Test your email deliverability with one API call. Get instant SPF, DKIM, DMARC, blacklist checks and actionable recommendations to maximize inbox placement.
# Test email deliverability in seconds
curl -X POST https://mailradar.co/api/v1/test \
-H "X-API-Key: mr_your_api_key" \
-H "Content-Type: application/json" \
-d '{"from_email": "hello@yourdomain.com"}'Three simple steps to bulletproof your email deliverability
Make a POST request to our API with your sender email address and optional email content for spam analysis.
Our engine performs real-time DNS lookups, checks SPF/DKIM/DMARC records, scans 10+ blacklists, and analyzes content.
Receive a detailed deliverability score with specific recommendations to improve your inbox placement rate.
Verify Sender Policy Framework records authorize your sending servers.
Check DomainKeys signatures across multiple selectors for authenticity.
Analyze Domain-based Message Authentication policy and enforcement.
Check your IP against 10+ major DNSBLs including Spamhaus and Barracuda.
Scan for spam trigger words, formatting issues, and suspicious patterns.
Validate MX records and reverse DNS configuration for your domain.
Get detailed, structured results you can act on immediately
{
"deliverability_score": 85.0,
"spf_check": { "status": "pass", "score": 10 },
"dkim_check": { "status": "pass", "score": 10 },
"dmarc_check": { "status": "partial", "score": 4 },
"blacklist_check": { "status": "pass", "score": 10 },
"recommendations": [
"Implement DMARC with quarantine or reject policy.",
"Set up reverse DNS (PTR) record matching your domain."
]
}Start free, scale as you grow. Pay securely with Razorpay.
"MailRadar helped us increase our email open rates by 40%. The API integration took less than 10 minutes."
"We integrated MailRadar into our CI/CD pipeline. Now every email template is tested before deployment."
"The blacklist checking alone saved us from a major deliverability crisis. Essential tool."
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