Explore APIs

Competition check for an x402 idea: sellers, hosts, price range and how many have real buyers. Open space or crowded?

JIN daily food index series for Japan (excl/incl promo, matched SKU count). Single-store observation, not official CPI, not a forecast. Paid in JPYC.

Income tax rates by country, corporate tax, capital gains tax, tax residency rules, crypto tax treatment for any jurisdiction. Worldwide guide giving a full tax overview of any country by scenario. Tax intelligence, not advice.

UK council-tax banding challenge check — neighbor-band cluster analysis against the free official VOA/SAA lookups, statutory route selection (formal proposal vs informal review, England/Wales/Scotland variants incl. the post-2023 Local Taxation Chamber), verified timelines (4/12-month decisions, 3/4-month appeals), evidence rules (the VOA rejects house-price-index data — verified), and the mandato

Signatures, press sheets and blank pages needed for a book of N pages at 4, 8, 16 or 32 pages per signature.

Homebrew formula status: version, license, deprecation or disablement, install counts over 30, 90 and 365 days.

npm package adoption: downloads last week and month, plus trend within the month and a popularity band.

Match a misspelled or branded drug name to RxNorm: best candidates with RxCUI identifiers, names and match scores.

Metres per pixel, map scale (1:N) and tile width on the ground for a zoom level and latitude.

Sheet-metal bend allowance, outside setback, bend deduction and flat length from angle, radius, thickness and K-factor.

Compare realtime and batch API cost for a workload with your discount fraction, and the money saved by waiting.

Exact age from a birth date: years, months, days, total days, weeks and hours, birth weekday and days to the next birthday.

Number of beads for a strand of a given finished length from bead size and spacing, with finished length and total weight.

Wax and fragrance oil weights for container candles from jar size, fill level, wax density and fragrance load.

Fewest land border crossings between two countries, with the countries passed through, or NO_LAND_ROUTE.

Best text color (black or white) for a background hex color, with contrast ratios and WCAG AA/AAA results for both.

Render a FEN position as an 8x8 ASCII board (White at the bottom) plus a piece-by-square list.

Airport weather now and ahead in one call: current flight category, worst forecast category, wind and trend.

Convert an airport code between IATA (3 letters) and ICAO (4 letters) and validate the format; reports unknown codes.

Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness.

Percent-encode or decode text as URL component, path, query or form data (UTF-8), with byte counts.

Tavily web search — POST { query, max_results?: 5 } on search.gedx402.com; ranked results via Tavily API. $0.042 USDC per request. AM-winning shape at /v1/search. Agent search: tavily, web search, serp, search lite, semantic search.

US federal regulations in the pipeline — documents on public inspection at the Federal Register, filed by agencies and scheduled to publish, with type, agencies, filing time and the scheduled date. Use to see tomorrow's rules, notices and executive orders before they are published.

CVE fact check, deterministic. Answers "is CVE-XXXX-NNNN real", "is it exploited in the wild", "what version fixes it", "how severe is it". Joins the NVD record (CVSS score, vector, dates), the CISA KEV catalog (actively-exploited flag, remediation due date, ransomware use), and OSV (affected packages + fixed versions per ecosystem). No LLM. Distinguishes "not a known CVE" from "registry unreachab

Convert text to camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, sentence case and a URL slug.

Aquarium volume in US gallons and litres from inside dimensions, usable water after substrate, and the water's weight.

Adjust p-values for multiple testing (Bonferroni, Sidak, Holm, Benjamini-Hochberg) and see which tests survive.

Dataset metadata for this Japanese (JP) corporate-number API — how many corporations are loaded and which prefectures are covered.

Fetch one URL from a residential IP and get the raw response as JSON: status, final URL, headers and body (text or base64), up to 10 MB. GET, HEAD or POST, your own headers, an optional country. No JavaScript rendering. You pay for the megabytes delivered; a fetch that fails is not charged. Pay per call in stablecoins.

Top up $0.1 USDC and get $0.11 of agentsvc.io credit (10% bonus), valid 180 days. Returns a bearer token: send "Authorization: Bearer <token>" with any /api/v1/proxy/{slug} call or MCP request instead of an x402 payment. Calls are then paid from the balance without an on-chain step (a few milliseconds). Failed calls are refunded. To add to an existing token, send it in the Authorization header wit