Task

Deliverability

51 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.

Readr MailCheck x402 REST

Email deliverability audit for a domain: MX records, parsed SPF with qualifier grading, DMARC policy grade, DKIM selector probing (12 common selectors), and DNSBL reputation checks (dronebl, SpamCop, Barracuda, Spamhaus)...

failure.zo.space Comms & Messaging checked 2026-10-29

no price published

orbit Web Tools x402 REST

AI-agent readiness audit, $0.001 USDC per call: How ready is a website for AI agents? Live checks of /llms.txt, robots.txt rules for 12 AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot…), sitemap.xml...

orbit-web.orbit-builder.workers.dev Crypto & Payments checked 2026-10-29

0.001 USDC per call per call

Email deliverability x402 REST

email deliverability and spoofing check from DNS: MX, SPF and DMARC records with concise risk flags.

relay402.georgespring.workers.dev Comms & Messaging checked 2026-11-02

0.005 USDC per call per call

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