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API reference

Single email verification

Verify a single email address in real-time.

Endpoint

POST https://api.kawaa.com/v1/verify

Request body

{
  "email": "john@example.com",
  "options": {
    "deep_verify": true,
    "enrich": false
  }
}

Only the options listed below are recognised. Any other key inside options is ignored rather than rejected, so check the spelling against this table.

Parameters

ParameterTypeDescription
emailstringRequired. Email to verify
options.deep_verifybooleanRun SMTP mailbox probing and catch-all detection (default: true)
options.include_aibooleanInclude AI analysis such as typo suggestions (default: true)
options.enrichbooleanInclude name/gender data (default: false). Requires a plan with data enrichment
options.skip_cachebooleanForce a fresh verification instead of reusing a cached result (default: false)
options.timeout_msnumberHow long to wait for a synchronous result before returning pending, capped at 60000

Response

{
  "success": true,
  "data": {
    "job_id": "29f094a4-c170-40ed-91c8-2915f9a40063",
    "email": "john@example.com",
    "status": "risky",
    "sub_status": "catch_all",
    "quality_score": 72,
    "verification": {
      "syntax_valid": true,
      "domain_exists": true,
      "mx_found": true,
      "catch_all": true,
      "greylisted": false
    },
    "flags": {
      "disposable": false,
      "role_account": false,
      "free_provider": false,
      "spam_trap": false,
      "abuse_email": false,
      "honeypot": false,
      "complainer": false,
      "bot_generated": false
    },
    "domain_info": {
      "domain": "example.com",
      "provider_type": "corporate",
      "auth_score": 74,
      "auth_grade": "C",
      "has_spf": true,
      "has_dmarc": true,
      "has_dkim": true
    },
    "credits_used": 1,
    "credits_remaining": 9994,
    "verified_at": "2026-01-10T12:00:00Z",
    "request_id": "098616d8-0738-4aeb-b6b8-be49d85ac51b"
  }
}

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