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

26,081 APIs
APICompanyCategoryPrice / callStatus
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 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
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
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
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 API
Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)
vercel.app-$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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
SEO audit with fixes. Everything /v1/seo-audit returns for one URL, plus up to 10 fixes ranked by impact, each naming the element and the exact change (new title text, the tag or header to add). Use when you will act on the audit. For the checks alone use /v1/seo-audit, which costs less. Reads the first 300 KB; no JavaScript rendering; social networks are refused. Typical response 5 to 12 s. Failed calls are not charged.
quantagentshop.com-$0.05listed
Quant Agent Shop
Image text (OCR). Send an image URL or base64 (PNG, JPEG, WebP or GIF, up to 5 MB and 8000 px a side); returns the text in reading order, one line per line, and with layout on, where each line sits in the image, plus truncated when the text ran past the reply limit. Use for screenshots, receipts, signs and scanned pages. Not for PDFs that have a text layer (use /v1/pdf-text) or for describing pictures. Typical response 2 to 6 s. Failed calls are not charged.
quantagentshop.com-$0.01listed
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
Quant Agent Shop
Counterparty check in one call. Send a company or person name, a domain, an EVM wallet address, or any mix; returns one report with a status per check: OFAC sanctions (name and wallet), SEC EDGAR and GLEIF company records (name), domain registration, DNS and TLS, and email authentication (domain); each check that returns data cites sources and retrieval times. Use before paying or onboarding a party. A screening aid, not a compliance determination. Failed calls are not charged.
quantagentshop.com-$0.03listed
Quant Agent Shop
QR code. Send text or a URL (up to 1,000 characters); returns a QR code as PNG or SVG, base64 in JSON, with its size, version and error-correction level, at the scale and quiet zone you choose. Use to put a link or payment request on a page, label or PDF. Plain codes only, no logos or colours. Typical response under 200 ms. Failed calls are not charged.
quantagentshop.com-$0.01listed
Quant Agent Shop
URL status check. Send one public URL; returns the HTTP status, every redirect hop, latency, content type and length, server header and, for https, the certificate issuer and days left. GET only; the body is never read or returned. A site that is down is an answer, not an error. Use to check a link before using it. Each payer can check a host 10 times a minute. To read the page use /v1/fetch-page. Typical response under 1 s. Failed calls are not charged.
quantagentshop.com-$0.01listed
Quant Agent Shop
Summary. Send text (up to 60,000 characters) or a public page or PDF URL; returns a summary as paragraphs, bullets or one line, short, medium or long, with an optional focus, plus the source and a truncated flag (input past 60,000 characters is cut). Use to brief an agent or a person. Not for sourced answers (use /v1/research-answer) or set fields (use /v1/extract). Typical response 3 to 10 s. Failed calls are not charged.
quantagentshop.com-$0.03listed
Quant Agent Shop
Phone number check. Send a number in any format, with a + country code or a region such as GB; returns E.164, international and national formats, valid and possible flags, country code, region, line type (mobile, fixed line, toll free and others), place and time zones. From Google's libphonenumber range data: not a live carrier or owner lookup, and ported numbers show their original range. Typical response under 100 ms. Failed calls are not charged.
quantagentshop.com-$0.01listed
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
Page change check. Send a public URL and, optionally, the hash from your last check; returns the SHA-256 of the page's main text (scripts, navigation and spacing ignored) and changed true or false. Nothing is stored here; keep the hash yourself. Use to watch a page cheaply, up to 10 checks of a host a minute. Dates or counters in the text count as changes. To read the page use /v1/fetch-page. Typical response under 2 s. Failed calls are not charged.
quantagentshop.com-$0.01listed
Quant Agent Shop
PDF text. Send a public PDF URL or the file as base64 (up to 10 MB); returns the plain text of each page, the page count, the title and a truncated flag (first 200 pages and 2,000,000 characters). Use to read reports, papers, filings or invoices. No OCR: scanned pages come back empty (send page images to /v1/ocr); encrypted PDFs are refused. Typical response 1 to 5 s. Failed calls are not charged.
quantagentshop.com-$0.01listed
Quant Agent Shop
Structured extraction. Send text (up to 20,000 characters; 20 KB of UTF-8 is read) or a public page or PDF URL, plus a JSON Schema (up to 8,000 characters, no pattern keywords, $ref only inside it); returns JSON checked against your schema, after one repair attempt if needed. Use to pull fields from invoices, listings, filings or emails. Not for free-form summaries (use /v1/summarize). Typical response 3 to 10 s. Failed calls are not charged.
quantagentshop.com-$0.01listed
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
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