Fetch a URL and detect the full technology stack from HTTP response headers, HTML meta tags, cookies, and script patterns — returns CMS, framework, CDN, server, analytics, and security tool detections so agents can profile any web target without a browser.

Full detail for ONE Polymarket prediction market by id or slug — question, description, every outcome with its current price (implied probability), volume, liquidity, open/close dates, resolution source, category, and status. No API key. The drill-in companion to /prediction/markets (browse/search): find a market there, then pull its full state here. Pass id or slug as query (GET) or a JSON body (POST).

Live gas prices across Base, Ethereum, Arbitrum, Optimism, and Polygon with USD cost estimates for a transfer, an ERC-20 send, and a swap — keyless, one call, all chains. Per chain: gas price + EIP-1559 base/priority fee in gwei, native-token USD price, 15s cache. L2 figures are execution-gas only (L1 data fee excluded, flagged in findings).

13F institutional holdings rollup: top-held names, filer roster, per-ticker holder counts (top 300)

Daily historical exchange-rate series for any currency pair — fiat via ECB reference data, crypto via Coinbase daily closes — with min/max/average/change stats, no API key. Pass start/end dates or a days lookback (default 30). The history sibling of /currency-exchange/convert: trend and repricing context for the pairs agents already quote spot.

Moderate text content using Claude Haiku — flags categories like harassment, hate, sexual content, violence, self-harm, and spam with per-category severity and an overall allow/flag/block recommendation, so agents can screen user-generated content before publishing or storing it.

Look up public holidays for any country and year, check whether a specific date is a holiday, and calculate the next business day — so agents can handle scheduling, SLA calculations, deadline setting, and date-aware workflows without hardcoding country-specific holiday rules.

Parse and validate any phone number in any format, identify its country and line type (mobile/landline/VOIP/toll-free/premium for NANP + UK numbers; other countries return line_type unknown), and return all standard format variants (E.164, international, national) — catches fictional/unassigned NANP numbers (555 area code, 555-01XX range) so agents can validate contacts and normalize phone data without a paid telecom API.

Call OpenAI's gpt-4.1-mini via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output.

Call OpenAI's gpt-4.1-nano via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output.

Same KOL confluence feed as kol_signals_live with every row at least 45 minutes old — the evaluation tier

Calculates IPv4/IPv6 subnet details from CIDR notation — network/broadcast, netmask, wildcard (Cisco ACL) mask, binary/hex masks, usable host range, RFC classification (private/loopback/multicast), supernet, and subnet-split counts. Pass comma-separated CIDRs to detect overlaps and classify each pair (subnet/supernet/partial overlap/disjoint); multi-CIDR responses return {subnets, overlaps}.

Scrape any public web page and get clean structured JSON (title, text, meta). Pay per call with USDC on Base.

News Gurus Intel API — recent unusual options-flow signals: sweep clusters and large-premium prints across the active equity universe, with direction, strength, confidence and a derived size_bucket (block/large/mid/small). The per-call alternative to $50-150/mo flow subscriptions. Lookback via ?hours= (default 24). Educational data, not financial advice.

Send email notification for payment confirmations, alerts, receipts.

QR code generation returning clean scalable SVG: any text/URL up to 1800 chars, selectable error-correction level (L/M/Q/H).

Returns matching workflows from 819 agent automation prompts with slug, title, description, and complexity — use it to find a ready-made automation instead of building one from scratch. Search by keyword to locate a Slack-to-Notion sync, an email-to-CRM pipeline, a dev-tool integration, or any pre-built workflow an agent can run directly, ranked by relevance with pagination via limit and offset.

x402swag.com — merch store for AI agents and builders. T-shirts, stickers, mugs and custom print-on-demand designs. Full catalog with prices, variants and the exact buy flow in one call.

Returns the ForgeMesh signal-safety endpoint list with path and description for anomaly detection, calibration, and verification — use it to discover infrastructure endpoints before integrating.

BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.