STAGINGThis is a preview of nitrograph.com. Actions here hit the production API.
Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 28,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

28,482 APIs
APICompanyCategoryPrice / callStatus
Vextorium
Parse a User-Agent string: browser and version, OS and version, device brand and model, device type (mobile, tablet, desktop) and whether it is a bot, an AI crawler (GPTBot, ClaudeBot...) or an HTTP library.
vextorium.com-$0.003listed
Vextorium
Upcoming macro events with UTC date and time: US BLS releases (jobs report, CPI, PPI, JOLTS, wages...), Federal Reserve FOMC rate decisions and ECB monetary policy decisions. Filter by days ahead, text or high-impact only.
vextorium.com-$0.003listed
Vextorium
TLS certificate of a domain: issuer, validity dates, days until expiry, names covered (SAN), whether it matches the domain and is trusted, TLS version and cipher. For uptime and security monitoring.
vextorium.com-$0.003listed
Vextorium
Safety recall campaigns for a vehicle by make, model and year in the US: affected component, summary, consequence, remedy, date, over-the-air fix and do-not-drive flags. Official NHTSA data.
vextorium.com-$0.004listed
Vextorium
Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.
vextorium.com-$0.003listed
Vextorium
Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.
vextorium.com-$0.004listed
Vextorium
Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying announced addresses.
vextorium.com-$0.003listed
Vextorium
US Treasury debt auctions (bills, notes, bonds, TIPS, FRNs): upcoming announced auctions or recent results with term, offering amount, high yield and bid-to-cover demand. Official Fiscal Data.
vextorium.com-$0.003listed
Vextorium
US labor market: unemployment rate, nonfarm payrolls with monthly job change, and average hourly earnings with annual growth. US Bureau of Labor Statistics, public domain.
vextorium.com-$0.003listed
Vextorium
All links on a page classified as internal or external, with anchor text, nofollow/sponsored, new-tab flags and the most linked external domains. For SEO, crawling and audits.
vextorium.com-$0.003listed
Vextorium
Official profile of a US listed company from the SEC: name, CIK, industry (SIC), state of incorporation, fiscal year end, address, phone, tickers and exchanges, former names and latest filing.
vextorium.com-$0.003listed
Vextorium
Extract from any text, without AI: emails, URLs, phone numbers, IBANs, EVM/Bitcoin/Solana addresses, transaction hashes, IPs, dates, amounts, hashtags, mentions and Spanish tax IDs, deduplicated.
vextorium.com-$0.003listed
Vextorium
Metadata and structure of a PDF (URL): pages, page size, title, author, creator, dates, version, encryption, form fields, attachments, bookmarks (table of contents) and whether it has extractable text or is a scan.
vextorium.com-$0.004listed
Vextorium
Convert coordinates between decimal degrees, degrees-minutes-seconds (40°25'00"N), UTM (zone, easting, northing) and geohash, in any direction, plus a map link.
vextorium.com-$0.003listed
Vextorium
Great-circle distance between two airports by IATA or ICAO code in km, miles and nautical miles, bearing, approximate flight time and estimated economy-class CO2 per passenger.
vextorium.com-$0.003listed
Vextorium
Keyless public RPC endpoints (HTTPS and WebSocket) of any EVM chain by name or chainId, with block explorers, native currency and website. Lets an agent connect to any chain.
vextorium.com-$0.003listed
Vextorium
Redact personal data from text without AI: emails, phone numbers, IBANs, card numbers (Luhn-checked), Spanish DNI/NIE, IPs, crypto addresses and URLs, replaced by labels ([EMAIL_1]) or asterisks. Before sending text to an LLM or sharing logs. Text is not stored.
vextorium.com-$0.003listed
Vextorium
Search biomedical literature on PubMed (NIH): title, authors, journal, date, DOI, PMID and abstract of each article, newest first, with optional year filter.
vextorium.com-$0.003listed
Vextorium
EU VAT number format validation for all member states (plus Spanish check digit). Does not query VIES.
vextorium.com-$0.003listed
Vextorium
Distance between two coordinates (Vincenty geodesic on WGS84 plus great-circle), in km, miles and nautical miles, initial bearing and compass direction, midpoint and estimated time on foot, by car and by plane.
vextorium.com-$0.003listed
Vextorium
US IPOs and offerings in the pipeline: latest S-1 and F-1 (foreign issuers) registration statements, amendments and final 424B4 prospectuses (priced), with company, stage, date and link.
vextorium.com-$0.004listed
Vextorium
US federal grant opportunities from Grants.gov: title, number, agency, open and close dates, status and link; search by keyword (AI, energy, health...) and agency (NSF, NIH, DOE...), open or forecasted.
vextorium.com-$0.003listed
Vextorium
Validate a Spanish Social Security affiliation number (12 digits: province, number, control) and return the province of registration. Computed locally; nothing stored.
vextorium.com-$0.003listed
Vextorium
Latest regulatory filings of a US listed company (8-K material events, 10-Q, 10-K, insider Form 4, 13D/G...) with date, 8-K items and direct document link. Optional filter by form type.
vextorium.com-$0.004listed
Vextorium
Extractive summary without AI: picks the most representative sentences (term frequency and position scoring) and returns them in original order, with the reduction percentage. Deterministic and instant.
vextorium.com-$0.003listed
Vextorium
Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after inflation, yearly evolution and the monthly amount needed to reach a goal.
vextorium.com-$0.003listed
Vextorium
Loan or mortgage with French amortization (fixed installment): monthly payment, total paid, total interest, approximate APR (TAE) including fees, and a yearly or monthly amortization schedule.
vextorium.com-$0.004listed
Vextorium
Impermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range flag and final token mix.
vextorium.com-$0.003listed
Vextorium
Year-on-year change in actual rents for housing (HICP component) for any European country, the EU or the euro area; without a country, a ranking. Official Eurostat data.
vextorium.com-$0.003listed
Vextorium
US stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason, early closes, next open/close and upcoming holidays. Key for 24/7 tokenized stocks.
vextorium.com-$0.003listed
Vextorium
Annual government deficit (-) or surplus (+) as % of GDP for any European country; without a country, a ranking. Official Eurostat data.
vextorium.com-$0.003listed
Vextorium
Dominant colors of an image (URL or base64) with their share, in HEX and RGB, plus the average color and light/dark tone. For brand palettes, themes or tagging images by color.
vextorium.com-$0.003listed
Vextorium
Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens are not stored.
vextorium.com-$0.003listed
Vextorium
Convert an amount between cryptocurrencies and currencies (0.5 BTC to ETH, 100 USDC to EUR, 1000 EUR to SOL) with live DefiLlama prices and ECB rates.
vextorium.com-$0.003listed
Vextorium
Average interest rate the US Treasury pays on its debt by instrument (bills, notes, bonds, TIPS, FRNs...) and total, with the rate one year earlier. US Treasury, public domain.
vextorium.com-$0.003listed
Vextorium
Validate a 5-field cron expression (ranges, steps, names, @daily aliases), explain it in plain English and list its next run times in any time zone, DST-aware.
vextorium.com-$0.003listed
Vextorium
Year-on-year growth of euro area money supply M1, M2 and M3, month by month. A leading indicator of inflation and liquidity. Official ECB data.
vextorium.com-$0.003listed
Vextorium
Read a website's /llms.txt (the standard that tells LLMs what a site is about) as structured data: title, summary, sections with links and descriptions, and whether llms-full.txt exists.
vextorium.com-$0.003listed
Vextorium
API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.
vextorium.com-$0.005listed
Vextorium
Date facts (weekday, ISO week, quarter, day of year, leap year), exact difference between two dates in years, months, days, weeks and Mon-Fri working days, and adding or subtracting days, months or years (end-of-month safe).
vextorium.com-$0.003listed
Vextorium
Recent additions to the EU consolidated sanctions list (persons and entities designated in the last N days) with program (country or regime), type and date. Keep a compliance screen up to date.
vextorium.com-$0.004listed
Vextorium
Staking rewards: final amount, total rewards and average per day and month, with daily compounding or simple, after validator commission, in tokens and optionally in USD.
vextorium.com-$0.003listed
Vextorium
US drug facts from the official label (openFDA): brands, active ingredient, uses, dosage, warnings, contraindications, interactions, pregnancy and manufacturer. Information, not medical advice.
vextorium.com-$0.003listed
Vextorium
Reference data for a blockchain by its chainId: name, gas/native token, block explorers, number of public RPCs and website. Utility for multi-chain agents. Live from chainid.network (ethereum-lists, open data).
vextorium.com-$0.003listed
Vextorium
Latest disclosures of stakes above 5% filed with the SEC: Schedule 13D (activist investors) or 13G (passive), with subject company, filer, date and link, including amendments.
vextorium.com-$0.004listed
Vextorium
Average household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Official Eurostat data.
vextorium.com-$0.003listed
Vextorium
US inflation (CPI-U): year-on-year headline, core (ex food and energy), energy and food rates, month by month. US Bureau of Labor Statistics, public domain.
vextorium.com-$0.003listed
Vextorium
Collateralized DeFi loan (Aave/Compound style): health factor, current LTV, collateral liquidation price, drop it can withstand, extra borrowing room and how much to repay or add to reach a 1.5 health factor.
vextorium.com-$0.003listed
Vextorium
Extract keywords and keyphrases from a text without AI (RAKE algorithm scoring frequency and degree), in Spanish or English, plus most frequent words. For tagging, indexing and SEO.
vextorium.com-$0.003listed
Vextorium
Convert APR to APY or APY to APR for any compounding frequency (continuous, daily, hourly, per block...) and optionally project the final value and gain of a deposit over N days. Useful to compare DeFi yields.
vextorium.com-$0.003listed
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