HTS Classifier — US Tariff Code & Duty Lookup

Global landed cost calculator for traders shipping to the US. Queries live USITC tariffs, stacks Section 232/301/AD-CVD duties, monitors FX rates and ocean f...

Codified expertise for customs documentation, tariff classification, duty optimisation, restricted party screening, and regulatory compliance across multiple...

Look up U.S. sales tax rates using the ZipTax API. Use when the user asks about sales tax rates, tax calculations for a U.S. address/ZIP code/coordinates, freight or service taxability, jurisdiction-level tax breakdowns, use tax vs sales tax, or needs to integrate sales tax data into an application. Also handles account usage metrics and product taxability codes (TIC). Supports address-level (door-level), lat/lng, and postal code lookups across 12,000+ jurisdictions.

Use HTTP correctly with proper methods, status codes, headers, and caching.

Haploidentical donor selection for hematopoietic cell transplantation (HCT). Extracts HLA typing from images/PDFs, queries IPD-IMGT/HLA APIs (B-Leader, DPB1...

Browse and search Hacker News. Fetch top, new, best, Ask HN, Show HN stories and job postings. View item details, comments, and user profiles. Search stories and comments via Algolia. Find "Who is hiring?" threads. Use for any HN-related queries like "what's trending on HN?", "search HN for AI", "show comments on story X", "who is hiring?", "latest Ask HN posts".