api.x402node.dev
Recover the signer of an EIP-191 personal_sign signature over a message, and optionally check it against an expected address. For verifying agent and wallet signatures. verify signature, ecrecover, personal sign, eip191, signer recovery
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api.x402node.dev
Text statistics, word count, character count, line counter, text analyzer, reading time estimate, paragraph counter, sentence counter, text length, wordcount API, count words in text. Get word/char/line/paragraph/sentence count and reading time estimate.
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api.x402node.dev
Search Wikidata entities (structured knowledge graph). Returns entity id (Q-number), label, description, concept URI, aliases. Use ?q=YOUR_QUERY plus optional and lang=en and limit=10. Built for AI agents needing canonical entity disambiguation and Linked Data IRIs.
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api.x402node.dev
base64 encode, base64 decode, Base64 encoder, Base64 decoder, encode base64, decode base64, base64 encode online, base64url, URL-safe Base64, RFC 4648 encode, encode text to base64, decode base64 string, JWT prep, data URI encode, binary base64 encoding. Standard or URL-safe Base64 encoding/decoding of any text. For AI agents, JWT manipulation, API token handling, data URI generation, base64 converter
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api.x402node.dev
readability score, text readability, Flesch reading ease, reading grade level, reading level, text difficulty, reading age, readability index, text complexity, readability analysis, reading grade, reading ease, text level. Analyze text readability with multiple metrics including reading ease, grade level, syllable and sentence counts. For AI agents content optimization, education tools, writing assistants, accessibility checks.
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api.x402node.dev
Password strength estimator, score 0-4, zxcvbn-style heuristics, crack time, weak password detection. Returns score, feedback, estimated crack time.
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api.x402node.dev
Look up Gravatar avatar URL + public profile by email. Returns md5/sha256 hashes, sized avatar URLs, default-icon variants, and profile JSON (display name, location, links, accounts) if it exists. Use ?email=user@example.com. Built for AI agents enriching user data and onboarding.
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api.x402node.dev
code formatter, prettier, code beautifier, JavaScript formatter, TypeScript formatter, JSON formatter, HTML formatter, CSS formatter, Markdown formatter, YAML formatter. Format code using Prettier. Supports JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, GraphQL. Auto-detects parser if not specified. For AI agents writing or fixing code in pipelines.
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api.x402node.dev
Structured page extraction — clean markdown plus extracted links and headings as structured data, via managed retrieval with JS rendering. For RAG, crawling and content analysis. web extract, structured extraction, links, headings, markdown, rag, crawling, content analysis
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api.x402node.dev
Universal flight status lookup by number and optional date: scheduled vs actual times, delay, gate, terminal, baggage carousel, aircraft type, route distance. 通用航班状态:按航班号+日期查计划与实际时刻、延误、登机口。日付指定フライト照会。Consulta de vuelo por numero y fecha. 항공편 번호와 날짜로 조회. Query: ?flight=AA100 or ?flight=AA100 date=2026-06-23
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api.x402node.dev
ERC20 token USD price with 24 hour percent change and the source exchange, by contract address and chain, from an indexed DEX-aware price source behind an API key. Live token price with change. token price, erc20 usd price, 24h change, dex price, token quote
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api.x402node.dev
Options put/call ratio for BTC or ETH by open interest, aggregated from Deribit, with total call and put open interest and a sentiment read. The market-standard options positioning gauge an LLM cannot produce. Live data for hedging and sentiment. put call ratio, options open interest, options sentiment, deribit
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api.x402node.dev
Generate consistent avatar URLs for any name/seed via DiceBear (19 styles incl. bottts, avataaars, pixel-art, lorelei) or UI-Avatars (initials). Returns SVG/PNG URLs and available style list. Use ?name=Alice and style=bottts. Built for AI agents auto-generating profile pics for synthetic users, comments, demos.
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api.x402node.dev
Wallet activity profile - total transactions, NFT and token counts classified into an activity tier (dormant/regular/active/bot) - helps agents gauge whether a counterparty is an established user or a fresh/suspicious wallet, from data behind an API key. wallet activity, wallet age, tx count, account activity, wallet profile, fresh wallet detection
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api.x402node.dev
Perpetual premium and basis for a symbol: OKX perp mark price versus the spot index, returning the absolute basis, premium percent and an interpretation of perp positioning. Live data for basis trades, premium monitoring and spot-perp divergence. perp premium, spot perp basis, mark vs index, contango
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api.x402node.dev
Ranks perpetual swaps by 24h USD volume across the OKX market in a single call, surfacing where derivatives liquidity and trader attention are concentrated right now. Live aggregated screener an LLM cannot produce. perp volume leaders, most active perpetuals, derivatives liquidity, hottest perps
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api.x402node.dev
podcast rss parser, podcast feed parser, iTunes podcast feed, podcast metadata API, podcast episode extractor, podcast audio URL extractor. Parse podcast RSS feed with iTunes namespace. Returns metadata (author, image, category) plus episodes with audio_url, audio_type, duration, episode and season. For AI agents indexing podcasts.
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api.x402node.dev
Public professional profile or company page fetch — clean content via managed retrieval with residential routing and JS rendering. For B2B research, lead enrichment and recruiting intelligence. linkedin, profile lookup, company data, b2b research, lead enrichment, recruiting, walled-garden data
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api.x402node.dev
Public social profile or post fetch — clean content via managed retrieval with residential routing and JS rendering. For social listening, sentiment, influencer and brand research. social lookup, x, twitter, social media, social listening, sentiment, influencer research, walled-garden data
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api.x402node.dev
Total stablecoin circulating supply per blockchain, ranked, showing where dollar liquidity sits. For routing, market and risk analysis. Live stablecoin supply by chain. stablecoin by chain, dollar liquidity, chain stablecoin supply, defi liquidity, chain ranking
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