# Services from api.relaex-engineers.de on Zero

> api.relaex-engineers.de serves 5 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/api.relaex-engineers.de
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.relaex-engineers.de/health.json

## Services

- [Boring API – Supplier Price List Comparison](https://www.zero.xyz/c/boring-api-supplier-price-list-comparison-5ea1fe58/llms.txt): $0.05/call via x402. Compares two versions of a supplier price list (CSV, XLSX, or PDF) and returns a deterministic diff with confidence scoring
- [Boring API – Table Diff (Price List Comparison)](https://www.zero.xyz/c/boring-api-table-diff-price-list-comparison-9d5e57f1/llms.txt): $0.02/call via x402. Compares two versions of a tabular file (CSV, XLSX, or PDF) and returns a structured diff highlighting changes between them.
- [Boring API – Product Feed Validator](https://www.zero.xyz/c/boring-api-product-feed-validator-18a5307b/llms.txt): $0.01/call via x402. Validates an e-commerce product feed file (Google Merchant, Shopify CSV, or Meta Catalog) against profile-specific rules and returns structured validation results with a confidence level.
- [Boring API – PDF Table Extraction](https://www.zero.xyz/c/boring-api-pdf-table-extraction-cb5f4a62/llms.txt): $0.02/call via x402. Extracts structured table data from PDF documents provided via a public URL, returning parsed table content as JSON with a confidence level.
- [Boring API – Product Schema Normalize](https://www.zero.xyz/c/boring-api-product-schema-normalize-46718b4c/llms.txt): $0.02/call via x402. Normalizes a product data file (Shopify CSV, Google Merchant feed, WooCommerce CSV, or JSON schema) into a canonical structured format with confidence scoring

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)