# Services from basalt-n6lt.onrender.com on Zero

> basalt-n6lt.onrender.com serves 8 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/basalt-n6lt.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/basalt-n6lt.onrender.com/health.json

## Services

- [Basalt Email Check](https://www.zero.xyz/c/basalt-email-check-1f8ff514/llms.txt): $0.005/call via x402. Validates an email address by checking syntax, MX records, and deliverability via DNS lookup
- [Basalt PDF Extract](https://www.zero.xyz/c/basalt-pdf-extract-b1d4eaf3/llms.txt): $0.01/call via x402. Extracts the full text content from a PDF at a given URL, returning the text, page count, and truncation status.
- [Basalt SSL Certificate Checker](https://www.zero.xyz/c/basalt-ssl-certificate-checker-d7dba0bc/llms.txt): $0.005/call via x402. Checks the SSL/TLS certificate status of a domain, returning validity, issuer, expiry date, and days until expiration
- [Basalt Language Detection](https://www.zero.xyz/c/basalt-language-detection-5c9ba4b2/llms.txt): $0.002/call via x402. Detects the language of a given text string, returning ISO language codes with confidence scores
- [Basalt HTML-to-Markdown Converter](https://www.zero.xyz/c/basalt-html-to-markdown-converter-b3bcd531/llms.txt): $0.003/call via x402. Converts raw HTML content into clean Markdown format
- [Basalt Domain Check](https://www.zero.xyz/c/basalt-domain-check-6d9a3b32/llms.txt): $0.01/call via x402. Checks the registration status, availability, creation/expiry dates, and registrar details for a given domain name
- [Basalt Web Page Extractor](https://www.zero.xyz/c/basalt-web-page-extractor-32262afe/llms.txt): $0.005/call via x402. Extracts structured metadata from a webpage URL, including title, description, site name, text excerpt, canonical URL, and image.
- [Basalt QR Code Generator](https://www.zero.xyz/c/basalt-qr-code-generator-2ed61561/llms.txt): $0.002/call via x402. Generates a QR code image (as a base64-encoded PNG) from any input text or URL string.

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)