Unit21 provides fraud and aml operations for businesses worldwide. Unit21 is generally best suited to smb teams and buyers. Unit21 is founded in 2015 and headquartered in Global.
Integrations: Zapier|Salesforce|HubSpot|Slack|Shopify|Google
Support: Email|Live Chat|Documentation
Unit21 is one of 96 Fraud Detection tools we track and compare on this site. Our editors currently rate it 4.5 out of 5, versus a 4.3/5 average across the category. On balance, its strongest points are easy to integrate and strong analytics, while the main trade-off buyers report is premium features cost more. Its feature set centers on API Access, Analytics, Automation, among others.
Unit21 is rated 4.5/5 by our editors, above the 4.3/5 average across the 96 Fraud Detection tools we track. Pricing starts at Custom on a custom model, with a free trial available to test it first. It integrates with tools including Zapier|Salesforce|HubSpot|Slack|Shopify|Google. Support is offered via Email|Live Chat|Documentation.
If Unit21 isn't quite the right fit, these are the other Fraud Detection tools we rate highest:
Signifyd (rated 4.6/5) — Signifyd provides commerce fraud protection for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated slightly higher than Unit21 by our editors.
NoFraud (rated 4.5/5) — NoFraud provides ecommerce fraud prevention for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated the same as Unit21 by our editors.
Riskified (rated 4.6/5) — Riskified provides merchant fraud protection for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated slightly higher than Unit21 by our editors.
Forter (rated 4.5/5) — Forter provides digital identity fraud prevention for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated the same as Unit21 by our editors.
Kount (rated 4.4/5) — Kount provides fraud and identity solutions for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated slightly lower than Unit21 by our editors.
Sift (rated 4.5/5) — Sift provides digital trust and safety for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated the same as Unit21 by our editors.
ClearSale (rated 4.4/5) — ClearSale provides fraud protection for ecommerce for businesses worldwide. Priced from Custom, versus Custom for Unit21. Rated slightly lower than Unit21 by our editors.
FraudLab Pro (rated 4.3/5) — FraudLab Pro provides fraud screening api for businesses worldwide. Priced from $0/free, versus Custom for Unit21. Rated slightly lower than Unit21 by our editors.
MaxMind (rated 4.4/5) — MaxMind provides ip intelligence fraud prevention for businesses worldwide. Priced from $0/free, versus Custom for Unit21. Rated slightly lower than Unit21 by our editors.
IPQualityScore (rated 4.4/5) — IPQualityScore provides fraud scoring api for businesses worldwide. Priced from $0/free, versus Custom for Unit21. Rated slightly lower than Unit21 by our editors.
Does Unit21 offer a free tier?
Unit21 does not currently offer a permanent free tier. A free trial is available if you want to test it before committing.
How much does Unit21 cost?
Plans start at Custom on a custom pricing model.
What are Unit21's standout features?
The features our editors flag most: API Access, Analytics, Automation, Integrations.
What do people like about Unit21?
Reviewers most often point to: Easy to integrate; Strong analytics; Excellent support.
What are the downsides of Unit21?
The most commonly cited drawbacks are: Premium features cost more; Setup time required.
What's a good Unit21 alternative?
For most buyers we'd point first to Signifyd — see the full comparison above for how it stacks up on price and features.
Unit21 is worth considering if you're evaluating Fraud Detection tools as a smb buyer. It's one of the higher-rated options we track in this category, so it's a reasonable starting point for a shortlist.Read the pros and cons above, and check the alternatives if you want a wider comparison before deciding.
If you're comparing more than one option in this space, it helps to write down the two or three requirements that actually matter for your team before you start reading reviews, since pricing pages and marketing copy tend to make every tool sound like the right fit on paper. Ask each vendor directly about contract length, cancellation terms, and what happens to your data if you switch providers later, and weigh that alongside the feature comparison above rather than the headline price alone. It's also worth checking recent user discussions on forums or review sites for anything that's changed since a vendor last updated their own marketing pages, since pricing, limits, and supported integrations can shift between major updates. A short trial period, where one is offered, is usually the fastest way to confirm a tool actually fits your workflow before you commit to a longer contract. It's also fine to start with whichever tool has the best free trial or lowest-commitment plan, use it for real work for a week or two, and only then decide whether to negotiate a longer contract — that's usually a better test than anything a comparison page, including this one, can tell you in advance.
