{"slug":"api-mailsecuritytools-com-v1-email-check-3c4e2c","title":"Validate an email address","host":"api.mailsecuritytools.com","method":"GET","resource":"https://api.mailsecuritytools.com/v1/email-check","category":"other","description":"Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.","price_listed":0.01,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"email":"jane@example.com"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"email":{"description":"Email address","maxLength":320,"type":"string"}},"required":["email"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.","last_updated":"2026-10-26T14:54:09.174Z","schemes":["exact"]}