Companies Using Plaid

I'm the CTO at TechnologyChecker.io and I look after our detection rules, so with a payments technology I start with one question: what does a match prove? As of our September 2026 crawl we detect Plaid on 3,835 domains, and 2,498 of them resolve to an organisation we can describe. Plaid says more than 9,000 apps and services are built on it. That gap is the first thing to understand here.

Three signals, three meanings

The only part of Plaid a website visitor ever sees is Plaid Link, the window where you pick your bank and sign in. We match Plaid three ways: a script loaded from plaid.com, the Plaid object that the Link script creates, and a Plaid entry in the Content-Security-Policy header, which lists the outside scripts a page is allowed to run. The first two mean Link is on the page. The third only means someone gave it permission. Our post on technology detection methods covers header signals like this one.

So we split the 3,891 domains where Plaid is live today by what we saw. 1,973 (50.7%) ran Plaid Link. 1,042 (26.8%) land on X or Airbnb, whose security policies list Plaid's Link script: most are vanity domains forwarding to X profiles, 159 of them on hosts named twitter. or x., plus Airbnb's own country sites. The remaining 876 (22.5%) showed no sign of Link running, and most of the ones we fetched list Plaid in their security policy. They are mostly bank and credit-union sites and account-opening portals.

Sales Signal: Treat the 1,973 as confirmed Plaid integrations and the 876 as intent: a bank that allowlists Plaid on an apply. or open. page has at least planned for it in onboarding. Ignore the X and Airbnb rows.

Growth trajectory: a coverage curve

The chart climbs from 2,158 domains in June 2026 to 3,835 in September. The domains we crawl turn over every month, with dead sites dropping out and newly found ones added, and our detection signals widened in the same months; 30% of today's live Plaid domains were first seen in August or September. Churn is small and noisy: 288 domains have dropped a detection since March 2026, and 47.1% of those had been seen only once.

"Half of Plaid's web footprint is Plaid Link running on the page. The rest is security policies that mention it, and more than a quarter of the total is X and Airbnb. That split matters more than any trend line." - David Thomson, CTO at TechnologyChecker.io

Sales Signal: Don't time outreach off this curve. Plaid's growth happens inside apps, and no website crawl can chart it.

Customer profile: platforms and application portals

Much of the Plaid Link we see was put there by a platform, not chosen site by site. About 400 domains are synagogue websites on ShulCloud, whose help pages tell members to enable Plaid to pay dues and donations by ACH. Fraternity and sorority member portals fill 11 of the 50 named organisations, and donation pages are everywhere: across all live Plaid domains, 169 of the 187 give. and donate. hosts load Link. Classy, a fundraising platform, is detected on 171 Plaid domains.

Banks look different. Their detections sit on application hosts, and there the signal is usually the security policy: only 16 of 77 apply. hosts loaded Link on the page we crawled. TD Bank (homelending.td.com), U.S. Bank (mortgageapply.usbank.com) and Truist (getstarted.truist.com) are detected the same way, through the security policy. Size splits the same way: 49.85% of matched organisations have 1 to 10 employees, yet 44 have more than 1,000. Two of the named companies, Coinbase and Ramp, also appear in Plaid's own published customer stories.

Sales Signal: Selling to congregations, chapters or charities means selling to the platform (ShulCloud, the member-portal vendor, the donation tool). For banks, an apply. host that allowlists Plaid points at a digital-onboarding team.

Industry and geographic concentration

Banking (15.87%) and Financial Services (12.55%) together reach 28.42% of matched organisations. Religious Institutions is third at 9.62%, mostly ShulCloud congregations, and Non-profit Organizations fourth at 7.35%. Without the X and Airbnb domains the shape sharpens: Banking rises to 19.5%, Financial Services to 14.82% and Religious Institutions to 11.76%.

On the web this is an American product. 1,879 matched organisations are in the United States, against 97 in the United Kingdom and 76 in Canada, and part of that small foreign tail is X and Airbnb: the UK falls to 63 once they are removed.

Sales Signal: Outside North America, a Plaid detection is rare enough to be a lead in itself. Inside it, filter by Banking and by apply. or open. hosts to find institutions building digital account opening.

Rivals we can't see, and a complement we can

Plaid's real competitors are other bank-data aggregators: MX, Finicity (owned by Mastercard), Yodlee and Stripe's Financial Connections. We can't match any of them on websites yet, so there is no switching to measure. The checkout tools in our Payment Processing chart aren't substitutes either, and Plaid isn't a card processor like Braintree or Square. What we can see is the complement: Stripe runs on 1,521 of the 2,849 Plaid sites outside X and Airbnb, which is what you'd expect when one company handles cards and the other connects bank accounts.

"A checkout button is no substitute for Plaid. The switch that matters is between aggregators, and it happens in code behind a login, where a crawler can't watch it." - David Thomson, CTO at TechnologyChecker.io

Sales Signal: These organisations already run cards and bank connections side by side, which is an opening for any tool that combines the two.

Technology ecosystem

On the 2,849 sites outside X and Airbnb, Sentry runs on 24.43%, Datadog on 7.27% and Azure Monitor on 7.13%, the monitoring you'd expect around logged-in account flows. Pendo (15.65%) and Usercentrics (14.71%) look like choices but are mostly ShulCloud's shared stack. Very Good Security, which stores card and bank details on a customer's behalf, appears on 126 sites and Transcend on 175. Duo Security (1.19%) and 1Password (1.09%) are thin.

Sales Signal: The 126 Very Good Security sites handle raw account data themselves, which makes them buyers for compliance and data-security tooling.

G2 review signals

Plaid's G2 base is small, so read it as direction rather than a score. Reviewers praise ease of use most often (10 mentions) and secure connections next (6). The complaints are about reach: access limitations (4), limited bank connectivity (3) and connections dropping (3). Our crawl can't measure coverage. It does show banks themselves, TD Bank, U.S. Bank and Truist among them, allowlisting Plaid on their own application portals, which is the demand side of the same network.

Sales Signal: For a Plaid customer the pain is connections that fail, so lead with connection success rates.

Key takeaways

1. Headline: 3,835 domains, 24th in Payment Processing with 0.05%.

2. What it proves: 1,973 of the 3,891 live domains run Plaid Link; 1,042 land on X or Airbnb; 876 only list Plaid in their security policy.

3. Who chose it: platforms (ShulCloud's roughly 400 congregations, member portals, donation tools) more often than individual sites.

4. Floor, not census: Plaid says more than 9,000 apps and services run on it; most of that sits inside apps we can't crawl.

Sales applications

Outreach angle: "Your application site allowlists Plaid Link" is a specific, checkable opener for a bank or credit union's digital team.

Targeting: On TechnologyChecker.io, filter Plaid users by Banking or Financial Services and by more than 200 employees, then check the detection host for apply., open. or mortgage prefixes.

Competitive angle: Plaid's G2 complaints are about banks it can't reach, so an aggregator with different coverage can pitch itself as the fallback rather than the replacement.

All counts here are from TechnologyChecker.io's live crawl as of September 2026, refreshed monthly: 3,835 Plaid domains, 2,498 of them matched to company records.