DeBounce

1. 1

   You upload a CSV or TXT file, connect an email service provider such as Mailchimp or HubSpot, call the API, or drop the JavaScript widget into a form. A multi-layer engine runs syntax, domain, MX, disposable, role, spam-trap, and mailbox-level checks and returns a status alongside attributes including free provider, role account, disposable, accept-all, syntax error, spamtrap, SMTP provider, and MX record.

2. 2

   Standard validation costs one credit per address, and duplicates are removed free of charge. Accept-all domains can be pushed through the separate Catch-all Validator, which analyses server responses and mailbox behaviour across multiple verification layers and costs ten credits per address, so you choose deliberately which segment is worth the deeper check.

3. 3

   Results download as a cleaned list you can push back to the connected provider. For continuous hygiene, Email List Monitoring re-validates connected lists every day and syncs the result back to your sender, priced at twice your list size in credits per month.

4. 4

   Two adjacent products draw on the same balance: Lead Finder generates and validates address permutations from a first name, last name, and company domain, and Data Enrichment performs reverse email lookup for names and other public details at twenty credits per successful detection, so unsuccessful lookups cost nothing.

Prepaid credits only, on a published volume ladder with no expiry, no contracts, and no setup fees. Different operations consume different numbers of credits.

Value assessment: For consumer and mixed lists, DeBounce is close to the best value in the category: $135 to clean 100,000 addresses against $400 at Bouncer and $649 at ZeroBounce, with every feature included at every volume and a guarantee documented down to the arithmetic. The picture changes on B2B data. At ten credits per catch-all validation, a list that is 30 percent accept-all costs roughly $0.0045 per address at the 100,000 rung once you verify that segment properly, which lands it above BounceBan and well above MillionVerifier, both of which handle catch-alls inside a standard credit. Work out your accept-all share first; it decides whether DeBounce is the cheapest option you have or a false economy.

Setup time

Ten minutes. Sign up, take the 100 free credits, upload a file or connect an ESP. The WordPress plugin and JavaScript widget are each a short install, and the API needs only a key.

Learning curve

Low for standard use, with one thing worth learning properly: the credit weighting. Because catch-all validation costs ten credits, enrichment twenty, and monitoring twice your list size monthly, budgeting requires knowing the shape of your list rather than just its size.

Onboarding

Entirely self-serve up to five million credits with no contracts, no setup fees, and no sales contact. Above five million you contact support. Every feature is available from the smallest purchase upward.

Migration notes

Nothing transfers between verification vendors, so the switch is operational rather than technical. Two adjustments matter on arrival. First, run a standard pass before deciding what to send through the ten-credit catch-all validator, because doing it in the other order is expensive. Second, read the guarantee exclusions before assuming coverage: lists heavy in Yahoo, AOL, GMX, WEB.de, or the named French and American consumer domains are explicitly outside the promise, and knowing that up front is more useful than discovering it in a claim.

Platforms

Web applicationREST APIJavaScript validation widgetWordPress pluginESP and CRM integrationsZapier

API

Cloud-based validation API described as compatible with all programming languages, available on every purchase with no separate access charge beyond per-verification credits. A live status page and a public changelog are published.

Compliance

GDPR page and data retention policy published; no SOC 2 or ISO certification advertised

Data residency

Not published.

SSO

Not offered.

Security notes

DeBounce publishes a GDPR page, a data retention policy, a terms of use, and a live status monitor, and states that addresses entered into the public single-address checker are not stored or reused. There is no SOC 2 report, ISO certificate, trust centre, or penetration test summary, so formal vendor security review will require direct contact.

Channels

EmailContact formHelp centreCommunity server

Documentation

Platform documentation and API docs, a help centre, a glossary, a published changelog, and a service status monitor.

Community

A community server is linked from the site, alongside an affiliate programme and a blog.

Founded

2018

Headquarters

Pune, India

Ownership

Privately held; no outside funding disclosed

Employees

Small team, reported as fewer than ten

Funding

No venture or private equity funding is disclosed.

DeBounce is a cheap verifier that behaves like an expensive one in the way that matters most: it tells you exactly what it promises, exactly what it pays if it misses, and exactly which addresses it will handle badly. The published ladder down to roughly $0.00044 per check, every feature available at every volume, non-expiring credits, a WordPress plugin, a real-time widget, daily list monitoring, and forty-plus payment methods make it an obvious candidate for small businesses cleaning consumer or mixed lists. The catch, and it is a specific one, is the ten-credit catch-all validation, which flips the economics on B2B data and pushes serious accept-all work toward MillionVerifier or BounceBan. Check your accept-all share, read the named exclusions, and if neither disqualifies you, this is one of the best-value purchases in the category.

Written by the SaaSTracker editorial team. Awards, when shown, are judged against the published criteria in our methodology.