Company lists · Data refreshed September 2026

Top 25 Api development for financial services worldwide

RevenueBase identified 67 api development for financial services worldwide as of September 2026 and tracks 3,467 professional contacts across them, including 1,912 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers api development for financial services worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026. Country and city lists for api development for financial services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
67Companies
3,467Contacts tracked
1,912Verified emails
0Mobile numbers
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The 25 largest api development for financial services worldwide

Ranked by team size
Top 25 of 67 api development for financial services worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to api development for financial services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 16, 2026501-1,0001,410 contacts →

Partial evidence

“Plaid is a data network that powers the tools millions of people rely on to live a healthier financial life.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceNew York, NY, United StatesHQ checked Sep 16, 2026201-500339 contacts →

Partial evidence

“DriveWealth is a global B2B financial technology platform.”

Source: RevenueBase Database · checked Sep 16, 2026
3Partial evidenceSan Mateo, CA, United StatesHQ checked Sep 16, 2026201-500300 contacts →

Partial evidence

“Alpaca is a US-headquartered, self-clearing broker-dealer and a global leader in brokerage infrastructure APIs providing access to stocks, ETFs, options, fixed income, and crypto.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceJacksonville, FL, United StatesHQ checked Sep 16, 202651-200190 contacts →

Partial evidence

“Finxact is the first enterprise-class 100 percent open API cloud-native innovation platform and transaction processing engine, agnostic to asset classes, currencies, and time…”

Source: RevenueBase Database · checked Sep 16, 2026
5Strong evidenceLondon, United KingdomHQ checked Sep 16, 202651-200122 contacts →

Strong evidence

“Embed bank accounts, payments, and all kinds of financial products quickly via our simple API.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceBoston, MA, United StatesHQ checked Sep 16, 202651-200116 contacts →

Partial evidence

“At BNT SOFT, we build the digital backbone of tomorrow’s banking and financial systems.”

Source: RevenueBase Database · checked Sep 16, 2026
7Indirect evidenceBoston, MA, United StatesHQ checked Sep 16, 202651-20098 contacts →

Indirect evidence

“Open finance is your most underutilized asset.”

Source: RevenueBase Database · checked Sep 16, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 16, 2026201-50068 contacts →

Partial evidence

“At FINkit we transform the way the global financial services industry gets their ideas into production and used by their customers.”

Source: RevenueBase Database · checked Sep 16, 2026
9Strong evidenceLondon, United KingdomHQ checked Sep 16, 202651-20066 contacts →

Strong evidence

“Ozone API is the leading standards based platform that handles the complexity of open banking, making it easy for any financial institution to meet both regulatory and commercial…”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceSummerlin, NV, United StatesHQ checked Sep 16, 202651-20053 contacts →

Strong evidence

“Prime Trust provides financial infrastructure APIs that allow fintech and digital asset companies to innovate quickly, securely, and reliably.”

Source: RevenueBase Database · checked Sep 16, 2026
11Partial evidencePortland, OR, United StatesHQ checked Sep 16, 202651-20052 contacts →

Partial evidence

“Sila is the leading ACH API for fintech developers.”

Source: RevenueBase Database · checked Sep 16, 2026
12Partial evidenceSalt Lake City, UT, United StatesHQ checked Sep 16, 202611-5042 contacts →

Partial evidence

“Financial Data Exchange (FDX) is championing the movement towards the future of open finance by unifying the financial industry around a common standard for the secure and…”

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 16, 202611-5037 contacts →

Partial evidence

“Launch and scale digital investment products with our flexible, all-in-one API.”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 16, 202611-5034 contacts →

Indirect evidence

“Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code.”

Source: RevenueBase Database · checked Sep 16, 2026
15Strong evidenceTulsa, OK, United StatesHQ checked Sep 16, 202651-20034 contacts →

Strong evidence

“ENACOMM is a FinTech provider of an open API digital gateway that supports open banking and enables financial services companies to innovate by overcoming the complexities of…”

Source: RevenueBase Database · checked Sep 16, 2026
16Partial evidenceNew York City, NY, United StatesHQ checked Sep 16, 202611-5034 contacts →

Partial evidence

“Rutter powers financial use cases like Supplier Enablement, Bank Feeds, Bill Pay, and Underwriting for Fortune 500 companies and financial institutions.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceFort Lauderdale, FL, United StatesHQ checked Sep 16, 202611-5029 contacts →

Indirect evidence

“For over a decade, Moven has been changing the way people view and manage their money.”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceJersey City, NJ, United StatesHQ checked Sep 16, 202651-20026 contacts →

Indirect evidence

“QUODD acquired Xignite in early 2023.”

Source: RevenueBase Database · checked Sep 16, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 16, 202611-5020 contacts →

Partial evidence

“Teller is the API for bank accounts.”

Source: RevenueBase Database · checked Sep 16, 2026
20Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 16, 202651-20018 contacts →

Strong evidence

“In order to port over the next billion people into a secure and open financial system, you’re going to need a network of applications that connect to the fiat world… Wyre’s APIs…”

Source: RevenueBase Database · checked Sep 16, 2026
21Partial evidenceNY, United StatesHQ checked Sep 16, 202611-5017 contacts →

Partial evidence

“Moon Technologies is dedicated to delivering secure and empowering technology for financial solutions for businesses that increase financial access.”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceSt. Petersburg, FL, United StatesHQ checked Sep 16, 202611-5015 contacts →

Partial evidence

“Intrinio is a financial data company on a mission to power fintech innovation by providing high-quality data to developers and engineers from fintech companies, large…”

Source: RevenueBase Database · checked Sep 16, 2026
23Partial evidenceLondon, United KingdomHQ checked Sep 16, 202611-5013 contacts →

Partial evidence

“Transforming financial futures.”

Source: RevenueBase Database · checked Sep 16, 2026
24Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 16, 202611-5013 contacts →

Partial evidence

“Dapi is a an open-source real-time banking API powered by AI agents.”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceDallas, TX, United StatesHQ checked Sep 16, 202611-5011 contacts →

Indirect evidence

“Unleash the next generation of fintech builders to realize the full promise of open banking.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 67 api development for financial services worldwide

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Api development for financial services worldwide at a glance

As of Sep 16, 2026
55.1%Verified-email coverage
51.7Average contacts per company
11-50Median size (employees)
34.3%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
23
51-200
14
201-500
4
501-1,000
2

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among api development for financial services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
2 countries, largest first: the United States, the United Kingdom. Country and city lists for api development for financial services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “api development for financial services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names api development for financial services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among api development for financial services, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 1,912 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Api development for financial services by location

2 lists · largest first

Every Api development for financial services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names api development for financial services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many api development for financial services are there worldwide?

RevenueBase identified 67 api development for financial services worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

PLAID, headquartered in San Francisco, tops this list with the largest team on record.

Which country has the most api development for financial services?

The United States leads with 39 companies, followed by the United Kingdom (28). Every api development for financial services list by country and city is linked on this page.

Which city has the most api development for financial services?

London leads with 23 headquartered companies, followed by New York (6) and San Francisco (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,912 verified decision-maker contacts tracked across these 67 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.