sendbridge
SendBridge is an email verification and list-cleaning service that removes invalid, risky, and disposable addresses to improve deliverability and protect sender reputation. It offers a web client for batch uploads, a real-time verification API, free tools, and a free tier with 100 checks/month.
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Quick Overview
Best for: Content & Marketing
What it does
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Best fit
Content & Marketing
Pricing snapshot
Free from Free — 100 checks/month
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SendBridge is an email list cleaning and verification service designed to protect sender reputation, reduce bounce rates, and improve deliverability. The service flags invalid and undeliverable addresses and identifies risky types such as spam traps, role accounts, catch-all servers, and disposable addresses. Users can verify lists via a simple client area for batch uploads and downloads or integrate a real-time verification API with popular programming languages. A free tier provides 100 checks per month and the site also offers complementary free tools like a Mail-Tester alternative and SPF/DKIM/DMARC analysis.
SendBridge is an AI-powered email validation service for improved deliverability and sender reputation.
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Claim this listing for $29Key Features
AI-powered verification
Uses AI-powered verification to quickly flag invalid, undeliverable, and risky email types (spam traps, role accounts, catch-all servers, disposable addresses).
Categorized verification results
Every email verification is categorized as Deliverable, Undeliverable, Risky, or Unknown, with detailed reports for each address.
Real-time Verification API
Provides a simple-to-integrate real-time email verification API with support for popular coding languages like Go, Java, PHP, Python and .NET.
Web client for batch cleaning
Client area where users can upload email lists, run verifications, and download cleaned lists in Excel (XLSX), CSV, or TXT formats.
Free Mail-Tester alternative
Unlimited free mail testing with deliverability score (0–100), SPF/DKIM/DMARC analysis, blacklist checks and actionable fixes.
High accuracy
Claims super-fast email checking with 99% accuracy to reduce bounces and protect sender reputation.
Pricing
100 checks per month free account
Free
Free — 100 checks/month- 100 verifications per month
- Access to web client and free tools
Use Cases
Email marketing list cleaning
Remove invalid, misspelled, disposable, and risky addresses to lower bounce rates and improve campaign deliverability and ROI.
Cold email hygiene
Clean lists used for cold emailing to establish a better sender reputation and reduce the risk of messages being marked as spam.
Real-time address validation
Integrate the real-time API into signup flows or CRM systems to validate addresses at the point of collection.
Deliverability diagnostics
Use the Mail-Tester style tools and SPF/DKIM/DMARC analysis to diagnose inbox placement problems and fix authentication or blacklist issues.
Integrations
Real-time API (Go, Java, PHP, Python, .NET)
Integrate verification into applications and signup flows using the supported programming languages.
SPF/DKIM/DMARC & blacklist checks
Includes deliverability and authentication checks (SPF, DKIM, DMARC) and blacklist monitoring used by the free Mail-Tester alternative.
Export formats
Download cleaned lists in XLSX, CSV, or TXT for integration with CRMs and email platforms.
Benefits
Limitations
No verified limitations are available.
Frequently Asked Questions
What happens if I don’t verify my email?
How to verify your email lists with SendBridge?
Getting Started
- 1 Create account: Sign up for a free account to receive up to 100 email checks per month.
- 2 Upload your email list: Use the client area to upload a list for verification.
- 3 Download results: Retrieve the cleaned list in XLSX, CSV, or TXT formats; optionally integrate the real-time API into your workflows.
Support
docs
Articles & resources, tutorials, glossary and blog content available on the site.
contact
Contact Us / About & Contact links listed on the site for direct support or inquiries.
status
Network Status page is listed for checking service status.
API
Real-time email verification API; integrates with Go, Java, PHP, Python and .NET (documentation links available on site).
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