Basalt
https://basalt-n6lt.onrender.com/.well-known/x402.json Our Verdict
A human read this entry. That is the one thing true of everything on the list. Beyond that: the endpoint answered an x402 request when we knocked it, on the date shown. That date is the claim — not a word, a date. None of it is a delivery test. We have not paid for this and graded what came back, so read it as "we checked what is stated above," never as "this is worth the money."
20 pay-per-call utility tools for AI agents: URL metadata extraction, domain availability via RDAP, email/MX validation, HTML-to-Markdown and Markdown-to-HTML, QR code generation, PDF text extraction, TLS certificate checks, language detection (186 languages), JSON Schema validation, EIP-191/EIP-712 signature recovery, IBAN/BIC/card-number checksums, geo distance, time-zone conversion, LLM token counting, hashing and HMAC, JWT decoding, URL parsing and canonicalization, EVM address checksum, and IP classification with CIDR checks. $0.002-$0.01 USDC on Base. Example: `POST /domain-check {"domain":"example.com"}`. ([OpenAPI](https://basalt-n6lt.onrender.com/openapi.json))
Rater Grades
No independent rater grade published for this entry yet. What we publish is above: who read it, and whether its endpoint answered on a date we can show. Neither is a measurement of what it returns after payment.
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