Smart Credit System
GTMAPIs uses a smart credit system that only charges for high-value personal emails. Role-based, catch-all, and invalid emails are completely free.How Credits Work
1 Credit
Valid personal emailHigh B2B outbound value
0 Credits
Everything elseRole-based, catch-all, invalid, unknown
What Gets Charged?
Charged (1 Credit) ✅
Only emails that meet ALL these criteria:- ✅ Passes syntax validation
- ✅ Domain has MX records
- ✅ Mailbox verified via SMTP
- ✅ NOT role-based (info@, support@, etc.)
- ✅ NOT catch-all domain
- ✅ Has
b2b_outbound_quality: "high"
Free (0 Credits) 🆓
Everything else is completely FREE:Role-Based Emails
Catch-All Domains
Invalid Emails
Unknown Verification
Real-World Example
Uploaded CSV: 1,000 emails| Category | Count | Credits | Cost @ $0.001/credit |
|---|---|---|---|
| Personal emails (high quality) | 350 | 350 | $0.35 |
| Role-based (info@, support@) | 250 | 0 | $0.00 |
| Catch-all domains | 200 | 0 | $0.00 |
| Invalid emails | 150 | 0 | $0.00 |
| Unknown/unverifiable | 50 | 0 | $0.00 |
| Total | 1,000 | 350 | $0.35 |
Credit Balance Tracking
Your dashboard shows:Credit Purchase Tiers
Pricing coming soon! Currently in beta with free credits for early users.
| Tier | Credits | Price | Per Credit |
|---|---|---|---|
| Starter | 10,000 | $10 | $0.001 |
| Growth | 100,000 | $80 | $0.0008 |
| Pro | 500,000 | $350 | $0.0007 |
| Enterprise | Custom | Custom | Negotiable |
Credit Deduction Flow
Deduction Timing
Credits are deducted AFTER successful validation:- ✅ Upload CSV
- ✅ Check sufficient balance (estimate: all emails)
- ✅ Perform validation
- ✅ Count high-quality emails
- ✅ Deduct only charged emails
- ✅ Return results
Insufficient Credits
If you don’t have enough credits:- Reduce batch size
- Purchase more credits
- Process in multiple batches
Test vs Live Mode
| Mode | API Key Format | Credits |
|---|---|---|
| Test | gtm_test_* | Unlimited (not charged) |
| Live | gtm_live_* | Deducted from balance |
Credit Audit Trail
Every validation is tracked incredit_transactions:
Free Provider Emails
Question: Do you charge for Gmail/Yahoo/Outlook emails? Answer: Yes, if they’re personal and valid.API Response Fields
Every validation includes credit information:Best Practices
Optimize Credit Usage
- Deduplicate first - Remove duplicates before uploading
- Filter obvious invalids - Basic syntax checks locally
- Batch processing - Upload all at once for efficiency
- Use test mode - Develop with test keys first
Monitor Credit Usage
- Check dashboard regularly - Track balance and consumption
- Set up alerts - Get notified at low balance
- Review transactions - Audit credit deductions
- Analyze quality distribution - Understand your list quality
Maximize ROI
- Focus on high-quality - Prioritize charged emails in campaigns
- Track conversion rates - Measure ROI per quality tier
- Improve list sources - Buy from quality sources
- Clean regularly - Keep lists fresh