Same up to 99.8% accuracy in internal testing on SMTP-verifiable addresses. More signals. 62% cheaper - $3/1K instead of $8/1K. Credits that never expire. No integration rewrite required.
No developer required for list verification. API migration takes 5 extra minutes.
In your ZeroBounce dashboard > Email Validator > Download results as CSV. Or export your unverified list if you want BounceZero to verify fresh.
Sign up at app.bouncezero.io. No credit card required. You receive 100 free verification credits immediately on account creation.
Go to Bulk Verification > Upload CSV. BounceZero auto-detects the email column in any format. Verification starts immediately.
When complete, download results as CSV. Output columns (status, sub_status, score) map directly to standard ESP import formats - no reformatting needed.
| Feature | ZeroBounce | BounceZero |
|---|---|---|
| Price per 1,000 | ~$8 | $3 |
| Price per 50,000 | ~$400 | ~$150 |
| Accuracy | 99.8% | 99.8% |
| SPF/DKIM/DMARC per email | Add-on | Included |
| Plain-English explanations | No | Included |
| Social profile detection | No | Included |
| Breach database check | No | Included |
| Credits expire? | Yes (some plans) | Never |
| API latency | ~500ms avg | provider-dependent timing |
| SMTP signals | Basic | 65+ signals |
| CSA STAR certification | No | Yes |
| GDPR / ICO registered | Yes | Yes |
Under 10 minutes for list verification. Create an account (2 min), upload CSV (1 min), download results when ready. API migration takes 5 extra minutes to update your endpoint URL and key.
No. Download your results from ZeroBounce as CSV before switching. You keep all historical data. BounceZero can re-verify any list you upload on top of that.
Yes - both achieve ~99.8% on SMTP-verifiable addresses. BounceZero adds 65+ signals including SPF/DKIM/DMARC per email, social detection, and plain-English explanations, which ZeroBounce charges extra for.
Minimal changes: update the endpoint URL and API key. BounceZero's REST API returns JSON in a similar structure. Full documentation at bouncezero.io/docs with migration examples.
Use them up before switching, or request a ZeroBounce refund if within their policy window. BounceZero credits never expire, so there's no urgency to burn through them.
Migration guides with field mapping and representative-list testing
Dated pricing, credit terms and evidence
Signal depth and per-email cost compared
No more expiring credits - switch in 10 minutes
Vendor-authored comparison with dated evidence
Dated pricing, features, evidence and limitations
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