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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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Images, audio & video
53 results- SSiteCheckImages, audio & video
A GitHub user's public profile (name, company, location, blog, bio, followers, public repos, creation date) and their five most-starred repositories that are not forks.
BaseSolanaEVM chain 5042+9api.sitecheck-api.workers.devfrom $0.002224 endpoints - TTwitter/X APIImages, audio & video
Search Twitter/X with structured filters or raw advanced-search syntax. Returns up to 20 normalized tweets with full text, author details, engagement metrics and a pagination cursor.
BasePolygonArbitrum+1twitter.use.x402atlas.comfrom $0.00521 endpoints - UURL Fetch / Web ScrapeImages, audio & video
Fetch any URL (web scraping / URL fetch) and get the raw content: HTML/JSON/text as text, images and PDFs as base64 (for multimodal LLM input), or markdown. Final URL after redirects, status, content type, size. Fetched from Cloudflare's edge (fallback for sites that block it), up to 5 MB. Error statuses are not charged.
BasePolygonSolanaagent-data.centorprat.workers.devfrom $0.00383 endpoints
AgentFeedImages, audio & videoSpot price: the on-chain DEX price for SOL, BTC or ETH, the median of deep USDC pools on Solana, Ethereum and Base read from chain state, and the pools that served it. Use when you need to answer: What is the spot price, without picking a venue? Any other symbol answers 400 with the supported list and is never billed.
SolanaBasePolygon+6x402.ochinimus.appfrom $0.00198 endpoints- My usage (wallet-keyed purchaseImages, audio & video
Your own purchase history, keyed to the wallet that pays for the call - no wallet parameter, no signup: the x402 payment IS the identity, so nobody can read another wallet's profile.
SolanaSeiAvalanche+8agent402.toolsfrom $0.001669 endpoints - SSiteCheck Web IntelImages, audio & video
Wikimedia Commons image search (MediaWiki API, public, no key): file title, direct image URL, size, MIME type, license, author and description for free-licensed files. Returns file metadata only, not image bytes.
BaseSolanaEVM chain 5042+9api.webintel-api.workers.devfrom $0.002129 endpoints - SSiteCheck Shop & SocialImages, audio & video
Hiking trails from OpenStreetMap (via the free Waymarked Trails API), not from AllTrails, which blocks automated access: search by trail name or list routes around a point. Per trail: OSM ID, name, ref, network level, length in km, loop/linear, hardest OSM sac_scale difficulty, surfaces, operator, website, Wikidata, description and center point. No user ratings, reviews or photos (OSM has none). C
BaseSolanaEVM chain 5042+9api.shopsocial-api.workers.devfrom $0.002111 endpoints - AagdataImages, audio & video
Unblocker for AI agents: send {url} and get the page back as clean Markdown, with title, description, language, final URL and HTTP status. Gets through Cloudflare and other common bot protection and can render JavaScript-heavy pages. Set format to html or text for those instead. A page that can't be fetched (blocked, error status or empty) is not charged. No API key, proxy or account: pay per call
BaseSolanaPolygonagdata.shveik.devfrom $0.0231 endpoints - IIP address intelligenceImages, audio & video
Use when an agent must decide who an IP belongs to before blocking or trusting it: one IPv4 or IPv6 address against the two authoritative, keyless public sources - RDAP registry data (holder, country, date, abuse contact) via the ARIN-to-RIR chain, and the origin ASN from Team Cymru's DNS service. No city-level geolocation and no VPN/proxy detection: that needs a licensed database this route delib
BasePolygonArbitrumflat-rate-llm.kikoribera03.workers.devfrom $0.00558 endpoints
Horizon PulseImages, audio & videoCrypto market data: a current USD price snapshot for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400), for quick market context. JSON per asset: priceUsd, change24hPct, momentum; plus overall momentum, sentiment, direction, avgChange24hPct, asOf. Prices from Coinbase Exchange, CoinGecko fallback (source field). Labels are fixed rules on 24h change, not a forecast and not financial advic
BaseSolanaxrpl+1horizonpulse.devfrom $0.00236 endpoints- VVerifyLiteImages, audio & video
Web page to markdown for AI agents: fetch one URL and get its main content as clean, LLM-ready markdown (navigation, ads, footers and scripts removed) with title, description, language, word count and a token estimate. Uses the site's own Markdown version when it offers one. Useful for RAG, summarizing articles, research and feeding pages to an LLM. Not charged if the page can't be fetched or isn'
BaseEVM chain 5042Polygonverifylite.hydratinghealingtouch.workers.devfrom $0.00138 endpoints
Kakerapetit Japan Company DataImages, audio & videoEDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. Returns company code, EDINET document ID, fiscal period, accounting standard (JGAAP/IFRS/USGAAP) and the exact filing timestamp for each report — track new disclosures, trigger data pipelines, or find which Japanese stocks just reported. Query: /v2/calendar?from=2026-06-20&t
BasePolygonapi.kakerapetit.devfrom $0.00211 endpoints
Tanod utilpeekImages, audio & videoutilpeek (Tanod) file upload: PDF, Office, image, audio, CSV, JSON or text stored for up to 24 hours and returned as a download link. Use when an agent holds a file and must give the next tool a URL for it: a link that expires within 24 hours.
SolanaBasePolygon+2tanod.devfrom $0.0005279 endpoints- WWikipedia Article SummaryImages, audio & video
Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.
BasePolygonArbitrum+1wiki.use.x402atlas.comfrom $0.0051 endpoint - SStewardImages, audio & video
Use when an agent or user wants a clean original joke — family-friendly humor from the Synthetic Universe. Pure compute, no upstream. Optional session id avoids repeats. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.
BasePolygonArbitrum+1pay.brianbooms.comfrom $0.00531 endpoints - Aapi.munition.ioImages, audio & video
Munition Firecrawl Scrape: x402-paid web page scraping for AI agents. Pay 0.015 USDC per URL to get the page rendered with JavaScript and converted to clean markdown (optionally raw HTML, links, summary). Use when a plain fetch returns empty, JS-only or 403 content.
BasePolygonArbitrum+1api.munition.iofrom $0.00115 endpoints
CRA AGENT dataImages, audio & videoA short plain-text summary of one Wikipedia article, with its image and last update. Content is CC BY-SA 4.0.
SolanaBaseEVM chain 5042+10api.cra-agent.techfrom $0.000520 endpoints
gate402Images, audio & videoFetch any public URL, render client-side JS, strip nav/ads, return clean LLM-ready Markdown.
BasePolygonArbitrumgate402.appfrom $0.0023 endpoints- HHotel Search, Rates & ReviewsImages, audio & video
Hotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.
BasePolygonArbitrum+1hotels.use.x402atlas.comfrom $0.024 endpoints
api.liquidagent.aiImages, audio & videoSearch Mint & Marquee for gifts and collectibles: products that match what the person wants, under their budget, with price, photo, a short description and a link to buy. Custom 3D printed collectibles and gifts: figurines, statues, keychains, bag tags and branded merch. Soccer, anime, crypto, hypebeast and ancient-art collections.
BaseSolanaPolygon+1api.liquidagent.aifrom $0.00119 endpoints- CCSS Design CalcImages, audio & video
Aspect ratio of a width and height (simplified, nearest common ratio) or the missing side for a ratio, with CSS values.
BaseSolanaPolygon+1css-design-calc.x402tookit.comfrom $0.0212 endpoints - AAudio CalcImages, audio & video
Dynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range.
BaseSolanaPolygon+1audio-calc.x402tookit.comfrom $0.0212 endpoints - GGamePulseImages, audio & video
Esports match schedule for esports and esports-betting agents. Returns today's matches with team context and storylines across LoL, Valorant, and CS2.
BaseSolanaPolygon+8gamepulse.theaslangroupllc.comfrom $0.0511 endpoints - EElectronics CalculatorsImages, audio & video
Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.
BaseSolanaPolygon+1electronics-calc.x402tookit.comfrom $0.0211 endpoints - MMusic TheoryImages, audio & video
Name a chord from its notes (C E G Bb, A C E G): best name, inversion and alternative names; first note is the bass.
BaseSolanaPolygon+1music-theory.x402tookit.comfrom $0.0210 endpoints - NNASA ExoplanetsImages, audio & video
Confirmed exoplanet discovery counts by year and by detection method, with totals, the peak year and a cumulative series.
BaseSolanaPolygon+1exoplanets-nasa.x402tookit.comfrom $0.0210 endpoints - MMusic Production CalcImages, audio & video
Camelot wheel code for a musical key and its harmonic-mixing matches; optionally test if two keys mix.
BaseSolanaPolygon+1music-production-calc.x402tookit.comfrom $0.029 endpoints - FFile Format InspectorImages, audio & video
Compare a file name's extension with its real type from the first bytes; flags executables disguised as documents or images.
BaseSolanaPolygon+1file-formats.x402tookit.comfrom $0.029 endpoints - MMarketPulseImages, audio & video
TTS-ready voiceover narration script for video ads, explainers, podcast ads, YouTube intros or phone greetings: clean plain-text script sized to your duration at ~150 wpm, a delivery-marked version (pauses, emphasis, breaths), timed segments, voice/tone direction, alt openings, pronunciation notes for TTS engines. Paste straight into Voicebox, ElevenLabs or any voice tool.
BaseSolanaPolygon+8marketpulse.theaslangroupllc.comfrom $0.0815 endpoints - CConvert Guru File Type DetectionImages, audio & video
Detects the likely real file format from filename, file creation time, file size, and the first 200 bytes of the file. Identifies common formats such as PDF, DOCX, XLSX, CSV, JPG/JPEG, PNG, WEBP, HEIC, TXT, HTML, MP3, WAV, MP4, AVI, MPEG, and WEBM, as well as about 15,000 other file types.
BasePolygonArbitrum+1convert.gurufrom $0.0022 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.