# Services from handel.halowerk.com on Zero > handel.halowerk.com serves 23 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/handel.halowerk.com Live health (JSON, refreshed every minute): https://www.zero.xyz/host/handel.halowerk.com/health.json ## Services - [HALOWERK UK OFSI Sanctions Screener](https://www.zero.xyz/c/halowerk-uk-ofsi-sanctions-screener-0f77f558/llms.txt): $0.004/call via x402. Checks a person, company, or ship name against the UK Foreign, Commonwealth and Development Office (FCDO) Sanctions List and returns detailed match records including designation IDs, regime, measures imposed, and origin. - [HALOWERK Warehouse Slotting Optimizer](https://www.zero.xyz/c/halowerk-warehouse-slotting-optimizer-e7dad20b/llms.txt): $0.005/call via x402. Optimizes warehouse slot assignments by computing an optimal placement plan that minimizes travel distance given SKU pick frequencies, storage location constraints, and joint-pick affinities. - [HALOWERK Invoice Extract](https://www.zero.xyz/c/halowerk-invoice-extract-f1723ddc/llms.txt): $0.004/call via x402. Parses a hybrid electronic invoice (ZUGFeRD, Factur-X, XRechnung, or Peppol BIS) from a base64-encoded PDF or XML and returns structured invoice data including header, line items, tax breakdown, and totals. - [GLEIF Legal Entity Identifier (LEI) Lookup](https://www.zero.xyz/c/gleif-legal-entity-identifier-lei-lookup-f0ed15b3/llms.txt): $0.005/call via x402. Looks up a legal entity by LEI code or name in the GLEIF worldwide LEI register, resolving raw GLEIF codes (legal form, register) into human-readable labels with official names and register website links. - [OFAC Sanctions List Screener](https://www.zero.xyz/c/ofac-sanctions-list-screener-f20e2dbe/llms.txt): $0.004/call via x402. Checks a name (person, company, vessel, or aircraft) against the US Treasury OFAC Specially Designated Nationals and Blocked Persons List and returns matching records with programme, type, and alias details. - [Handel Landed Cost Calculator](https://www.zero.xyz/c/handel-landed-cost-calculator-3ab8c792/llms.txt): $0.002/call via x402. Computes the full landed cost of an import including customs duty and import VAT, correctly ordered (duty-inclusive base for VAT), using live UK Trade Tariff or USITC HTS rates. - [HALOWERK Price Elasticity Estimator](https://www.zero.xyz/c/halowerk-price-elasticity-estimator-0e998044/llms.txt): $0.005/call via x402. Fits a log-log (constant-elasticity) demand curve to historical price and sales data and returns elasticity, standard error, t-statistic, p-value, and Student-t confidence intervals, plus optional contribution-optimal price and price grid evaluation. - [Handel PO–Invoice–Delivery Note Matcher](https://www.zero.xyz/c/handel-po-invoice-delivery-note-matcher-2198bd13/llms.txt): $0.002/call via x402. Compares a purchase order against a delivery note and an invoice line by line, pairing lines by article number or text similarity and flagging mismatches with similarity scores. - [Handel Parcel Normalize – Carrier Detection & Tracking Number Validation](https://www.zero.xyz/c/handel-parcel-normalize-carrier-detection-tracking-number-validation-4311a943/llms.txt): $0.002/call via x402. Identifies the carrier behind a parcel tracking number and validates it using format matching plus actual check-digit computation (UPS 1Z, UPU S10, GS1 mod-10). - [HALOWERK Return Disposition Engine](https://www.zero.xyz/c/halowerk-return-disposition-engine-77779631/llms.txt): $0.004/call via x402. Evaluates returned products against four disposition routes (resell, repair-and-resell, recover, dispose) and returns the optimal decision per return with supporting arithmetic. - [Handel Invoice Audit](https://www.zero.xyz/c/handel-invoice-audit-1efacb27/llms.txt): $0.002/call via x402. Validates an invoice by recomputing all line totals, discounts, tax groups, and grand totals from raw line data, then comparing each computed figure against the document's stated values. - [HALOWERK Container Load Planner](https://www.zero.xyz/c/halowerk-container-load-planner-9f4ab529/llms.txt): $0.006/call via x402. Computes an optimal 3D bin-packing loading plan for a set of packages into a single container or loading space, returning the exact placement positions and orientations. - [GTIN/Barcode Resolver](https://www.zero.xyz/c/gtin-barcode-resolver-8df148c7/llms.txt): $0.005/call via x402. Validates a barcode check digit locally and then looks up product details (name, brand, category, packaging, quantity, images) across Open Food Facts and a general product database. - [Handel Ingredient Decoder](https://www.zero.xyz/c/handel-ingredient-decoder-9826fe35/llms.txt): $0.005/call via x402. Parses a product ingredient list into a structured hierarchy, resolving additives to E numbers, flagging percentages, and annotating origin markers like palm oil and vegan/vegetarian status. - [Handel Local Business Search (OpenStreetMap/Overpass)](https://www.zero.xyz/c/handel-local-business-search-openstreetmap-overpass-f8a108b6/llms.txt): $0.005/call via x402. Searches OpenStreetMap via Overpass for businesses of a specific trade type within a radius of a coordinate, returning name, address, opening hours, phone, website, and distance sorted nearest first. - [handel.halowerk.com VAT Resolve](https://www.zero.xyz/c/handel-halowerk-com-vat-resolve-f9a77d68/llms.txt): $0.002/call via x402. Validates a VAT number against VIES and determines the correct VAT treatment (domestic, intra-community reverse charge, B2C distance, or export) for a given supplier-customer transaction in a single call. - [Handel Halowerk Nutrition & Eco Score Analyzer](https://www.zero.xyz/c/handel-halowerk-nutrition-eco-score-analyzer-5f50cffb/llms.txt): $0.005/call via x402. Returns nutritional values per 100g, Nutri-Score, NOVA processing group, environmental score, and packaging composition for a food product, each with the underlying input data that produced them. - [Handel Reformulation Detector](https://www.zero.xyz/c/handel-reformulation-detector-0e9a4c11/llms.txt): $0.006/call via x402. Monitors a food product over time by storing a snapshot on first call and reporting ingredient, allergen, additive, nutritional, and packaging changes on subsequent calls. - [handel.halowerk.com Return Policy Extractor](https://www.zero.xyz/c/handel-halowerk-com-return-policy-extractor-6e294734/llms.txt): $0.01/call via x402. Fetches a retailer's public return policy page in a real browser and extracts it into a fixed structured schema covering return window, shipping costs, refund method, restocking fees, conditions, exclusions, and procedure steps. - [Handel Allergen Check](https://www.zero.xyz/c/handel-allergen-check-ce1cc5f2/llms.txt): $0.005/call via x402. Returns allergen declarations, trace warnings, ingredients text, and record completeness for a food product identified by barcode, explicitly distinguishing 'not declared' from 'not present'. - [HALOWERK hs-classify](https://www.zero.xyz/c/halowerk-hs-classify-786c8751/llms.txt): $0.003/call via x402. Classifies a product or trade item into a standardized customs/harmonized system (HS) tariff code based on its description or attributes - [HALOWERK Sanctions Check](https://www.zero.xyz/c/halowerk-sanctions-check-ea90ff07/llms.txt): $0.004/call via x402. Checks a person or entity name against international sanctions lists to determine if they are sanctioned. - [HALOWERK Recall Check](https://www.zero.xyz/c/halowerk-recall-check-09ae90a0/llms.txt): $0.003/call via x402. Checks a food product for active recalls or safety alerts, returning structured recall status information. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)