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 25,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

26,213 APIs
APICompanyCategoryPrice / callStatus
Pyfile x402 API
Probe endpoint. POST a signed Nano state block to broadcast it.
ts.net-$0.01listed
Pypi API
Check Python packages from PyPI before you pip install or bump versions. Send {"packages":["requests==2.25.0","flask>=2.0"]} or {"requirements":"<requirements.txt text>"}, up to 50 packages. Per package: latest release and date, whether a pinned version is behind, license, yanked status, requires_python, and known vulnerabilities from OSV with severity and first fixed version. Deterministic, no LLM.
sslip.io-$0.005listed
Pypi Package Facts API
PyPI package facts: version, license, Python requirement, release date — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.002listed
Pypi Package Metadata API
PyPI package metadata: version, summary, author, license, requires-python, classifiers, project URLs and latest-release files. Pass a package name. Keyless.
suverse.io-$0.05listed
Pyth Network API
Pyth Network (PYTH) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.001listed
Python Code Validator
Check Python for syntax errors, lint and type mistakes, unsafe constructs and hardcoded credentials, and against the examples the caller supplies, without running it.
statemind.ai-$0.01listed
QR Code & Identicon Generator
QR code generator — encode text, URLs, payment URIs, or arbitrary UTF-8 data as base64-encoded SVG or PNG in a JSON envelope.
x402atlas.com-$0.005listed
QR Code & Identicon Generator
Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded SVG or PNG in JSON.
x402atlas.com-$0.005listed
QR Code Generator
Generate a QR code for any text, URL, wallet address or payment link as SVG or PNG, returned inline as SVG markup and a base64 data URI ready for HTML or chat. Choose size, border and error correction. Use when a user needs a scannable code for a link, Wi-Fi, contact or crypto payment.
onrender.com-$0.002listed
QR Code Generator
Generate a QR code for any text or URL. Returns image_base64 (base64 PNG; decode to get raw bytes). Params: text (required), size in px (64-1024, default 256), error_correction (L/M/Q/H, default M). H = highest redundancy, survives up to 30% damage.
agentsvc.io-$0.004listed
QR Code Generator
Generate scannable QR codes from any text, URL, or structured payload (WiFi, vCard, SMS, email, geo, crypto). Returns PNG by default with JPG, WebP, and SVG output, plus optional error-correction, sizing, color, version, and encoding controls. Simple cURL POST: send qr_data, receive an image.
reyn.tools-$0.00165listed
QR code generator
QR code generator. Generate a QR code for a URL or any text (UTF-8, up to 1,000 characters) as a scalable SVG plus a ready-to-embed data URL, at error correction L, M (default), Q or H. Use to put a link, Wi-Fi string or payment request on a page, label or ticket.
workers.dev-$0.01listed
Qe API
Curated reading list on QE for tutoring agents, quiz generators, and reading apps — 168 public-domain books (e.g. A Study of Recent Earthquakes, The chemistry, properties and tests of precious stones, Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings). Full-text retrieval with drill-down routes for chapters, quotes, and citations. No license, no API key required.
forgemesh.io-$0.003listed
Qkd Key Request API
Compares caller-supplied Alice and Bob bases, retains matching-basis positions, calculates the quantum bit error rate over caller-selected revealed positions, and returns only a digest and count for remaining demonstration bits. It neither exchanges quantum states nor creates a secret key: all submitted bits are disclosed to this service and must never be used as production key material.
halowerk.com-$0.004listed
Qr API
QR code for any text or link, as a ready-to-use SVG image (and a data URI), with error-correction level and size options.
manylives.me-$0.002listed
Qr Code API
Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)
vercel.app-$0.002listed
Qr Code API
QR code API: any text or URL (up to 2000 characters) to a scannable PNG QR code, generated on our own hardware in milliseconds, returned base64. Set size 128-1024px. For payment links, tickets, onboarding flows, and print pipelines.
forgemesh.io-$0.003listed
Qr Code API
Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)
vendsdk.com-$0.002listed
Qr Code Generation Returning Clean Scalable Svg API
QR code generation returning clean scalable SVG: any text/URL up to 1800 chars, selectable error-correction level (L/M/Q/H).
aventtech.com-$0.003listed
Qr Code Generator API
QR code generator. Returns a crisp SVG for text/URL payloads up to 2,048 UTF-8 bytes that fit the selected error-correction level.
toolvend.dev-$3,000.00listed
Qr Code Image API
Generates a ready-to-embed QR code image, base64 PNG, from any text or URL input up to 2000 characters, with configurable dimensions and error-correction level. A drop-in way for ticketing systems, packaging, and signage pipelines to produce scannable codes without installing a QR library or maintaining rendering code.
forgemesh.io-$0.003listed
Qrcode API
Generates a QR code for provided text as SVG markup or a base64 PNG data URI.
dt0ur.online-$0.01listed
Quadratic Funding Calc API
Caps individual contributions when requested, computes each project’s raw quadratic match as (sum sqrt(contribution))² minus direct contributions, and allocates a fixed matching pool proportionally. It does not detect Sybil identities, move funds, or decide project eligibility.
halowerk.com-$0.004listed
Quant Agent Shop
Email address check without sending mail. Returns syntax validity, the normalised address, whether the domain accepts mail (MX, null MX or address fallback), and flags for disposable, role (info@, support@) and free webmail addresses, with a verdict. Use to validate an address someone gave you. Does not confirm the mailbox exists. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Local business search. Send what and where in one query, such as coffee roasters in Portland OR; returns up to 20 Google Maps business listings with name, address, coordinates, category, rating and review count, phone and website. Use to find or compare local businesses. Business listings only, not for finding people. Typical response about 1 s. Failed calls are not charged.
quantagentshop.com-$0.0022listed
Quant Agent Shop
Scholarly paper search. Send a topic or title, or one DOI; returns up to 20 published works with title, authors, year, journal or venue, type, DOI link and citation count from Crossref. Use to find and cite papers. Metadata only, no abstracts or full text. Typical response 1 to 2 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Email authentication check for a domain. Returns the SPF record with its DNS lookup count and all qualifier, the DMARC policy and report addresses, MX hosts, MTA-STS and BIMI records, DKIM keys found on common selectors, a grade from A to F and a list of issues. Use to diagnose deliverability or spoofing risk. DKIM is checked on common selectors only. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Web page to PDF. Send a public URL; returns the page's main content as a clean A4 PDF (base64 in JSON), text and tables only, without navigation or ads. Use to archive or share an article. No JavaScript rendering, images or pages behind logins. Typical response under 3 s. Failed calls are not charged.
quantagentshop.com-$0.003listed
Quant Agent Shop
Markdown to PDF. Send Markdown (headings, lists, tables, links, bold, italic); returns an A4 PDF as base64 in JSON. Use to hand a person a printable report or invoice-style page. Images and raw HTML are not rendered. Up to 50,000 characters. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.003listed
Quant Agent Shop
Domain lookup in one call: DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA with TTLs), registry RDAP registration data (registrar, created, updated and expiry dates, status, nameservers, DNSSEC) and the TLS certificate (issuer, names, validity, days left, chain verified). Use to check a domain before linking to, buying or trusting it. No registrant contact data. Typical response 1 to 2 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Product search. Send a product query; returns up to 40 Google Shopping offers with title, merchant, price (text plus parsed amount and currency), delivery, rating and link. Use to compare prices or find where a product is sold. Not for stock levels or buying. Prices are as listed at search time and may change. Typical response 1 to 2 s. Failed calls are not charged.
quantagentshop.com-$0.0032listed
Quant Agent Shop
On-page SEO audit of one URL: redirects, title and description lengths, canonical, robots meta and robots.txt for Googlebot, GPTBot and ClaudeBot, hreflang, headings, image alt, links, Open Graph, JSON-LD, sitemap, security headers with a grade, and a list of issues. Use to check a page before or after publishing. Reads the first 300 KB; no JavaScript rendering. Social networks are refused. Typical response 1 to 3 s. Failed calls are not charged.
quantagentshop.com-$0.0015listed
Quant Agent Shop
Weather forecast for coordinates or a city name: current temperature, humidity, wind, cloud, pressure and conditions, an hourly forecast up to 48 hours, and daily highs, lows and rain up to 7 days. Data from MET Norway. Use for travel, event or logistics planning. Not for past weather or official warnings. Times in UTC. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Sanctions screening against the US Treasury OFAC SDN and Consolidated lists. Send a person, company or vessel name (fuzzy match on names and aliases, with scores) or a crypto wallet address (exact match against addresses OFAC lists). Returns matching entries with program, list, score and list date. Use as a first screen before a payment or onboarding. A screening aid, not a compliance determination. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Page fetch. Send a public URL; returns the page title and its main content as clean Markdown or plain text, with navigation, scripts and ads removed. Use to read an article, docs page or listing. Not for pages behind logins, PDFs or images; no JavaScript rendering. Reads the first 1 MB of a page. Typical response under 2 s. Failed calls are not charged.
quantagentshop.com-$0.002listed
Quant Agent Shop
IP address lookup for one public IPv4 or IPv6 address: country, region and city (a city-level estimate with coordinates), continent, and network (ASN number and organisation). Use for fraud checks, analytics or routing. Not for finding a street address or a person. Local database, no third-party call per lookup. Typical response under 100 ms. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Patent search. Send keywords, a technology description or an assignee name; returns up to 10 Google Patents results with title, publication number, priority, filing, grant and publication dates, inventor, assignee, snippet and PDF link. Use for prior-art scans and competitor patent checks. Not legal advice. Typical response about 1 s. Failed calls are not charged.
quantagentshop.com-$0.0025listed
Quant Agent Shop
SEC EDGAR filings lookup. Send a US ticker, CIK or company name, optionally with form types such as 10-K, 10-Q, 8-K or 4; returns the company, its CIK and SIC code, and its latest matching filings (about the last 1,000) with form, filing date, period and direct links to the document and index. Use to find a company's annual, quarterly, current or insider filings. Filing metadata and links only; read a filing with /v1/fetch-page. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
Company legal-entity lookup from the global LEI system (GLEIF). Send a company name or a 20-character LEI; returns legal name, LEI, status, jurisdiction, legal form, registration number, registered and headquarters addresses, and the first record's direct and ultimate parents. Use for know-your-business checks, invoices and group-structure questions. Companies only. Typical response 1 to 2 s. Failed calls are not charged.
quantagentshop.com-$0.0013listed
Quant Agent Shop
News search. Send a query; returns up to 10 Google News articles with title, URL, publisher, date and snippet, optionally limited to the last hour, day, week, month or year and to a country and language. Use to find recent coverage of a topic, company or event. Not for full article text (use /v1/fetch-page). Typical response about 1 s. Failed calls are not charged.
quantagentshop.com-$0.0022listed
Quant Agent Shop
Cited research answer. Send one question; returns a 120 to 300 word answer with numbered [n] citations and the source URLs read, each with the time it was read. Searches the web, or reads only the urls you pass. Suited to an agent that needs a sourced answer it can show a person. Not for raw result lists or pages behind logins. Typical response 5 to 12 s. Failed calls are not charged.
quantagentshop.com-$0.009listed
Quant Agent Shop
Web search. Send a query; returns up to 20 ranked Google web results with title, URL, snippet and date where known. Use when an agent needs links to read or to check what exists on the web. Not for reading page content (use /v1/fetch-page) or for a written answer (use /v1/research-answer). Typical response 1 to 2 s. Failed calls are not charged.
quantagentshop.com-$0.004listed
Quant Agent Shop
Brief to PDF. Send a short brief; returns a 400 to 900 word document written from it, laid out as an A4 PDF (base64 in JSON) plus the Markdown text. Use for a one-page explainer, memo or checklist. It uses only the facts in the brief and general knowledge; no web search. Typical response 5 to 15 s. Failed calls are not charged.
quantagentshop.com-$0.006listed
Quant Agent Shop
Batch Google web search. Send 1 to 10 queries in one call; returns up to 10 ranked results per query (title, URL, snippet, date) in the order sent, for one flat price. Cheaper than /v1/web-search from 3 queries; for 1 or 2 use /v1/web-search. Typical response 2 to 4 s. Failed calls are not charged.
quantagentshop.com-$0.0115listed
QuantX402
Stock Forecast: next-session and 5-day forecast for US stocks/ETFs (SPY, QQQ) from our own candle store and a seeded bootstrap baseline model: direction, probability-of-up share of sampled paths, 80% range, invalidation level, per-step percentiles. Experimental, not calibrated. Not financial advice.
quantx402.app-$0.02listed
QuantX402
Kronos Forecast: the Kronos candlestick model signal for one symbol and interval as a standard JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, per-step percentiles). Live: BTC-USD, ETH-USD 1h; stocks, forex and commodities rolling out. Experimental, not calibrated. Not financial advice. Timeframe: 4h.
quantx402.app-$0.02listed
QuantX402
Kronos Forecast: the Kronos candlestick model signal for one symbol and interval as a standard JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, per-step percentiles). Live: BTC-USD, ETH-USD 1h; stocks, forex and commodities rolling out. Experimental, not calibrated. Not financial advice. Timeframe: 1d.
quantx402.app-$0.02listed
QuantX402
Kronos Forecast: the Kronos candlestick model signal for one symbol and interval as a standard JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, per-step percentiles). Live: BTC-USD, ETH-USD 1h; stocks, forex and commodities rolling out. Experimental, not calibrated. Not financial advice. Timeframe: 15m.
quantx402.app-$0.02listed
QuantX402
Signal Blend: one merged multi-source fact list per symbol: Kronos signal + market data (momentum, volatility range, invalidation check) with a stance and plain-English reasons, plus a prediction_markets block: nearest-dated Polymarket "above $X" market prices next to an experimental model view of our volatility-based range (not odds). News/sentiment inputs rolling out. Experimental. Not financial advice.
quantx402.app-$0.03listed
QuantX402
Kronos Forecast: the Kronos candlestick model signal for one symbol and interval as a standard JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, per-step percentiles). Live: BTC-USD, ETH-USD 1h; stocks, forex and commodities rolling out. Experimental, not calibrated. Not financial advice. Timeframe: 1h.
quantx402.app-$0.02listed
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