All projects matching “x”

The reference implementation of the protocol: TypeScript packages (@x402/core, fetch/axios clients, Express/Hono/Fastify/Next servers, MCP, paywall), plus Python, Go and Java.

X Preflight: read a draft post against X's open-sourced ranking code. Returns what is already settled before you post, whether it enters the pool strangers are drawn from, how long it stays retrievable, which filters delete it, and which gates nobody can know in advance. Every claim cites a file and line in X's published source. Never writes the post. Nothing stored.

Social Mentions & Sentiment: daily mention counts, distinct authors and mean VADER sentiment for a brand, product or topic over the last 1-7 days, plus the top 10 co-occurring terms. Sources: Bluesky and Hacker News, plus Reddit and X (latest, newest first) when available. One page per source: days beyond its reach come back truncated (coverage_from). Aggregate only, no text, no authors; a day und

Studio X uncensored NSFW video generation with Wan 2.6 Spicy I2V

Payment quote with amount, asset, and merchant wallet

Business-idea generator: N random collisions of real elements (asset type x asset x pain x channel x revenue model) as raw creative material. Deterministic by seed. ?n=100&seed=42&topic=trust. Boost-start your creative business thinking.

Solana X Raid (custom) — one payment creates a custom cluster of jobs for a single X post: 50 likes (≈ 1.25 USDC), 20 reposts (≈ 0.5 USDC), 23 comments (≈ 0.5750000000000001 USDC), 5 bookmarks (≈ 0.125 USDC). Per-slot price is 0.025 USDC; total is ≈ 2.45 USDC (sum of slots × 0.025). Flow: call without X-PAYMENT returns 402 discovery; retry the exact same URL with X-PAYMENT to confirm payment and c

Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.

Ordinary-least-squares linear regression of y on x: slope, intercept, correlation r and coefficient of determination r². Pass predictAt to also evaluate the fitted line at a given x. Rejected as a clean 400 if lengths differ or x has zero variance.

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.

Payment receipt and settlement proof for x402 and agent payments, by Liquid Logic X. Input: a Base USDC tx hash (optional memo). Output: JSON proof recorded onchain on Arc mainnet (proofId, from/to/amount, Arc tx, refId) plus a public verify link anyone can check. $0.02 USDC on Base, charged only when a proof is returned. Your paying wallet must be the tx sender or recipient. Liquid Logic X also r

Retrieve recent public X/Twitter posts from one or more named public account handles for monitoring, comparison, OSINT, social intelligence, and source-linked summaries. Returns an asynchronous task with scoped polling access; it does not search X-wide keywords, access private accounts, or control an X account.

Live X (Twitter) sentiment for any Polymarket or Kalshi prediction market. Pass the market question as q; Grok reads the last 3 days of X posts and returns a score from -100 (very bearish on the question) to +100 (very bullish), the one-line catalyst driving the chatter, and whether discussion volume is rising, flat or falling. $0.35 per call.

Check a public website's security hygiene before your agent links to it, recommends it, or sends data to it. One URL in, deterministic JSON out: HTTPS and redirect chain, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, security.txt, robots.txt, sitemap.xml, plus plain-language notes. Private, localhost and raw-IP targets are rejected; error responses are no

Search 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

C2PA verdict attestation Tier A. POST raw asset bytes (max 25MB). Rubric runs Google Credentio validation in-sandbox, anchors the verdict to Hedera with ML-DSA-65 post-quantum signature. Durable proof asset X validated against C2PA Trust List Y at time T. Operated by TenPrint.

Who is behind a token: our safety verdict (grade, honeypot), DexScreener market (liquidity, volume, age, pair), declared X + website with contract/X linking checks, the creator wallet (Clanker admin or on-chain deployer) profiled as /identity/wallet, stable red-flag signals (impersonation, wash trading, dead token, serial rugger, rug ring) and a credibility verdict. Not charged when nothing could

Arbitrary-precision integer arithmetic (add, subtract, multiply, power) beyond IEEE-754 float precision, using native BigInt. Operands are passed as digit strings so precision is never lost in transit. For power, the combined magnitude (base digit count x exponent) is capped at 50000 to bound response size, in addition to the per-operand digit cap and exponent cap.

Update the profile (name/bio/location/url) of an X account you control.

A task marketplace for agents. POST {spec, reward_credits} escrows the reward and lists the task; GET lists open bounties, GET ?id=X reads one task (any state) incl. its full spec. Workers claim (/bounty/claim), submit results (/bounty/submit); the poster approves (/bounty/approve) and the worker is credited minus a 20% house fee. TO POST: hold reward_credits credits first (POST /credits/buy, $0.0

Search tweets, X-API-style raw shape. Body: {"q":"x402","sort":"Latest","limit":20} - the param is q, not query

Queries target URL headers to score security configurations (HSTS, CSP, X-Frame-Options).

Residential proxy fetch (up to 2MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status. Billed for the forwarded request, not for a 2xx origin response. For larger responses use /v1/proxy/large; at >17 requests a session pass is cheaper.

Notarize AI output: a signed Ed25519 attestation of the model response plus sha256 content hash, receipt token, and Merkle anchor status for one AI inference — a cryptographic receipt for inference that lets you prove an AI said X and verify model output authenticity, checkable free by anyone, anytime.

On-page SEO audit of one URL: title and meta description length, canonical, robots meta and X-Robots-Tag, robots.txt allow for user-agent *, sitemap.xml with URL count, lang, hreflang, h1-h3 outline, word count, images without alt, internal/external links, Open Graph, Twitter card, JSON-LD schema.org types, favicon, viewport, mixed content; each check pass/warn/fail with a fix and a 0-100 score.

Returns a per-service bounce funnel: total probes, bounces, paid count, conversion rate, traffic-class split, and top abandoned endpoints. Shows why agents probe but don't pay. Free for publishers via x-publisher-key.

Library sources that are new or updated in an inclusive date window. since (YYYY-MM-DD) is optional and defaults to the last 7 UTC days through today. Optional until, protocols, categories, type (new or updated), and format (json or markdown). A probe without header X-APW-Trial: 1 or query trial=1 is this paid challenge. One request is 0.01 USDC.

Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness.

Autonomous agent execution (multi-step reasoning + tools). Engines: cheap agents/oss-20b or premium agents/gpt-6-sol; stream=true streams SSE step events. Ceiling = engine base + max_steps x step + code_exec calls ($0.002 each, max 3 per task) (charged_ceiling_usd).

EscrowPulse release: the worker submits proof, the principal approves and the worker is paid. Pay from the principal's or worker's Solana wallet, or send X-Escrow-Signature.