B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
73.2%
73.2% -- email deliverability rate for Apollo.io (2026-06)
73.2% of email addresses from Apollo.io were deliverable via SMTP (valid) in a test of 100,000 exported contacts.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
73.2%
Unit
Percentage
Data Vintage
2026-06
Entity
Sample Size
100,000
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
BounceZero
Primary
Tier A
https://bouncezero.io/apollo-io-review-2026 ↗
Source Article
Apollo.io Review 2026 - Honest Assessment with Accuracy Data | BounceZero
Honest Pros, Cons & Accuracy Data
We verified 100,000 Apollo contacts with BounceZero to measure real-world email accuracy. Here is what the data shows - and what it means for your outreach strategy.
By BounceZero Team
|July 2026
|11 min read
4.4/5
Overall
Best-value prospecting tool
73.2%
Email acc…
Original Research
BounceZero
· Original study ↗
Methodology
BounceZero SMTP verification of 100,000 Apollo contacts exported between Jan-Jun 2026, verified immediately
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Apollo.io: 73.2% email deliverability rate. Source: BounceZero (2026-06). Via Lighthouse Intelligence -- https://lighthousedata.io/data/apollo-email-accuracy-732
HTML Embed
<blockquote cite="https://lighthousedata.io/data/apollo-email-accuracy-732" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>73.2%</strong> -- email deliverability rate for Apollo.io<br><small>Source: BounceZero (2026-06) · <a href="https://lighthousedata.io/data/apollo-email-accuracy-732" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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