Looking for a DeBounce alternative? DeBounce wins on price per check at high volume; BounceZero wins on result depth and explained verdicts. Every claim below is dated and qualified so you can compare the two on your own list.
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| Feature | BounceZero | DeBounce |
|---|---|---|
| Free credits/month | 100, renews monthly | Free trial credits (not verified by us) |
| Price per 1,000 emails | $3.00 flat | from $0.45 at top volume¹ |
| Monthly subscription | None - pay as you go | None¹ |
| Credits expiry | Never expire | Never expire¹ |
| Verification signals | 65+ fields | 12 signals (vendor-documented)² |
| SMTP deep check | ✓ | ✓ |
| Catch-all detection | ✓ Advanced | ✓ |
| Disposable email detection | ✓ | ✓ |
| Spam trap detection | ✓ | ✓ |
| Bulk CSV upload | ✓ | ✓ |
| REST API | ✓ | ✓ |
| Webhooks | ✓ | — |
| Zapier / n8n integration | ✓ | — |
| Plain-English explanations | ✓ | — |
| Domain intelligence | ✓ | — |
| Advertised accuracy (vendor claims³) | 99.8% | not independently verified |
| Support | Telegram + Email | — |
¹ DeBounce pricing verified 7 Aug 2026 against debounce.io/pricing: per-check pricing with a $0.00045 floor (from $0.45 per 1,000 at top volume), no subscription, credits never expire. ² DeBounce publishes a 12-signal verification stack; that is their documented claim, not our measurement. ³ Accuracy figures are vendor claims, not independent benchmarks. BounceZero's figure is scoped to SMTP-verifiable addresses; catch-all and provider-blocked mailboxes are probabilistic. See product facts.
DeBounce is a price play at scale: aggressive per-check pricing that falls with volume, a documented 12-signal stack, and credits that never expire. For teams cleaning very large lists where a core go/no-go verdict is enough, it is hard to beat on cost per check.
BounceZero makes the opposite bet: one flat published price at any volume, and a deeper result model where each verdict is explained. Instead of a bare status you get 65+ verification and metadata fields, an explicit advanced catch-all classification, domain intelligence, and plain-English reasons for the risky middle of your list.
Neither structure is wrong. Six-figure volume with a core verdict only favours DeBounce; work where you need to understand the borderline records favours BounceZero.
BounceZero returns 65+ evaluated and/or returned verification and metadata fields and labels borderline records Risky with the signals behind them. DeBounce documents a 12-signal stack; compare the fields your integration actually consumes.
BounceZero costs a flat $3 per 1,000 whether you verify 2,000 or 2,000,000 addresses, with 100 free credits renewing every month and no card required. DeBounce is cheaper per check at high volume, so run both at your exact volume before you move.
BounceZero is a UK company registered with the ICO. Its Privacy Policy and DPA document infrastructure, subprocessors and transfer safeguards. Buyers with location requirements should review those documents against their own policy.
api.bouncezero.io and map its status field to BounceZero's Deliverable / Risky / Undeliverable / Unknown model.Flat per-check price vs volume-scaled credits
DeBounce figures verified 7 Aug 2026 (debounce.io/pricing): from $0.45 per 1,000 at top volume. BounceZero figures: bouncezero.io/pricing.
No, at high volume. DeBounce prices from $0.45 per 1,000 at top volume with a $0.00045-per-check floor, no subscription, credits never expire (verified 7 Aug 2026), which is cheaper per check than BounceZero's flat $3 per 1,000. The trade is result depth, not price.
Both flag catch-all behaviour. BounceZero returns an explicit advanced catch-all classification with supporting signals, so borderline mailboxes are labelled Risky rather than a bare verdict. Provider behaviour varies and neither approach is perfect, so test both on your own list.
They overlap on bulk uploads, REST API and core verification, but differ in depth. DeBounce documents a 12-signal stack; BounceZero evaluates and/or returns 65+ verification and metadata fields with plain-English explanations. Compare the exact current API fields your workflow requires.
It depends on what you optimise for. DeBounce is cheaper per check at high volume; BounceZero is a flat $3 per 1,000 at any volume with a deeper per-record result model. If volume is the only constraint DeBounce wins on price; if you need to understand the risky middle of your list, compare the result models.
Yes - if what you need is a flat, published price with no volume tiers, credits that never expire, 100 free credits renewing monthly, and a deeper per-record result model with explained verdicts. The honest caveat: at six-figure volumes DeBounce is cheaper per check, so if you only need core verdicts at scale, compare both at your exact volume.
Start free, run the same list through both services, and keep the verdicts you trust. Your API key works immediately after signup.
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Independent comparison. BounceZero is an independent, UK-registered company. We are not affiliated with, endorsed by, or connected to ZeroBounce or any other brand mentioned on this page. All product names, logos and trademarks are the property of their respective owners and are used solely to identify and compare competing services.