P0: email check, uptime, web reader

Use when you must check an email address before sending, signing up a user or adding a lead: syntax (IDN-aware), MX records with A/AAAA fallback, null MX, and disposable, role (info@, sales@). Returns the exact paid x402 request for your input (GET /v1/email/verify, $0.01 per call), with a link to the full schema; call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. Checks one mailbox; for a list use check_email_batch; for a whole domain (DNS, SPF, DMARC) use domain_report. With a P0 access key (header Authorization: Bearer p0k_…, buy one at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) this tool makes the paid call itself and returns the data, deducting the listed price.

Use when you must check a list of email addresses before a mailing or import: up to 25 addresses in one POST, each checked exactly like /v1/email/verify. Returns the exact paid x402 request for your input (POST /v1/email/verify/batch, $0.25 per call), with a link to the full schema; POST that JSON body to the URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For one address use check_email_address. With a P0 access key (header Authorization: Bearer p0k_…, buy one at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) this tool makes the paid call itself and returns the data, deducting the listed price.

Use for reading a web page as clean markdown for an LLM or agent (url to markdown, reader, html to text): POST {url, max_chars} and get {title, markdown, chars, source_url}. Returns the exact paid x402 request for your input (POST /v1/doc/read, $0.005 per call), with a link to the full schema; POST that JSON body to the URL with an x402 or MPP client to get the data. Bad input is refused before any charge. With a P0 access key (header Authorization: Bearer p0k_…, buy one at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) this tool makes the paid call itself and returns the data, deducting the listed price.

Use when you need to know if a URL is up right now (uptime ping, health check, link check): one HEAD request from a Cloudflare edge (GET if HEAD answers 4xx/5xx), redirects followed up to 4. Returns the exact paid x402 request for your input (GET /v1/uptime/ping, $0.01 per call), with a link to the full schema; call that URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For several URLs use url_uptime_ping_batch. With a P0 access key (header Authorization: Bearer p0k_…, buy one at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) this tool makes the paid call itself and returns the data, deducting the listed price.

Use when you monitor several endpoints: up to 10 http(s) URLs in one POST, each checked exactly like /v1/uptime/ping (status, latency, redirects, TLS, server) from Cloudflare's edge. Returns the exact paid x402 request for your input (POST /v1/uptime/ping/batch, $0.10 per call), with a link to the full schema; POST that JSON body to the URL with an x402 or MPP client to get the data. Bad input is refused before any charge. For one URL use url_uptime_ping. With a P0 access key (header Authorization: Bearer p0k_…, buy one at https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/keys/buy?usd=5) this tool makes the paid call itself and returns the data, deducting the listed price.