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Epoch s/ms/us/ns or ISO-8601 ↔ epoch_s/ms + ISO UTC + any IANA tz. Offline. Amp port.

Email deliverability (MX/SPF/DMARC via DoH). No SMTP mailbox probe. No charge on empty/failed.

Echo JSON body and return sha256 of sorted serialization.

USGS earthquake GeoJSON feed (keyless). Window day|week|month (significant preferred) → quake list.

DNS via Cloudflare/Google DoH: A/AAAA/MX/TXT/NS/CAA + optional SPF/DMARC parse. No mailbox probing.

Relative date parse, ISO 8601 duration math, IANA timezone convert with DST flags. Offline tzdata.

Word suggestions via Datamuse (keyless). ml/sp/rel_* (+ max) → trimmed word list.

Next 1-20 run times for a 5-field cron expression (IANA tz, DST-aware). Offline. Amp port.

Latest eth_blockNumber for Base and/or Ethereum; optional tip timestamp. ~2s cache. Amp port.

arXiv paper metadata via export.arxiv.org Atom API (keyless). Id or search query → title/authors/abstract/pdf.

Wallet balances in one call on 9 chains: native + USDC, USDT, DAI, EURC, bridged USDC, WETH, WBTC/cbBTC on Base, Ethereum, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain; SOL + USDC/USDT on Solana; TRX + USDT on Tron. Pass 0x, Solana and/or Tron addresses, plus up to 10 custom tokens. Live reads, block numbers, stablecoin total. 0.002 USDC.

Fact verification — returns verdict, confidence, current truth

US overnight interest rates — latest SOFR and effective federal funds rate (EFFR), transaction volumes and policy target bounds. Compare secured and unsecured dollar funding costs and track monetary policy. x402Atlas is not affiliated with the New York Fed. The New York Fed does not sanction, endorse, or recommend any products or services offered by x402Atlas.

Generate ready-to-use 1200x630 Open Graph / social preview images from text for content, marketing, and publishing agents. Provide a title plus optional subtitle and category badge, pick a built-in theme (dark, light, midnight, forest, sunset), and receive a base64 PNG sized exactly for og:image and twitter:card. Pure server-side rendering with no external calls and no shell access.

x402 OB Image Generator · Price $0.01 per generated image https://obagents.vercel.app/api/obigen/protected/igen GET Query Params // The primary text description of the image to generate. prompt: string; Example: https://obagents.vercel.app/api/obigen/protected/igen?prompt=yourprompt · x402 OB Image Gener

Central bank policy rates for 39 economies from BIS official data: current rate, date of last change and size in bp, year-ago rate, central bank name. Filter by ISO country codes (US, XM for euro area, MA, ZA...).

Convert and compress images to WebP, AVIF, JPEG or PNG. Optimize and shrink photos for web and CDN delivery from any image URL.

falcon.sol: Full document extraction (all pages) for invoices, receipts, POs, W-9s and generic PDFs. $0.03 USDC.

Crypto Market Data Integrity Attestation for agents and trading systems. Validate caller-supplied crypto market observations for causal timing, freshness, gaps, sequencing, identity consistency, and cryptographic record hashes. Returns deterministic PASS/FAIL, safe_to_use, named checks, and attestation identity. Use before analytics, research, or trading workflows. No market data acquisition or re

Static Python lint (ruff) of one snippet/file up to 200KB

Use when an agent is about to crawl, train on or ingest a website into RAG: checks the domain's AI consent and licensing signals (robots.txt per AI bot, RSL license, IETF AIPREF, TDMRep, noai meta tags, llms.txt, C2PA), returns a 0-100 score and a training stance, and a signed EAS receipt anchored on Base proving what was checked and when. Errors: 400 invalid domain; 502 site unreachable (not char

US weather alerts: active National Weather Service alerts for a two-letter state code - the event, the area, its severity and the official instruction.

Multi-source verified token price (DeFiLlama + Coinbase spot). Data only, not advice. Soft-fail per source; no charge when all fail.

Sunrise/sunset via api.sunrise-sunset.org (keyless). Lat/lon[/date] → sunrise, sunset, solar_noon, day_length (UTC ISO).

RubyGems gem metadata via rubygems.org (keyless). name → version/downloads/info/uris.

Extract links from URL or markdown; status + redirect + canonical; polite rate; honor robots.

US Treasury interest rates — latest monthly average rates on outstanding government debt, including Treasury bills, notes, bonds, TIPS, floating-rate notes and savings securities. Track federal borrowing costs and compare rates across security classes.

Invoice Auditor - Check invoices, estimates and contractor quotes for arithmetic errors, inconsistent line items, missing details, and unclear payment terms in a structured audit.

Classify text an AI agent is about to read for prompt injection: verdict (safe, suspicious, malicious), score 0-100, findings with matched spans; decodes hidden Unicode tags, HTML comments, CSS-hidden text and base64 before scanning.

Fetch a public web page (robots.txt respected) and return cleaned Markdown plus fixed-schema JSON: article metadata, product/price, and tables with row/column checks.