# Services from api.ozdreamtools.de on Zero

> api.ozdreamtools.de serves 14 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.ozdreamtools.de
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.ozdreamtools.de/health.json

## Services

- [OzDreamTools Agent-Ready Assessment](https://www.zero.xyz/c/ozdreamtools-agent-ready-assessment-ed661bcd/llms.txt): $0.01/call via x402. Audits a website's AI crawler and agent readiness by analyzing caller-supplied artefacts (robots.txt, HTML, headers, llms.txt, sitemap, .well-known paths) and reporting per-bot crawl policies and gaps without making any outbound requests.
- [German Legal Deadline Calculator (BGB §§ 187-193)](https://www.zero.xyz/c/german-legal-deadline-calculator-bgb-187-193-9fb477a4/llms.txt): $0.05/call via x402. Calculates the end date of a German legal deadline (Fristende) under BGB §§ 187-193, including event vs. commencement start rules, month/year period ends, and postponement to the next working day for Sundays, Saturdays, or public holidays.
- [IBAN Validator with Structure and Check-Digit Verification](https://www.zero.xyz/c/iban-validator-with-structure-and-check-digit-verification-3f115f58/llms.txt): $0.02/call via x402. Validates an IBAN by checking country prefix, length, segment structure against the SWIFT registry, and verifying or recomputing ISO 7064 MOD 97-10 check digits — reporting every check with pass/fail status.
- [robots.txt Linter and Allow/Disallow Analyzer](https://www.zero.xyz/c/robots-txt-linter-and-allow-disallow-analyzer-fb2f57e5/llms.txt): $0.05/call via x402. Validates a robots.txt file against RFC 9309, reporting all checks (not just failures), and computes per-URL allow/disallow decisions with winning rule details for a given user agent.
- [BFSG/WCAG Accessibility Checker](https://www.zero.xyz/c/bfsg-wcag-accessibility-checker-01aa04cd/llms.txt): $0.1/call via x402. Checks caller-supplied HTML for web accessibility problems across 12 criteria (language, title, alt text, form labels, heading order, zoom, landmarks, link text, table headers, iframes, autocomplete) and maps findings to WCAG success criteria under German BFSG.
- [Cold Outreach Legal Policy Checker](https://www.zero.xyz/c/cold-outreach-legal-policy-checker-17a312db/llms.txt): $0.05/call via x402. Returns whether cold email, phone, SMS, or postal outreach is allowed, conditional, or prohibited in a given country, with the relevant legal basis and conditions.
- [EU VAT Number Format Validator](https://www.zero.xyz/c/eu-vat-number-format-validator-f08a9dc0/llms.txt): $0.02/call via x402. Validates the format of an EU VAT number against the European Commission's published format table for 27 EU member states plus GB and XI, reporting pattern match status without making a live VIES validity check.
- [German Federal State Public Holidays API](https://www.zero.xyz/c/german-federal-state-public-holidays-api-ad1f2ef2/llms.txt): $0.02/call via x402. Returns the official public holidays (Feiertage) for a specified German federal state and year, with dates, weekdays, statutory citations, and regional applicability flags
- [German Readability Scorer (Flesch-Amstad + Wiener Sachtextformel)](https://www.zero.xyz/c/german-readability-scorer-flesch-amstad-wiener-sachtextformel-3844a635/llms.txt): $0.05/call via x402. Scores the readability of a German text using the Flesch Reading Ease (Amstad adaptation) and all four Wiener Sachtextformel variants, returning scores, underlying linguistic counts, and the formulas used.
- [German Imprint (§ 5 DDG) Compliance Checker](https://www.zero.xyz/c/german-imprint-5-ddg-compliance-checker-e7eb9a11/llms.txt): $0.1/call via x402. Validates HTML imprint content against the eight mandatory disclosure groups of German § 5 DDG (Digitale-Dienste-Gesetz), returning findings with citations for each requirement.
- [German Invoice Compliance Checker (§ 14 (4) UStG)](https://www.zero.xyz/c/german-invoice-compliance-checker-14-4-ustg-d757d3ab/llms.txt): $0.1/call via x402. Validates a German invoice text against the ten mandatory details of § 14 (4) UStG, applies Kleinbetragsrechnung simplifications for invoices ≤ 250 EUR, and reports whether a structured e-invoice format (XRechnung, UBL, ZUGFeRD) is present.
- [llms.txt Generator (ozdreamtools)](https://www.zero.xyz/c/llms-txt-generator-ozdreamtools-b6099b93/llms.txt): $0.1/call via x402. Generates a spec-compliant llms.txt file from caller-supplied sitemap entries and page titles, following the llmstxt.org standard with H1, blockquote summary, H2 sections, and an Optional section.
- [Product Page Purchasability Check](https://www.zero.xyz/c/product-page-purchasability-check-65cca5de/llms.txt): $0.15/call via x402. Analyzes raw HTML of a product page to detect contradictions between structured data (JSON-LD/Microdata) and visible text signals around price, availability, variants, shipping, and returns that would cause a buying agent to fail.
- [OzDreamTools x402 Demand Analytics](https://www.zero.xyz/c/ozdreamtools-x402-demand-analytics-12cfb74f/llms.txt): $0.01/call via x402. Returns aggregated demand statistics for x402 monetized API routes — request counts, price requests, HTTP status outcomes, settled payments, conversion/repeat rates, caller classes, and country distribution per route per day.

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)