7 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
x402 paywall template for any HTTP API (download). Download the x402 Proxy Template v1.0.0 (zip, MIT): a Cloudflare Worker that puts an x402 paywall (USDC on Base, x402 v2 + v1) in front of any HTTP API from one config f...
Probe any public URL and report if it is an x402 paywall - price, network, payTo, scheme. Shop paywalls before you spend. Try GET /probe/sample.
Change watch for detect page paywall: runs the check, compares it with the result from your previous call for the same url (kept 90 days) and returns the current answer, changed true/false, the fields that changed with b...
Detect the page's paywall: fetches the URL and answers this one question from markup, headers and text, with the evidence. Cheap classification signal for crawlers and content pipelines. $0.01 per page.
Bulk detect page paywall: up to 20 urls in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agent...
Detect language, formality and tone of a text with confidence scores. Deterministic heuristics + compact wordlists. Returns iso_639-1 + register. — $0.001 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no...
Signs a timestamped receipt for a file's sha256, proving it existed unchanged then. US$0.002 per call; POST the hash.