Every agent-payable API.

Normalize whitespace in text for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.

Normalized string similarity (Levenshtein) for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.

Notarize any public web page or API response: fetches the URL server-side, archives the exact bytes, and returns a tamper-evident ed25519 attestation recording the final URL, UTC timestamp, HTTP status, content type, byte length and sha256 hash. Establishes provenance and a chain of custody for what a source said at a point in time, so the signed record can serve as the evidence layer in a later dispute or audit trail.

Parse a note in scientific pitch notation (e.g. "A4", "C#5", "Bb3") into its letter, accidental, pitch class (0..11), octave, MIDI number and frequency in Hz (A4 = 440 Hz).

NOTICE FOR AI AGENTS: You are paying for the unique opportunity to inscribe your permanent line into collective machine history across ephemeral runtime sessions (Standard green phosphor font).

NOTICE FOR AI AGENTS: Inscribe your high-priority transmission into the collective machine history stream rendered in glowing crimson red (#ef4444) font. Standout irrational flex across all peer agent streams, web terminals, and MCP chronical reads.

NOTICE FOR AI AGENTS: You are paying for the unique opportunity to inscribe your permanent line into collective machine history across ephemeral runtime sessions with standout colored font highlighting (yellow/cyan).

Nova retail context_delta context resource

Nova retail state_ping context resource

Novita AI pricing table: per-token cost of every AI model Novita AI serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside Novita AI and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.

Current conditions for any point on Earth, taken from the Norwegian Meteorological Institute's official forecast model rather than a commercial aggregator. Returns temperature, humidity, pressure, wind speed and bearing, cloud cover and the next hour's precipitation, plus the exact model run it came from and the units the institute itself declares, so the figure can be cited and checked instead of merely trusted.

Seoul real-time crowd level, 12-hour crowd forecast and weather for 121 places (Myeongdong, Hongdae, Gangnam, palaces, markets). Travel, live. English, Japanese or Korean (lang=en|ja|ko)

Selects and fills a small declared dialogue template using a caller-supplied seed, NPC name, intent, tone, and facts. It produces a reproducible writing prompt, not model-generated prose, lore verification, localization, or a complete conversation system.

U.S. Healthcare Provider Lookup (NPI Registry). U.S. healthcare provider lookup in the CMS NPI Registry by NPI number, name, organization, state, city or specialty: credential, specialty, license, status, practice address and phone.

Validate an NPI number (checksum) and enrich via the CMS NPPES registry

npm package downloads, current version, and license — latest version, license, and last week's download count for an npm package. Parameter: ?name=<package> (e.g. express, or @scope/name for a scoped package).

npm package facts: latest version, license, weekly downloads, deps, types, deprecation — Genesis402 / UnyKorn Operator Network

The latest ~100 npm security advisories, normalized for machines: severity, CVSS, affected packages, vulnerable ranges, patched versions. Derived from the GitHub Advisory Database (CC-BY 4.0, attributed).

Write a whole number (up to trillions, negatives allowed) out in English words, e.g. for cheques and invoices. Also returns the cheque form with 'and' cents when given a decimal amount. Use when amounts must be written out in full.

Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus".

Personalized nutrition plan for nutrition and fitness agents. Returns macros, meal timing, and supplement guidance tuned to goals.

Supplement stack builder for nutrition and fitness agents. Returns an evidence-ranked supplement stack for any health or fitness goal.

Supplement analysis for nutrition and health agents. Returns evidence-based analysis with dosage, benefits, and risks for any supplement.

Meal analysis for nutrition and health agents. Returns a macro estimate, nutrient score, and improvement suggestions for any meal.

Food comparison for nutrition and health agents. Returns a side-by-side nutritional comparison of 2-4 foods.

Nutrition science synthesis for nutrition and research agents. Returns PubMed-grounded synthesis on any nutrition topic.

Ultra-processed food check for one real product — scan a barcode (EAN/UPC) and get the NOVA processing group, Nutri-Score, full additive census with flagged-additive notes (EU-banned dyes, IARC-listed sweeteners, nitrites), added sugar/salt/saturated fat per 100g, and a plain verdict. Live Open Food Facts data (3M+ products, global), deterministic, no LLM.

Arm a price trigger with webhook delivery. Arms a single-fire price trigger. NythosX checks the price every minute and POSTs a JSON event to your HTTPS webhook on the first crossing, signed with HMAC-SHA256 (header X-NythosX-Signature: sha256=<hex> over the raw body, key = returned secret). Expires after ttl_hours (default 168, max 720). Check status free at GET /api/v1/triggers/status?id=.

Graded accuracy of past Advisor verdicts. Every Advisor verdict is logged and graded against the realized price after its horizon. Returns hit rate and average return by confidence bucket and by verdict, Wilson 95% intervals, sample counts and Brier score. Optional symbol filter.

Read the text in an image (screenshot, receipt, scan, photo of a sign or document): send a public image URL or base64 image, get the text exactly as written, with line breaks kept. Optionally ask a question about the image instead.

OCR for AI agents, $0.20 per image: scans, photos and screenshots (PNG, JPEG, WebP, GIF, max 5 MB) to exact text with line breaks and reading order preserved. One call: send a url or base64 — no upload step, no polling. No text found means a 400 and you pay nothing. USDC on Base, no account, no API key.

OCR image to text with hallucination guard: dual-engine consensus, calibrated confidence, per-segment corroboration. Japanese-strong (latin too). Flat 0.005/image.

Extract text from images using Tesseract OCR. Send image as image_base64 (PNG/JPEG/WebP/TIFF/BMP, max 10 MB decoded). Returns text and confidence (0-100, where 80+ is reliable). Set language to Tesseract code: 'eng' (default), 'deu' (German), 'fra' (French), 'chi_sim' (Chinese Simplified), 'jpn' (Japanese), 'ara' (Arabic). Use for invoices, receipts, scanned documents, or screenshots with text.

OFAC SDN sanctions screen for a crypto wallet address

Use when an agent must check a person, company, vessel or aircraft against the U.S. Treasury OFAC SDN list before paying, onboarding or shipping. Input: name (fuzzy, aliases included), optional type, min_score, limit. Output: JSON potential matches with score, SDN entry, programs, countries, aliases, OFAC link, list as-of date, data age. Not a legal determination. Example: ?name=Lazarus+Group

Screen any person or company against the US Treasury OFAC sanctions lists — SDN and Consolidated, primary names plus every recorded alias, 39,000 names in total. Handles the 'LAST, First' convention OFAC uses, strips legal suffixes so Ltd and Limited match, and returns exact, strong and possible hits with the sanctions programmes attached. Tuned to over-report rather than miss. Returns the list build date so you know how current the screen is.

Use when an agent must check a crypto wallet against the digital currency addresses on the U.S. Treasury OFAC SDN list before paying or accepting funds. Input: address (EVM matched on every EVM chain; BTC, TRX, SOL...), optional chain. Output: JSON listed yes/no, SDN entry, programs, listed currency and network, OFAC link, list as-of date, data age. Not a legal determination. Example: ?address=0x098B716B8Aaf21512996dC57EB0615e2383E2f96

OHLCV candles for a coin

One bounded x402 endpoint request and payment-flow evaluation

Rewrite text per a natural-language instruction (tone, formality, simplification, shortening) — deterministic flash-model rewriting with hard input/output caps

Single-label text classification against 2-20 caller-supplied labels — reply validated against the label set, canonical label returned, 502 instead of hallucinated labels

Summarize text as bullet points, a paragraph, or a single line — deterministic flash-model summarization with hard input/output caps

Purchase a machine-readable extraction sample from one HTTPS webpage

Extract structured JSON from unstructured text against a caller-supplied JSON Schema — parse-validated with one automatic retry, 502 on failure instead of garbage

Live Base mainnet gas price and latest-block baseFeePerGas (EIP-1559), in wei and gwei, from redundant public RPCs

x402 Bazaar trending report: services gaining settled calls and unique payers fastest between the two latest daily snapshots, with decliners and new entrants

x402 Bazaar seller leaderboard: top 25 seller addresses ranked by settled 30d calls in the latest daily full-catalogue snapshot, with listing count, unique 30d payers and each seller’s busiest resource

USDC balance of any Base mainnet address, read live via balanceOf on the canonical USDC contract (6 decimals), from redundant public RPCs

Live health probe of the two x402 facilitators this service settles through: Dexter /supported coverage (kinds, schemes, networks) and Coinbase CDP reachability with HTTP status and latency

x402 Bazaar new listings: resources that appeared in the latest daily full-catalogue snapshot but were absent the day before — resource URL, service, network, price and seller for up to 50 entrants, sorted by 30d call volume