{"resource":"https://agent402.tools/api/skill/contact-verify","service":"Skill: Contact verification","areas":["enrichment"],"answering":true,"http_status":402,"latency_ms":201,"price_usdc":0.004,"buyers_30d":3,"calls_30d":4,"description":"Verify an email address is deliverable - syntax validation plus MX record check on the domain. Contact verification skill pack: one x402 payment runs 3 underlying tools (email-validate, dns-lookup, spf-check); partial-success per step.","id":"781760762dc0","category":"DNS and domains","accuracy":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/781760762dc0"}