The NeverBounce Alternative Whose Credits Never Expire

For most teams that clean lists on their own schedule, yes. Verifox credits never expire, catch-all addresses come back with a 0-100 confidence score, and a native MCP server covers AI agents. NeverBounce stays the better fit at extreme multi-million volume. Test both on the free email checker before deciding.

As of June 2026, yes: NeverBounce credits lapse 12 months after purchase, a policy introduced in 2024, and one public account describes it reaching balances bought earlier, so confirm against their current terms. Verifox credits never expire, no subscription required. Live regional numbers are on the pricing page.

Verifox measures 99.99% accuracyon its own 1,000-address labeled benchmark; NeverBounce publishes over 98% accuracy plus a separate 3% bounce money-back guarantee. Treat every vendor's number, ours included, as self-reported. The fairest test is your own list through the email verification engine, counting bounces yourself.

NeverBounce detects accept-all domains and returns its catchall result code, but the send-or-suppress decision stays with you. Verifox returns a 0-100 AI confidence score on every catch-all, so you set a threshold, send the high scorers, and suppress the rest. Try one on the catch-all email checker.

Not by itself. The guarantee is a refund policy, not a different verification result, and public reviews describe disputes over what qualifies for a payout. Verifox does not market a guarantee; it publishes its 9-point verification method and gives you up to 2,500 free credits to verify the results on your own list first.

Both. A REST email verification API handles real-time and bulk jobs at about 380ms median and 10,000 verifications per minute, and the native email verification MCP server gives Claude, Cursor, and custom agents 19 email tools with one config block. NeverBounce publishes no MCP server as of June 2026.

NeverBounce sells pay-as-you-go credits from about $8 per 1,000 at entry, tapering to roughly $1 per 1,000 near 10 million, as of June 2026, and those credits expire after 12 months. Verifox is geo-localized pay-as-you-go with no expiry, so check live numbers for your region on the pricing page.

Export your list from NeverBounce as a CSV, upload it to the bulk email verifier or point your API calls at Verifox, then translate the five NeverBounce result codes with the mapping table above. There is no contract to cancel, and most teams finish the cutover in an afternoon.

Verifox stores nothing: every address is processed in memory and discarded when verification completes, with SOC 2 Type II, GDPR, and CCPA coverage documented on the email verification page. NeverBounce is owned by ZoomInfo, the B2B contact-data company; we make no claim about its data handling beyond that public fact.

NeverBounce's own pages list conflicting free-credit figures as of June 2026, so we will not print a number for them. Verifox grants 1,000 credits on signup, or 2,500 with a work email, as a one-time lump, and you can run a few checks with no account on the free email validator.

Two things, honestly: the cheapest published top-tier pricing in the category, roughly $1 per 1,000 near 10 million verifications as of June 2026, and NeverBounce Sync, which re-cleans connected lists automatically on a schedule. If either describes your workload, NeverBounce earns the pick; the comparison table above marks both wins.