Every agent-payable API.

Call when an agent needs text encoded with base62. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/base62-encode first.

Call when an agent needs text encoded with base64. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/base64-encode first.

Call when an agent needs text encoded with hex. No network and no LLM. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hex-encode first.

Call when an agent needs text encoded with morse. No network and no LLM. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/morse-encode first.

Call when an agent needs text encoded with percent. No network and no LLM. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/percent-encode first.

Call when an agent needs text encoded with punycode. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/punycode-encode first.

Call when an agent needs text normalized with nfc. No network and no LLM. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/norm-nfc first.

Call when an agent needs text normalized with nfd. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/norm-nfd first.

Call when an agent needs text normalized with nfkc. No network and no LLM. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/norm-nfkc first.

Call when an agent needs text normalized with nfkd. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/norm-nfkd first.

Call when an agent needs TXT at _adsp._domainkey. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-adsp first.

Call when an agent needs TXT at _atproto. An empty answer is records: [] and is billed. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-atproto first.

Call when an agent needs TXT at _domainconnect. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-domainconnect first.

Call when an agent needs YAML converted to JSON. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/yaml-to-json first.

Create a temporary public webhook endpoint for AI agents and automated workflows that need to receive asynchronous callbacks from external services. Returns a callback URL plus read and wait endpoints. No server deployment, signup, API key, or subscription required.

Decode EVM smart-contract transaction calldata into the function name and typed parameters. Supply an ABI (from /api/contract-abi) or a signature like transfer(address,uint256) for a fully offline decode; with neither, the 4-byte selector is resolved via the openchain.xyz signature database (4byte.directory fallback) and each candidate signature is tried. Unknown selectors return a documented partial decode (selector + raw 32-byte words) instead of an error.

Deepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market.

Historical OHLCV candlestick data (open, high, low, close, volume) for any Coinbase spot pair such as BTC-USD or ETH-USD, at 1m, 5m, 15m, 1h, 6h or 1d intervals, up to 300 candles, oldest first.

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. OHLC price candles for the STANDARD/ETH pool, priced in ETH per STANDARD.

Prüft am Objekt canonical den Befund Freigabe durch robots.txt.

Prüft am Objekt canonical den Befund ausgelieferten Inhaltstyp.

Prüft am Objekt canonical den Befund Zahl der Adressparameter.

Prüft am Objekt canonical den Befund deklarierte Crawl-Verzögerung.

Prüft am Objekt canonical den Befund technische Indexierbarkeit.

Prüft am Objekt canonical den Befund Wert der Meta-Robots-Angabe.

Prüft am Objekt canonical den Befund Wert des X-Robots-Tags.

Prüft am Objekt canonical den Befund Vorkommen in der Sitemap.

Prüft am Objekt canonical den Befund HTTP-Status der Sitemap.

Prüft am Objekt canonical den Befund selbstreferenzierende kanonische Adresse.

Canonical digests — sha256, sha512-256 and blake2b of text or canonical JSON — Genesis402 / UnyKorn Operator Network

Canonical JSON and its digest — Genesis402 / UnyKorn Operator Network

CANTU Buyer Demand Search — Paid machine-readable search for current buyer demand and procurement opportunities; also verifies a specific official notice ID or URL.

Calculate reproducible capability performance from versioned evidence-bound cases

Computes weighted pass rates and weighted scores from caller-labeled test outcomes, with deterministic category summaries. It does not run tests, validate labels, measure untested capabilities or establish deployment safety; the result is only as representative as the supplied evaluation set.

Compare required and offered agent capabilities before execution

Compare claimed capabilities with independently evidenced successful observations

Hospital capital-expenditure jump signals from CMS cost reports (Worksheet A-7): hospitals whose major movable equipment purchases hit at least $1M and at least 2x the prior fiscal year — an observational marker that a hospital reported a step-up in equipment spend. Answers: which hospitals just bought equipment? Includes purchase dollars by asset class and the prior-year comparison. Filter by state, min_amount (movable-equipment dollars), since; keyset cursor pagination.

Capped observer-backed gateway over five allowlisted proven sellers; pays selected upstream from a small float, adds a transparent 10% margin, and returns payment reference, delivery and gateway receipt

Classifies captcha type (reCAPTCHA, hCaptcha, Turnstile) and difficulty. Eval only — we do NOT solve captchas.

Capture a screenshot of any URL — returns base64-encoded image, supports full-page capture

Car complaint records: what real owners reported failing on a given year/make/model or VIN — component, narrative summary, crash/fire flags, injuries, and dates, newest first as structured JSON. Filter by component keyword to target a suspected problem area before buying or diagnosing.

Car recall lookup: give a VIN or year/make/model and get every official safety recall campaign — component, defect summary, consequence, remedy, and urgent do-not-drive or park-outside flags — newest data as structured JSON. Check any used car before purchase or any fleet vehicle for open campaigns.

Car reliability report computed from the full official defect-complaint record: which components fail most on a given year/make/model, how often, and how severe (crashes, fires, injuries, deaths). Ranked structured JSON — compare two candidate used cars side by side before recommending either.

Car safety star ratings from government crash testing: overall, front, side, and rollover ratings (1-5 stars) for any rated year/make/model or VIN, with per-seat breakdowns and rollover probability. Lists sibling variants (body styles, drivetrains) so agents can rate the exact configuration. Structured JSON.

CarVector vehicle data — single API call

Converts area, sampling depth, bulk density and initial/final organic-carbon mass fractions into stock estimates and a gross CO2-equivalent difference. This is a simple stock-difference calculation; it does not establish additionality, permanence, leakage, sampling representativeness, credit eligibility or verified carbon removal.

Returns carbon dioxide emissions for one or more countries on three bases at once: per inhabitant, per unit of purchasing-power-adjusted output, and in absolute megatonnes, each with its own period and its trend over the requested window. Keeping the three apart is the point. Per capita answers how heavily a person there burdens the climate; per unit of output answers how efficiently value is produced; absolute answers what actually reaches the atmosphere.

Validate a credit card or payment card number and detect its brand. Checks the Luhn checksum and identifies Visa, Mastercard, Amex, Discover, Diners or JCB, returning the BIN and last four digits. Structural card number validation for checkout forms and fraud pre-checks (does not verify the card exists or has funds).

Offline Issuer Identification Number check: accepts 6–8 digits only (refuses anything that looks like a full PAN), returns Visa/Mastercard/Amex/Discover/JCB/UnionPay/Maestro when the prefix is known. Not a live BIN registry lookup.

Cardano (ADA) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network