Directory / dev.intel.rallylive.ca
Validate a isbn 10: tests the value against a well-known isbn 10 pattern and returns valid true/false, the pattern used (so you can reuse it), and, when it fails, the first character position that breaks the rule. Format validation without writing regexes. $0.01 per call.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://dev.intel.rallylive.ca/dev/validate/isbn-10' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://dev.intel.rallylive.ca/dev/validate/isbn-10'
Endpoint: https://dev.intel.rallylive.ca/dev/validate/isbn-10. Operated by dev.intel.rallylive.ca, not by Animica. Price and availability were correct at the last probe on 2026-10-01 and are set by the operator, who may change them.
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