Introduction to ClearBounce API
ClearBounce is a professional email verification API that helps you maintain clean email lists, improve deliverability, and protect your sender reputation.
Why Email Verification?
- Reduce Bounce Rates: Invalid emails damage your sender reputation
- Save Money: Don't pay to send to non-existent addresses
- Improve Deliverability: Clean lists mean better inbox placement
- Protect Reputation: Avoid spam traps and honeypots
Key Features
Real-Time Verification
Verify emails instantly via our REST API. Perfect for registration forms, checkout flows, and real-time validation.
Bulk Verification
Upload thousands of emails and verify them in batch. Ideal for cleaning existing lists.
Comprehensive Checks
| Check | Description |
|---|---|
| Syntax Validation | Validates email format according to RFC standards |
| MX Record Check | Verifies domain has valid mail exchange records |
| SMTP Verification | Connects to mail server to verify mailbox exists |
| Disposable Detection | Identifies temporary/throwaway email addresses |
| Role-Based Detection | Detects generic addresses (info@, support@, etc.) |
| Catch-All Detection | Identifies domains that accept all emails |
| Provider Detection | Identifies the email service provider |
| Typo Detection | Suggests corrections for common domain typos |
Response Data
Every verification returns rich data including:
- Status:
deliverable,undeliverable,risky,unknown - Reason: Human-friendly explanation for the verification result
- Score: 0-100 deliverability score
- Toxicity: 0-5 toxicity score
- Provider: Email service provider (google.com, microsoft.com, etc.)
- DNS Type: MX or A record used for verification
- Account Status: Full mailbox or disabled account detection
- Risk Factors: Detailed reasons for risky classifications
Getting Started
- Create an account at ClearBounce
- Get your API key from the dashboard
- Follow our Quick Start Guide to make your first API call
API Endpoints
| Endpoint | Method | Description |
|---|---|---|
/api/v1/verify | POST | Single email verification |
/api/v1/bulk/upload | POST | Upload emails for batch verification |
/api/v1/bulk/status/:jobId | GET | Check batch job status |
/api/v1/bulk/results/:jobId | GET | Download batch results |
Need Help?
- Email: support@clearbounce.net
- Documentation: You're already here!