If you send email marketing campaigns and want to reduce bounce rates, protect your sender reputation, and ensure your emails actually reach the inbox, ZeroBounce is the #1 rated email validation service used by over 500,000 clients worldwide. Right now you can save with verified coupon codes on credits and subscriptions. Here is everything you need — all active deals, full
All Active ZeroBounce Coupon Codes & Deals (May 2026)
10% Off All Credits — Code: WELCOME10
This is the most reliably verified ZeroBounce coupon — use it on the Pricing & Plans page in your dashboard to get 10% off any credit purchase, whether Pay-As-You-Go or subscription.
10% Off Credits for Switchers — Code: SWITCH10
If you are moving to ZeroBounce from another email validation provider, this code gives you 10% off credits as a welcome discount for new switchers.
10% Off Pay-As-You-Go Credits — Code: G2PAYG10
A partner code from ZeroBounce's G2 partnership — gives 10% off Pay-As-You-Go credit purchases. Confirmed working for credit purchases in early 2026.
20% Bonus Credits (Seasonal Promo)
ZeroBounce runs bonus credit promotions where purchasing any amount of credits gives you 20% extra credits added free to your balance. For example: buy 10,000 credits and get 12,000.
20% Off ZeroBounce ONE™ Annual Plan
Switch from monthly to annual billing on the ZeroBounce ONE™ subscription and the price drops from $99/month to $79/month — a $240 annual saving, effectively one free month per year.
100 Free Monthly Verifications — No Code Needed
Create a free ZeroBounce account with a business or premium domain email (not Gmail/Yahoo) and you get 100 free email verifications every month, indefinitely.
Verified Coupon Code Summary Table
Deal | Code | What You Get |
10% off all Pay-As-You-Go credits | WELCOME10 | 10% off any credit purchase — verified working May 2026 |
10% off credits (switcher deal) | SWITCH10 | 10% off for users switching from another email validation service |
10% off credits (G2 partner code) | G2PAYG10 | 10% off Pay-As-You-Go credits via G2 partnership |
20% bonus credits | Seasonal promo | Buy credits and get 20% extra credits added free — check zerobounce.net/promo-codes |
20% off ZeroBounce ONE™ annual plan | Auto-applied | Switch to annual billing on ZeroBounce ONE™ and save 20% ($79/mo vs $99/mo) |
100 free monthly verifications | No code needed | Sign up free with a business email and get 100 validations every month |
1 month free toolkit trial | Seasonal promo | Some promotions offer ZeroBounce ONE™ toolkit free for the first month |
How to Apply a ZeroBounce Coupon Code
For credit discounts and bonus credits:
Log in to your ZeroBounce account.
Navigate to Pricing & Plans in your dashboard.
Select your desired credit amount and toggle between Pay-As-You-Go or Monthly subscription.
Click Have a promo code? below the order total.
Enter your code (e.g., WELCOME10) and click Apply.
Confirm the discount or bonus credits appear, then complete checkout.
For ZeroBounce ONE™ toolkit discounts:
Navigate to the ZeroBounce ONE™ page and select your toolkit package.
Click Subscribe.
In the popup, click Have a promo code? and enter your code.
Click Apply, then click Checkout to complete.
What Is ZeroBounce?
ZeroBounce is the #1 rated email validation and deliverability platform, trusted by over 500,000 clients globally — including Airbnb, Intel, LinkedIn, PwC, and Strava. It was founded by Liviu Tanase, a serial entrepreneur with 14 years in telecommunications.
ZeroBounce verifies email addresses with 99.6% accuracy, removes invalid contacts, and protects your sender reputation — helping businesses reduce bounce rates, increase open rates, and ensure their emails reach real inboxes.
Beyond validation, ZeroBounce offers a complete email deliverability toolkit covering email warmup, inbox placement testing, DMARC monitoring, blacklist monitoring, and email finding. It holds SOC 2 Type II, ISO 27001, HIPAA, GDPR, and CCPA compliance certifications — one of the most security-certified email tools available.
ZeroBounce Pricing Plans (2026) — From Official Website
ZeroBounce uses a credit-based pricing system. You can buy credits Pay-As-You-Go (no subscription) or via a monthly/annual subscription. Every account also includes a free tier.
Free Account — $0/month
Create a free account and get ongoing free access with no time limit.
What you get:
100 free email verifications per month (with business/premium domain email)
Access to 18 validation tools
Multiple API Keys
Inbox Placement Test (basic)
Email Server Test
IP Address Geo Location
DMARC Monitor (basic)
Blacklist Monitor (basic)
24/7 customer support
No credit card required
Pay-As-You-Go Credits
Buy credits upfront with no subscription or monthly commitment. Credits never expire — they stay in your account indefinitely until used.
Credits | Price | Price Per Credit |
2,000 | $20 | $0.010 |
5,000 | $39 | $0.0078 |
10,000 | $70 | $0.007 |
25,000 | $150 | $0.006 |
50,000 | $260 | $0.0052 |
100,000 | $400 | $0.004 |
250,000 | $850 | $0.0034 |
500,000 | $1,500 | $0.003 |
1,000,000 | $2,700 | $0.0027 |
Notes:
Minimum purchase: 2,000 credits ($20)
Unknown results are free — you are not charged for emails ZeroBounce cannot definitively classify
Credits work across Email Validation, AI Scoring, and Email Finder (Email Finder uses 20 credits per successful query)
With 10% coupon (WELCOME10): 2,000 credits for $18 | 100,000 credits for $360
ZeroBounce ONE™ Subscription — $99/month (or $79/month billed annually)
Launched in September 2025, ZeroBounce ONE™ is an all-inclusive monthly subscription that bundles email validation credits with the complete deliverability toolkit at a 55% lower price than ZeroBounce’s previous subscription structure.
Starting plan ($99/month or $79/month annual):
25,000 monthly email validation credits (roll over — unused credits carry to next month indefinitely)
10,000 Email Finder credits per month
Complete ZeroBounce Deliverability Toolkit (see features below)
Credits never expire even if you cancel
Cancel anytime
Higher tiers scale to 50,000, 100,000, 250,000, 500,000, and 1,000,000 credits per month with proportionally higher pricing.
Annual savings: $99/mo → $79/mo ($240/year saved, ~20% discount)
Enterprise — Custom Pricing
For organizations validating 1,000,000+ emails per month. Contact ZeroBounce sales at sales@zerobounce.net.
Includes everything in ZeroBounce ONE™, plus:
Custom credit allocation
Dedicated account management
Professional onboarding and training
Custom API integrations
Priority processing and support SLA
Pricing Summary Table
Option | Price | Credits | Best For |
Free | $0 | 100/month | Testing or very small lists |
Pay-As-You-Go | From $20 | From 2,000 (never expire) | Occasional list cleaning, flexible budget |
ZeroBounce ONE™ Monthly | $99/mo | 25,000/mo (rollover) | Regular email marketers needing toolkit too |
ZeroBounce ONE™ Annual | $79/mo ($948/yr) | 25,000/mo (rollover) | Best long-term value for consistent senders |
Enterprise | Custom | Custom | High-volume senders 1M+ emails/month |
ZeroBounce Features — Full Breakdown
Email Validation
Feature | What It Does | Available On |
Email Validation (Bulk) | Upload a CSV or TXT list — ZeroBounce validates every address and returns results with status codes | All accounts |
Real-Time API Validation | Validate emails at the point of capture (signup forms, CRMs, checkout) — prevents bad data from entering your list | All accounts |
99.6% Accuracy Guarantee | Money-back guarantee if validation accuracy falls below 99.6% on standard results | All paid plans |
18 Validation Status Codes | Detailed classification beyond valid/invalid — includes Abuse, SpamTrap, Catch-All, Disposable, DoNotMail, and more | All accounts |
Unknown Results Are Free | If ZeroBounce cannot definitively classify an email, you are not charged any credits | All accounts |
IP Address Geo Location | Returns the location of the IP address used when an email was collected | All accounts |
Credits Never Expire | All purchased credits remain in your account indefinitely — no time pressure | All accounts |
Email Activity Data
Feature | What It Does | Available On |
Email Activity Data | Shows when each email address was last active (last open or click) — helps you prioritize engaged subscribers | All paid plans |
Engagement Scoring | Rates each email by predicted engagement level so you can segment campaigns by activity | ZeroBounce ONE™ |
AI Email Scoring
Feature | What It Does | Available On |
AI Email Scoring | Machine learning-powered quality score for each email address — predicts deliverability and engagement potential | All paid plans |
1 Credit Per Score | Same credit cost as email validation — affordable at any volume | All paid plans |
Email Finder
Feature | What It Does | Available On |
Email Finder | Discovers and verifies valid email addresses for specific people at specific companies | All paid plans |
20 Credits Per Query | Each successful Email Finder lookup costs 20 credits | All paid plans |
10,000 Finder Credits/Month | Included with ZeroBounce ONE™ subscriptions | ZeroBounce ONE™ |
ZeroBounce Deliverability Toolkit (Included in ZeroBounce ONE™)
Feature | What It Does |
DMARC Monitor | Tracks your DMARC policy implementation and alerts you if unauthorized senders are using your domain for phishing |
Blacklist Monitor | Regularly checks whether your sending domain or IP is listed on major spam blacklists — alerts you immediately if it is |
Inbox Placement Test | Sends a test email and reports which inbox folder (Primary, Promotions, Spam, or Blocked) it lands in across major email providers |
Email Testing Tools | Tests your email campaigns for spam triggers, broken links, image rendering, and configuration issues before you send |
Email Server Test | Diagnoses your email server configuration — checks SPF, DKIM, DMARC, MX records, and other technical settings |
Email Warmup | Gradually increases your sending volume with real inbox-to-inbox interactions to build sender reputation — protects new domains from spam filters |
Step-by-Step Guidance | After each diagnostic test, ZeroBounce provides actionable, step-by-step improvement instructions |
Platform Integrations
ZeroBounce integrates with 60+ platforms, including: Mailchimp, HubSpot, ActiveCampaign, Salesforce, Klaviyo, Zapier, Make (Integromat), WordPress, Shopify, Marketo, Pipedrive, Zoho CRM, Constant Contact, GetResponse, AWeber, ConvertKit, Brevo (formerly Sendinblue), and more. API available in 16 programming languages.
Security & Compliance
ZeroBounce holds the following certifications: SOC 2 Type II, ISO 27001, HIPAA-compliant, GDPR-compliant, CCPA-compliant, and EU-US Privacy Shield. All data is protected with Cloudflare Enterprise Security including WAF and DDoS protection.
Is ZeroBounce Worth It in 2026?
Yes — for any business that sends regular email campaigns. Here is the practical case:
Bounce rates above 2% hurt you. Email service providers (ESPs) flag senders with high bounce rates, which can result in your emails landing in spam folders or your sending account being suspended. ZeroBounce removes the invalid addresses before they bounce.
The ROI calculation is clear. If you send 50,000 emails per month and 10% are invalid (a common rate for list sizes that have not been cleaned recently), that is 5,000 wasted sends. At even $0.001 per send, that is $50/month in wasted ESP costs — more than the cost of ZeroBounce’s validation. Plus the avoided damage to sender reputation is worth significantly more.
ZeroBounce ONE™ at $99/month is exceptional value. It bundles validation credits, Email Finder, DMARC monitoring, blacklist monitoring, inbox placement testing, email warmup, and step-by-step deliverability guidance. Purchasing these tools separately from different vendors would cost $300+ per month.
Credits never expire — which makes buying in bulk with a coupon code an especially smart move. Stock up on Pay-As-You-Go credits during a bonus credit promotion and use them at your own pace.
ZeroBounce vs Competitors — Quick Comparison
Tool | Validation Accuracy | Credits Expire? | Deliverability Toolkit | Free Monthly Credits | SOC 2 Certified |
ZeroBounce | 99.6% | ❌ Never | ✅ Full toolkit | ✅ 100/mo | ✅ |
NeverBounce | ~99% | ❌ Never | Partial | ✅ 1,000 one-time | ❌ |
Mailfloss | ~98% | ❌ Never | Partial | ❌ | ❌ |
BriteVerify | ~97% | ✅ Expire | ❌ | ❌ | ❌ |
~97% | ❌ | Partial | ✅ 25/mo | ❌ |
ZeroBounce leads on accuracy, security certifications, and the breadth of its deliverability toolkit.
FAQs: ZeroBounce Coupon Codes (2026)
Do ZeroBounce credits expire?
Never. All credits — Pay-As-You-Go purchases, subscription credits, and even promotional bonus credits — stay in your account indefinitely.
Are unknown results charged?
No. ZeroBounce does not charge credits for emails it cannot classify with confidence. You only pay for validated results.
Can I use a coupon on a subscription?
Yes, coupon codes work on both Pay-As-You-Go credit purchases and ZeroBounce ONE™ subscriptions. The process is slightly different for each — see the step-by-step guide above.
Is there a money-back guarantee?
Yes. ZeroBounce offers a 99.6% accuracy money-back guarantee. If validated emails bounce at a higher rate than their accuracy promise, contact support for a refund.
What is ZeroBounce ONE™?
It is ZeroBounce’s all-inclusive subscription plan launched in September 2025 — it bundles monthly email validation credits with the complete deliverability toolkit (DMARC monitor, blacklist monitor, inbox placement testing, email warmup, and more) at 55% less than the previous subscription pricing.
How many credits does Email Finder use?
Email Finder uses 20 credits per successful query. ZeroBounce ONE™ subscribers also get a separate pool of 10,000 Email Finder credits per month.
Quick Links
Conclusion: ZeroBounce Coupon Codes (2026)
ZeroBounce is the most complete email validation and deliverability platform available — combining 99.6% accuracy, tools that never let your credits expire, and a full deliverability toolkit in one subscription. Use code WELCOME10 for 10% off any credit purchase, or check zerobounce.net/promo-codes for the current bonus credit promotion (20% extra credits). For regular senders, the ZeroBounce ONE™ annual plan at $79/month gives you everything you need to protect your sender reputation and maximize inbox placement — all year round.
Disclosure: Some of the links in this article may be affiliate links, which can provide compensation to me at no cost to you if you decide to purchase a paid plan. We review these products after doing a lot of research, we check all features and recommend the best products only.
