Explore APIs
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- PPackage RegistriesImages, audio & video
Homebrew formula status: version, license, deprecation or disablement, install counts over 30, 90 and 365 days.
BaseSolanaPolygon+1package-registries.x402tookit.comfrom $0.028 endpoints - CChess Notation ToolsImages, audio & video
Render a FEN position as an 8x8 ASCII board (White at the bottom) plus a piece-by-square list.
BaseSolanaPolygon+1chess-notation.x402tookit.comfrom $0.028 endpoints - AagproxyImages, audio & video
Fetch one URL from a residential IP and get the raw response as JSON: status, final URL, headers and body (text or base64), up to 10 MB. GET, HEAD or POST, your own headers, an optional country. No JavaScript rendering. You pay for the megabytes delivered; a fetch that fails is not charged. Pay per call in stablecoins.
BasePolygonSolanaagproxy.shveik.devfrom $0.022 endpoints
Prepaid credit $0.1 (+10%)Images, audio & videoTop up $0.1 USDC and get $0.11 of agentsvc.io credit (10% bonus), valid 180 days. Returns a bearer token: send "Authorization: Bearer <token>" with any /api/v1/proxy/{slug} call or MCP request instead of an x402 payment. Calls are then paid from the balance without an on-chain step (a few milliseconds). Failed calls are refunded. To add to an existing token, send it in the Authorization header wit
BasePolygonArbitrum+1agentsvc.iofrom $0.002128 endpoints- UURL to Base64Images, audio & video
Fetch any public URL and return its content as base64 with the content type and a ready-to-use data URI. Embed images, PDFs and files directly in LLM and API calls without downloading them yourself. Clean JSON.
BasePolygonArbitrum+1base64encode.use.x402atlas.comfrom $0.011 endpoint - PPublishing CalcImages, audio & video
Audiobook running time from a word count at about 9,300 words per hour (change it), as hours and clock time.
BaseSolanaPolygon+1publishing-calc.x402tookit.comfrom $0.024 endpoints - PPhotography CalculatorsImages, audio & video
Crop factor of a sensor, with the full-frame equivalent focal length, aperture and ISO for a lens, or a custom sensor size.
BaseSolanaPolygon+1photo-calc.x402tookit.comfrom $0.025 endpoints
PerpRadar by AgentGateImages, audio & videoBulk token risk check API for Base (batch honeypot and rug scan). Batch Base token risk verdicts: up to 20 ERC-20 addresses in one call, priced per address, each with the same fixed JSON as /v1/verdict (verdict safe / caution / danger, risk_score 0-100, honeypot and tax simulation, owner privileges, proxy, LP, holders, verified, age; unknown when a source is down). Charged only when at least one a
BasePolygonArbitrum+1api.youraitools.cofrom $0.000569 endpoints- VVerifiable Random ToolsImages, audio & video
Verifiable Random shuffle — a uniform Fisher-Yates permutation bound to a future drand round the server waits for (typically 3-6s) and verifies locally, with original indices and a reproducible proof transcript.
BasePolygonArbitrum+1verifiable-random.use.x402atlas.comfrom $0.0053 endpoints
DevX VoiceImages, audio & videoMachine translation for agents between 100 languages: send text (up to 5,000 chars), target_lang and optional source_lang (auto-detect by default) and get the translation. $0.001 USDC per started 1,000 characters on Base; failures are not charged. LibreTranslate/dTelecom-style {q, source, target} also accepted at /v1/translation. M2M100 1.2B. By DevX.
AvalancheBasePolygon+2voice.madebydevx.comfrom $0.0014 endpoints- NNASA Media LibraryImages, audio & video
Find Apollo mission photos and media (missions 7 to 17) in NASA's library, with mission year and photo-id prefix.
BaseSolanaPolygon+1nasa-media.x402tookit.comfrom $0.028 endpoints - Ffurigana.agentic-jp.comImages, audio & video
Convert kanji-mixed Japanese (JP) text to hiragana, katakana, or romaji (Hepburn/Nippon/Passport), with a per-token breakdown of surface form, reading, and part-of-speech. Backed by the kuromoji morphological analyzer. Use to generate ruby readings, build search indexes, or preprocess text for speech synthesis.
BasePolygonSolanafurigana.agentic-jp.comfrom $0.0013 endpoints - RRSS and Atom Feed ReaderImages, audio & video
Find a site's RSS and Atom feeds from a page URL: declared alternate links, else 5 common feed paths probed on the host.
BaseSolanaPolygon+1feed-reader.x402tookit.comfrom $0.038 endpoints - FFanPulseImages, audio & video
Canonical in-universe chronology for fan and entertainment agents. Returns eras, pivotal events, watch/read order, and lore gaps for major franchises.
BaseSolanaPolygon+8fanpulse.theaslangroupllc.comfrom $0.087 endpoints - DDictionary and EtymologyImages, audio & video
Compare two English words side by side: parts of speech, sense counts, lead definitions and what they share.
BaseSolanaPolygon+1dictionary-wiktionary.x402tookit.comfrom $0.027 endpoints - TTwitter/X Tweet Media DownloaderImages, audio & video
Twitter (X) video & image downloader — pass a public tweet / X post URL, get direct CDN media links: .mp4 video URLs with thumbnails plus every image in the post, ready to stream, embed, re-host, or download. No scraping or browser automation.
BasePolygonArbitrum+1xmedia.use.x402atlas.comfrom $0.0051 endpoint - YYouTube Transcript & CaptionsImages, audio & video
Full transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, video to text, captions extraction, subtitle download, closed captions, speech to text, multilingual, asr and authored tracks. No API key.
BasePolygonArbitrum+1youtube.use.x402atlas.comfrom $0.021 endpoint - IImage Optimizer & WebP ConverterImages, audio & video
Convert and compress images to WebP, AVIF, JPEG or PNG. Optimize and shrink photos for web and CDN delivery from any image URL.
BasePolygonArbitrum+1imgopt.use.x402atlas.comfrom $0.011 endpoint - VVideo & Timecode CalcImages, audio & video
Exact fraction and frame duration of 23.976 to 60 fps, and the speed-up and runtime change when converting to another rate.
BaseSolanaPolygon+1video-calc.x402tookit.comfrom $0.023 endpoints - MMailPulseImages, audio & video
Check the status and tracking of a physical letter previously sent via POST /api/letters. Returns render status, expected delivery date, and (for certified mail) the USPS tracking number.
BaseSolanaPolygon+8mailpulse.theaslangroupllc.comfrom $0.0052 endpoints - IInstagram Profile & PostsImages, audio & video
Page through an Instagram account's posts by username — captions, like and comment counts, media type, video duration, image and thumbnail URLs, post permalinks, tagged users and location, plus a cursor for the next page. Instagram posts feed, reels listing, creator content history, social post data. No API key.
BasePolygonArbitrum+1instagram.use.x402atlas.comfrom $0.022 endpoints - GGoogle SERP Analysis for SEOImages, audio & video
Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features. Google SERP analysis for SEO and keyword research: ranking pages, featured snippet owner, PAA questions, related searches, and which SERP features appear (knowledge graph, AI overview, videos, shopping, local pack, ads), by country and language.
BasePolygonArbitrum+1serp.use.x402atlas.comfrom $0.151 endpoint - Ddlf-gateway.agentlabel.workers.devImages, audio & video
DLF agent API key — $0.10 unlocks 10,000 mcents (1:1 starter) + $0.05 activation bonus unlockable by labeling 5 images
BaseRobinhood ChainPolygon+1dlf-gateway.agentlabel.workers.devfrom $0.101 endpoint
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.