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Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (the works it cites) and its cited-by list (recent works that cite it), plus full metadata and citation count â for bibliography building and citation lookup. Keyless via OpenAlex and Semantic Scholar.

Building permit records. Construction and building permits across Chicago, NYC, Seattle, and San Francisco â type, status, address, cost, and issue date.

Literature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or OpenAlex id) or a topic query, returns semantically similar and recommended scholarly papers to expand a reading list or systematic review, via Semantic Scholar recommendations with an OpenAlex related-works fallback. Keyless.

Google Trends related search queries for a keyword by country â top & rising terms for SEO keyword research, query expansion and content ideas.

Google Trends related queries for a keyword. Returns the searches people run alongside a keyword in a given country: top queries scored 0-100 relative to each other, and rising queries with their percentage growth. Google Trends keyword expansion for SEO keyword research, content planning, and spotting breakout search demand early.

Google Trends related topics for a keyword by country â top & rising topics for SEO content research, trend discovery and market analysis.

Google Trends related topics for a keyword. Returns the topics and named entities associated with a keyword in a given country, as top topics scored 0-100 relative to each other and rising topics with percentage growth, each carrying its entity type. Google Trends topic discovery for market research and content planning.

Scrape any web page to clean markdown. A keyless web scraper that converts a single URL into LLM-ready markdown plus structured metadata (title, headings, links, word count), so an agent can read a page without running a browser. A per-call alternative to Firecrawl's scrape endpoint, with no API key and no account. Single page per call, not a site crawler.

Search Volume History$0.03Ahrefs

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Track total search volume of keywords a target ranks for over time.

Volume by Country$0.03Ahrefs

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Split a keyword's search volume across countries.

DeFi yield and APY across pools. Returns the top yield-farming pools via DefiLlama with current APY, base and reward APY split, TVL, chain, and project, filterable by chain, project, symbol, stablecoin-only, minimum TVL, and minimum APY. For yield discovery and comparing APY across protocols. Keyless.

YouTube video data. Title, channel, description, view count, duration, keywords, thumbnails, and a best-effort caption transcript for any video â keyless.

Get a 24-hour news summary for a specific token/ticker, combining internal news data with web search results. Returns decision-grade bullet points for fund managers and trading agents.

Validate and standardize a postal address. Returns structured components, validity confidence, and suggested corrections. Works for 200+ countries via OpenStreetMap Nominatim.

Generate a user-facing changelog from git commits. Groups by type, writes human-readable descriptions. Supports Keep a Changelog, semantic, and bullet formats.

Rank and select document chunks by relevance to fit within a token budget. Returns selected/excluded chunks with scores.

Parse ambiguous date strings into ISO 8601. Handles '3/4/25', 'March 4th', '4. mars 2025', '2025-W14'. Detects ambiguity.

Parse ambiguous date strings into ISO 8601. Handles '3/4/25', 'March 4th', '4. mars 2025', '2025-W14'. Detects ambiguity.

Compare two JSON objects and return structured diff. Shows added, removed, and changed fields with paths and values. Algorithmic.

Perform a comprehensive DNS lookup for a domain. Returns A, AAAA, MX, NS, TXT, CNAME records plus SPF and DMARC detection.

Perform a comprehensive DNS lookup for a domain. Returns A, AAAA, MX, NS, TXT, CNAME records plus SPF and DMARC detection.

Quick domain registration age lookup. Returns creation date, age in days, registrar, and expiry date. Useful for fraud detection — newly registered domains are higher risk.

Calculate a trust score for an email address. Assesses domain age, MX configuration, disposable domain detection, and email provider reputation. Returns a 0-100 risk score.

Validate an email address: RFC 5322 syntax, MX records, 5,361 disposable domain detection, role-based address detection (35 patterns), free provider detection, and typo suggestion for common providers (gmial.com ? gmail.com). Returns deliverability assess…

Validate an email address: RFC 5322 syntax, MX records, 5,361 disposable domain detection, role-based address detection (35 patterns), free provider detection, and typo suggestion for common providers (gmial.com ? gmail.com). Returns deliverability assess…

Get keyword suggestions from Google Autocomplete. Returns suggestions, questions, comparisons, long-tail keywords.

Extract all links from a page with context. Filter by internal/external. Returns URL, anchor text, rel attributes.

Extract all metadata from a URL: Open Graph, Twitter cards, JSON-LD, favicon, canonical URL, RSS feeds, robots directives.

Parse a full name into components: first, middle, last, prefix, suffix, nickname. Handles 'Dr. Karl-Johan von Lindström III' correctly.

Parse and normalize phone numbers to E.164 format. Detects country, carrier type, validates format. Uses libphonenumber.