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Kirim.Email SMTP API

Validate a single email address with strict mode

POST
/api/email/validate/strict
curl --request POST \
  --url https://smtp-app.kirim.email/api/email/validate/strict \
  --header 'Authorization: Basic <credentials>' \
  --header 'Content-Type: application/json' \
  --data '{ "email": "[email protected]" }'

Strict email validation including RFC compliance with no warnings, comprehensive DNS checks, and blocklist validation. Results are cached for performance.

Authorizations

Section titled “Authorizations”

Request Bodyrequired

Section titled “Request Bodyrequired”
object
email
required

The email address to validate

string format: email
<= 254 characters
Example
[email protected]

Responses

Section titled “Responses”

200

Section titled “200”

Strict email validation completed successfully

Media typeapplication/json
object
success
boolean
data

Email validation result with comprehensive checks

object
email

The validated email address

string
is_valid

Whether the email passed all validation checks

boolean
error

Error message if validation failed

string
nullable
warnings

Array of validation warnings

Array<string>
cached

Whether result was served from cache

boolean
validated_at

ISO timestamp of validation

string
is_spamtrap

Whether email is identified as likely spamtrap

boolean
spamtrap_score

Spamtrap probability score (0.0-1.0)

number format: float
<= 1
Example
{
  "success": true,
  "data": {
    "email": "[email protected]",
    "is_valid": true,
    "error": null,
    "warnings": [],
    "cached": false,
    "validated_at": "2024-01-01T12:00:00Z",
    "is_spamtrap": false,
    "spamtrap_score": 0.1
  }
}

400

Section titled “400”

Invalid request parameters

Media typeapplication/json
object
success
boolean
message
string
errors
object
Example
{
  "success": false,
  "message": "The given data was invalid."
}

401

Section titled “401”

Unauthorized - Invalid or missing authentication

Media typeapplication/json
object
success
boolean
message
string
Example
{
  "success": false,
  "message": "Unauthorized"
}

429

Section titled “429”

Rate limit exceeded

Media typeapplication/json
object
success
boolean
message
string
retry_after

Seconds until rate limit resets

integer
Example
{
  "success": false,
  "message": "Rate limit exceeded. Please try again later.",
  "retry_after": 3600
}

Headers

Section titled “Headers”
Retry-After
integer

Seconds until rate limit resets

X-RateLimit-Limit
integer

Maximum requests per hour

X-RateLimit-Remaining
integer

Remaining requests in current window

500

Section titled “500”

Internal server error

Media typeapplication/json
object
success
boolean
message
string
Example
{
  "success": false,
  "message": "Internal server error occurred during email validation"
}