Wan, PixVerse, Seedance and more; list at GET /v1/video/models), no API key needed. Call it when an agent needs a short video from a text prompt: it answers with a job to poll. Served by SingIt.

Read a web page the way fetch can't: it is rendered in a real headless browser, so JavaScript and single-page apps load, and it comes back as clean readability markdown with its title and HTTP status. Pay per call in USDC on Base with x402: no account and no API key.

ERC-20 total supply on Base, raw + formatted with decimals and symbol. Use when an agent needs a token's circulating-supply base for market-cap or dilution math.

Get the total supply of any ERC-20 token on Base mainnet. Pass the token contract address. Returns the raw total supply, decimals, symbol and the human-readable supply in one JSON response. Read-only, live on-chain data.

Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address