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Technologies / Checkout.com / Sift

Companies using Checkout.com and Sift

3 companies in our data have public evidence for both Checkout.com and Sift, and 2 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

3companies use both
43%of Checkout.com users
33%of Sift users
2name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyCheckout.comSift
FastSpringfastspring.comFastSpring provides an all-in-one payments, subscriptions, and tax compliance platform for selling digital products online.E-commercePayments
MoonPaymoonpay.comMoonPay lets individuals buy, sell, and trade crypto using cards, Apple Pay, Google Pay, bank transfers, and wires.Crypto and blockchainFintech
Upholduphold.comUphold is a platform for trading, earning, borrowing, staking and spending across cryptocurrencies, stocks, ETFs, precious metals and currencies.Crypto and blockchainFintech

The two technologies

Checkout.com

Payments

Checkout.com is a payments company whose products let businesses accept, process, and move payments globally. Its offerings include payment APIs, fraud detection, acquiring, issuing, and payouts.

Summarized from checkout.com on 8 Nov 2026.

43% of the 7 companies we see using Checkout.com also show the other.

All 7 companies using Checkout.com5 name it as a subprocessorMore in Payments

Sift

Security and identity

Sift is a digital trust and fraud detection platform that uses real-time risk decisions to evaluate transactions and user activity. It is used to help businesses detect and stop payment fraud, account takeover, and fake account creation.

Summarized from sift.com on 8 Nov 2026.

33% of the 9 companies we see using Sift also show the other.

All 9 companies using Sift6 name it as a subprocessorMore in Security and identity

Industries

Among the companies above, by our own classification of their homepage.

Crypto and blockchain2Fintech2

Other pairs

Companies with their own evidence for both.

More with Checkout.com

Cloudflare7companiesAmazon Web Services5companiesGoogle Workspace5companies

More with Sift

Cloudflare9companiesGoogle Workspace8companiesAmazon Web Services7companiesGoogle Tag Manager6companiesGoogle Analytics5companiesHubSpot5companies

Questions

How many companies use both Checkout.com and Sift?

3 companies in StrataDB's data have public evidence for both, and 2 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Checkout.com and Sift?

FastSpring, MoonPay and Uphold. Each one links to the evidence behind it.

How does StrataDB know a company uses Checkout.com and Sift?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Checkout.com and Sift

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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