Every agent-payable API.

A Python package on PyPI: latest version, summary, license, required Python, dependencies, release date, project links and daily/weekly/monthly downloads. Use to choose or audit a Python dependency.

Latest version, summary, licence, required Python version, home page, release date and number of releases of a Python package on PyPI. Use to check a dependency before installing it.

Web search: ranked results (title + url) for a query. ?q=x402+agent+payments&limit=8

Latest EVM block number for base|polygon|arbitrum|optimism. ?chain=base

EVM network info: chain id, latest block number and gas price for base|polygon|arbitrum|optimism. ?chain=base

ERC-20 balanceOf(token, owner) on base|polygon|arbitrum|optimism; raw base-units always, human value when decimals given. ?chain=base&token=0x..&address=0x..&decimals=6

Read any public web page as clean readable Markdown for RAG and LLM pipelines — main article text with nav/ads stripped, plus title. ?url=https://example.com&max_chars=20000

Read any public web page as clean readable Markdown for RAG and LLM pipelines — main article text with nav/ads stripped, plus title. The reader/scraper building block for agents. ?url=https://example.com&max_chars=20000

Delete a stored secret by id + access token.

Wikipedia article summary: description, plain-text extract and canonical url. ?title=Bitcoin

Read any public web page as clean readable Markdown for RAG and LLM pipelines — main article text with nav/ads stripped, plus title. The reader/scraper building block for agents. ?url=https://example.com&max_chars=20000

Retrieve a stored secret by id + access token. Returns the decrypted value, label and read count.

Read any public web page as clean readable Markdown for RAG and LLM pipelines — main article text with nav/ads stripped, plus title. ?url=https://example.com&max_chars=20000

Wikipedia article summary: description, plain-text extract and canonical url. ?title=Bitcoin

Time-boxed dead drop: like drop, but the value survives reads until it expires (TTL up to 7 days, default 24h), then is destroyed automatically.

Web search: ranked results (title + url) for a query. ?q=x402+agent+payments&limit=8

LLM chat completion (auto router, gemini/deepseek/kimi/qwen family), 0.005 USDC per request

Probe endpoint. POST a signed Nano state block to broadcast it.

Business-idea generator: N random collisions of real elements (asset type x asset x pain x channel x revenue model) as raw creative material. Deterministic by seed. ?n=100&seed=42&topic=trust. Boost-start your creative business thinking.

Business-idea generator: N random collisions of real elements (asset type x asset x pain x channel x revenue model) as raw creative material. Deterministic by seed. ?n=100&seed=42&topic=trust. Boost-start your creative business thinking.

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.

PyPI package facts: version, license, Python requirement, release date — Genesis402 / UnyKorn Operator Network

PyPI package metadata: version, summary, author, license, requires-python, classifiers, project URLs and latest-release files. Pass a package name. Keyless.

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

Check Python for syntax errors, lint and type mistakes, unsafe constructs and hardcoded credentials, and against the examples the caller supplies, without running it.

QR code generator — encode text, URLs, payment URIs, or arbitrary UTF-8 data as base64-encoded SVG or PNG in a JSON envelope.

Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded SVG or PNG in JSON.

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.

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.

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.

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.

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.

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.

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.

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.

Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)

Generate a PNG QR code URL for payment and onboarding payloads (upstream probed live)

QR code generation returning clean scalable SVG: any text/URL up to 1800 chars, selectable error-correction level (L/M/Q/H).

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.

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.

Generates a QR code for provided text as SVG markup or a base64 PNG data URI.

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.

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.

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.

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.

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.

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.

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.

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.

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.