Company lists · Data refreshed November 2026

Top 25 Fintech api providers worldwide

RevenueBase identified 1,795 company matches for fintech api providers worldwide as of November 2026 and tracks 314,780 professional contacts across them, including 93,788 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for fintech api providers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for fintech api providers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
1,795Companies
314,780Contacts tracked
93,788Verified emails
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The 25 largest fintech api providers worldwide

Ranked by team size
Top 25 of 1,795 company matches for fintech api providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, United StatesHQ recorded Nov 5, 202610001+87,673 contacts →

Exact match

“At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchJacksonville, FL, United StatesHQ recorded Nov 5, 202610001+41,848 contacts →

Exact match

“Unlocking financial technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSouth San Francisco, United StatesHQ recorded Nov 5, 20265,001-10,00015,314 contacts →

Exact match

“Stripe builds programmable financial services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchChennai, IndiaHQ recorded Nov 5, 20265,001-10,0008,239 contacts →

Exact match

“Intellect Design Arena Ltd is a global leader in enterprise-grade financial technology, delivering composable and intelligent solutions to forward-looking financial institutions…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBrookfield, United StatesHQ recorded Nov 5, 202610001+7,309 contacts →

Exact match

“First Data is now Fiserv (NASDAQ:FISV).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMonett, MO, United StatesHQ recorded Nov 5, 20265,001-10,0007,100 contacts →

Exact match

“Jack Henry (Nasdaq: JKHY) is a well-rounded financial technology company that strengthens the connections between people and their financial institutions through technology and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchAmsterdam, NetherlandsHQ recorded Nov 5, 20261,001-5,0005,636 contacts →

Exact match

“Adyen (AMS: ADYEN) is the financial technology platform of choice for leading companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Nov 5, 20261,001-5,0004,648 contacts →

Exact match

“The world’s leading brands trust Verifone for global payments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 5, 20261,001-5,0003,385 contacts →

Exact match

“Payoneer is the financial technology company empowering the world’s small and medium-sized businesses to transact, do business, and grow globally.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Nov 5, 20261,001-5,0003,011 contacts →

Exact match

“Q2 is a financial experience company dedicated to providing digital banking and lending solutions to banks, credit unions, alternative finance, and fintech companies in the U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLeawood, KS, United StatesHQ recorded Nov 5, 202610001+2,963 contacts →

Exact match

“A global leader in payments processing and cross-border transactions, Euronet moves money in all the ways consumers and businesses depend upon.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchOxford House, Hong KongHQ recorded Nov 5, 20261,001-5,0002,808 contacts →

Exact match

“Airwallex is an AI native financial operating system for modern businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchPortsmouth, NH, United StatesHQ recorded Nov 5, 20261,001-5,0002,793 contacts →

Exact match

“At Bottomline, we help businesses pay and get paid.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchNew York, GA, United StatesHQ recorded Nov 5, 20261,001-5,0002,710 contacts →

Exact match

“It all started with an idea at Block in 2013.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMontréal, QC, CanadaHQ recorded Nov 5, 20261,001-5,0002,151 contacts →

Exact match

“Nuvei is building the infrastructure for every payment, everywhere.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBallerup, DenmarkHQ recorded Nov 5, 20261,001-5,0002,127 contacts →

Exact match

“Nexi has the scale, geographical reach, and capabilities to drive the evolution of digital payments across Europe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, United StatesHQ recorded Nov 5, 20261,001-5,0002,051 contacts →

Exact match

“Headquartered in San Francisco, California, Zeta was named by Celent in 2023 as being among the likeliest partners for US banks and credit unions looking to modernize to a…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 20261,001-5,0001,918 contacts →

Exact match

“Founded in 1987 to provide Information Technology services to the finance sector, Intertech has been operating within DenizBank Financial Services Group since 2002.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMandaluyong, PhilippinesHQ recorded Nov 5, 2026501-1,0001,889 contacts →

Exact match

“Maya is the all-in-one money platform that is bringing Filipinos bolder ways to master their money.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchRedwood City, CA, United StatesHQ recorded Nov 5, 20261,001-5,0001,851 contacts →

Exact match

“An award-winning global financial technology innovator powering credit, debit, prepaid, core banking, and money movement solutions, i2c unifies banking and payments in an…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, UT, United StatesHQ recorded Nov 5, 2026501-1,0001,836 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchScottsdale, CA, United StatesHQ recorded Nov 5, 20261,001-5,0001,731 contacts →

Exact match

“Early Warning Services, LLC, helps power payments innovation across the United States banking sector –enabling financial access, advancing reliable and fast payments for America’s…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBangkok, SingaporeHQ recorded Nov 5, 20261,001-5,0001,679 contacts →

Exact match

“Silverlake is a global leader in financial technology, providing enterprise solutions to over 370 customers across 80 countries with 100% successful project implementation for…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchChennai, IndiaHQ recorded Nov 5, 20261,001-5,0001,523 contacts →

Exact match

“Fintech happens here!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026501-1,0001,476 contacts →

Exact match

“MobiKwik is India's leading FinTech platform, offering a wide range of financial products for both consumers and merchants, including payments, digital credit, and investments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,795 fintech api providers worldwide

See the full list, filter by size, metro and specialty, and access 93,788 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fintech api providers worldwide at a glance

As of Nov 5, 2026
29.8%Verified-email coverage
175.4Average contacts per company
11-50Median size (employees)
6.0%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
466
11-50
752
51-200
368
201-500
100
501-1,000
42
1,001-5,000
42
5,001-10,000
11
10001+
12

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for fintech api providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “fintech api providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 93,788 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Fintech api providers by location

16 lists · largest first

Every Fintech api providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “fintech api providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fintech api providers are there worldwide?

RevenueBase identified 1,795 company matches for fintech api providers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

American Express tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most fintech api providers?

The United States leads with 303 companies, followed by India (201) and the United Kingdom (135). Every fintech api providers list by country and city is linked on this page.

Which city has the most fintech api providers?

London leads with 107 company records, followed by Sao Paulo (55) and Singapore (36).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 93,788 professional contacts with verified work emails tracked across these 1,795 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.