Email verification service with best free tier quota and accuracy
Free tier monthly quota + accuracy reputation
| # | Item | Score | Reasoning | Access |
|---|---|---|---|---|
| 1 | QuickEmailVerification | 100.0 | 3,000/month free, API + bulk | |
| 2 | EmailListVerify | 85.0 | 100/month free, good accuracy, proven in pipeline | |
| 3 | Abstract API | 70.0 | 100/month free, needs activation | |
| 4 | ZeroBounce | 20.0 | 5 credits total, reserve only |
Weekly question: Any new email verification services launched? Quota changes at existing providers?
The methodology (free tier quota + accuracy reputation) is still sound, but the ranking is outdated: QuickEmailVerification now offers a 3,000/month free tier, outperforming EmailListVerify's 100/month free quota and thus should be the top pick.
The ranking continues to rely on free tier monthly quota and accuracy reputation, and there is no indication of new services or quota changes that would alter the relative standing of the listed providers.
The current top pick (EmailListVerify) offers only 100 free verifications per month, while QuickEmailVerification provides 3,000/month free with comparable accuracy, indicating the ranking may not fully reflect the free‑tier quota criterion. No new services are reported, but the existing quota disparity suggests the methodology needs review to ensure the best free quota is prioritized.
The ranking continues to align with the stated criterion: services with larger free monthly quotas receive higher scores, while those with limited quotas or activation hurdles score lower. No evidence of new entrants or quota changes has been provided that would disrupt this relationship.
The ranking still reflects the core criterion of free tier monthly quota combined with accuracy reputation, as the top entries (QuickEmailVerification, EmailListVerify) maintain the highest quotas and strong accuracy signals. No new services or quota changes have been reported that would alter this ordering.
(non-JSON response from nvidia/nemotron-3-super-120b-a12b:free): We need to decide if methodology still sound. The methodology: free tier monthly quota + accuracy reputation. The current pick is EmailListVerify. The top rankings show QuickEmailVerification with 300
The ranking still relies on free tier monthly quota and accuracy reputation, and there is no evidence of new entrants or quota adjustments that would invalidate this criterion. Therefore, the methodology remains sound for evaluating the best free email verification API.
All models failed — review manually
The methodology continues to rely on free tier monthly quota and accuracy reputation, which are still relevant factors for evaluating free email verification APIs. No evidence suggests that new services or quota changes have fundamentally undermined these criteria, though the rankings may need updating to reflect current offerings.
The ranking still reflects the core criterion of free tier monthly quota combined with accuracy reputation, as evidenced by QuickEmailVerification's large free quota giving it the top score. No information indicates new services or quota changes that would disrupt this ordering.