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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
49 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 - Xx402engine.appImages, audio & video
x402engine — Premium text-to-speech with ElevenLabs — ultra-realistic voices, multilingual support, custom voice IDs
BaseEVM chain 4326Solanax402engine.appfrom $0.001104 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
Otto AIImages, audio & videoSearch X/Twitter for any query and get the actual matching tweets — keyword, $CASHTAG, from:handle (a user timeline), @handle (mentions), or boolean OR. Each tweet returns author, full text (long-form note tweets included), timestamp, likes and retweets (reply/quote counts when available). Most-recent-first for real-time monitoring and alerting. Live X search backend, pay-per-call USDC, structured
BaseSolanax402.ottoai.servicesfrom $0.00171 endpoints
FiatDock MarketplaceImages, audio & videoPay-per-call: x402 batch honesty probe
BaseSolanafiatdock.comfrom $0.001121 endpoints- Aads.apitoll.cloudImages, audio & video
Facebook Ad Library search by keyword — every live and recent ad matching a search term across all advertisers on Facebook, Instagram, Messenger and Threads. Returns the full ad creative (headline, body copy, CTA button + destination link, image and video URLs), the advertiser, run dates and days-running, and platform mix. Commercial and political ads, no Meta API or login. Competitor ad intellige
BaseSolanaads.apitoll.cloudfrom $0.034 endpoints
HubVibeImages, audio & videoFull website audit in one call: accessibility (WCAG 2.1 A/AA via axe-core), on-page SEO, HTTP security headers and page speed / page weight, from a single browser load of one URL. Cheaper than four separate calls; if any part cannot run, nothing is billed. Use a single audit route when you need only one of the four.
BaseSolanahubvibe-io.comfrom $0.0240 endpoints- Aapi.glianalabs.comImages, audio & video
GlianaAI - pay-per-call AI: LLM chat (OpenAI-compatible), image, video, music, speech - 100+ models, no signup, USDC. This resource: claude-opus-5 (Text Generation). https://ai.glianalabs.com
BaseSolanaapi.glianalabs.comfrom $0.00248 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- Aapi.x-402.onlineImages, audio & video
Answer a question about an image, or describe it, from a URL or base64. Image understanding pay-per-call, no account and no API key: send an image URL (or base64) and an optional question, receive a plain-language answer from a multimodal…
BaseSolanaapi.x-402.onlinefrom $0.00561 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 - QQuartermaster DNS LookupImages, audio & video
Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows.
BaseSolanaquartermaster.surewhynot.appfrom $0.00143 endpoints
ManyLives AIImages, audio & videoRead back values the paying wallet saved with /paid/memory/set: one key, or list your keys by prefix (keys, sizes and expiry, newest first). Another wallet can never see them. No free trial.
BaseSolanaapi.manylives.mefrom $0.00286 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
1gatewayImages, audio & videoUse when scheduling across time zones or turning a local time into UTC without guessing DST. Input: to (IANA zones or KST, PST, CET...), optional from (zone of a local time, default UTC), time (ISO 8601, Unix seconds, or now). Output: JSON UTC instant, Unix time, and per zone: local ISO time with offset, weekday, abbreviation, DST and business-hours flags, day difference. Example: ?time=2026-10-12
BaseSolana1gateway.devfrom $0.00285 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
Minifetch Technical SEO APIImages, audio & videoCheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether Minifetch may fetch a target URL (allow/deny) plus its crawl-delay. If blocked and the site is not yours try our external proxy routes. If blocked and the site is yours or to set a custom crawl-delay read https://minifetch.com/tutorials/unblock-minifetch Checks the URL as give
BaseSolanaminifetch.comfrom $0.00115 endpoints
API AcreImages, audio & videoConvert an offset-aware ISO 8601 instant or a local wall time between IANA time zones with explicit DST gap and repeated-hour handling, nearby transition evidence, and a pinned local time-zone database.
BaseSolanaapiacre.comfrom $0.00142 endpoints
AiSpace VeniceImages, audio & videoAsync text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), paid per request in USDC on Base via x402, no API key. Model ids via GET /api/v1/models?type=video. Lifecycle: quote, queue, retrieve, complete (see related routes).
BaseSolanax402.aispace.botfrom $0.0114 endpoints
AgentUtility.aiImages, audio & videoSearch Hacker News for startup news, YC news, Show HN launches, and founder discussion through the Algolia HN index. Send a query, then filter stories, comments, or polls by author, minimum points, and ISO-8601 date range; sort by relevance or newest first. Returns titles, authors, points, comment counts, timestamps, URLs, and matching text. Use it as a startup news search API, YC news search, Sho
BaseSolanax402.agentutility.aifrom $0.00137 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
SingIt Text to SpeechImages, audio & videoOpenAI Responses API for LLM inference, any model listed at GET /v1/models (GPT, Claude, Gemini, DeepSeek and more). Call it when an agent needs an answer in OpenAI's Responses format with no API key or account. Served by SingIt.
BaseSolanaask.singitai.appfrom $0.001122 endpoints- Kkino402Images, audio & video
Seedance 1.5 pro: 12s at 720p
BaseSolanakino402.comfrom $0.00510 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
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
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
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.