Company lists · Data refreshed November 2026

Top 25 Api data service providers worldwide

RevenueBase identified 219 company matches for api data service providers worldwide as of November 2026 and tracks 2,619 professional contacts across them, including 820 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers company matches for api data service 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 6, 2026. Country and city lists for api data service 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 6, 2026 How this list was built
219Companies
2,619Contacts tracked
820Verified emails
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The 25 largest api data service providers worldwide

Ranked by team size
Top 25 of 219 company matches for api data service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,000849 contacts →

Exact match

“We firmly believe that the experiential world of tomorrow will be interconnected through APIs and Microservices, enabling seamless digital ecosystems and the transformation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200193 contacts →

Exact match

“UBIO can connect anything on the web, both websites and APIs, providing rich data and performing any interaction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLos Angeles, United StatesHQ recorded Nov 6, 202611-50107 contacts →

Exact match

“Paragon is the leading integration infrastructure platform for AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKorba, IndiaHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Company Profile- General Introduction Of Company ConstaCloud Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“Reachware is a leading integration platform in the region that allows systems and data to connect and flow seamlessly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Import.io unlocks a world of web data, delivering it directly to enterprises to fuel business insight and competitive advantage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTel-aviv, IsraelHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Vetric is the intelligence backbone for the organizations that keep the world safe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“External data is a special kind of hard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Pluga lets you do amazing integrations without writing a single line of code.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Toro makes accessible enterprise application integration software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchItajaí, BrazilHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Smartfastpay is a technology company focused on API-based solutions that connect people and businesses through smart, scalable, and secure integrations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“At ShuffleLabs, we pride ourselves on being your trusted partner for integration solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchUnited StatesHQ recorded Nov 6, 20261-1028 contacts →

Exact match

“Fiber helps developers build SaaS integrations faster.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSouthlake, TX, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“For the teams still importing and exporting data between systems, we take a people-first approach, dig into your unique processes, and build automated solutions so you can ditch…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchJind, IndiaHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Get one workflow off your team this quarter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRome, ItalyHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Openapi.com is the largest API marketplace in Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Apideck eliminates the complexity of integrations with a single real-time API that connects to 190+ platforms across CRM, Accounting, HRIS, File Storage, and eCommerce without the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLjubljana, SloveniaHQ recorded Nov 6, 20261-1021 contacts →

Exact match

“Neolab is a software company based in Ljubljana, Slovenia, specialized in development of business oriented information systems, API development, data synchronization and BI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“For years, Pipedream has been the go-to integration platform for developers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“iPaaS.com is an API-first integration platform that centralizes, standardizes, and activates data across your entire business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“FinanceKey is an AI-native, real-time treasury platform that helps finance teams manage cash, forecast cash flows, automate payments, and connect their banks with the rest of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“APILayer is a leading provider of cloud-based API and Software-as-a-Service (SaaS) brands for developers, startups as well as Fortune 500s.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Data is more available and more diverse than ever, but varied sources, inconsistent formats, and an evolving compliance landscape make it difficult to manage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“apiplatform.io is a trusted digital economy, API strategy & lifecycle partner advancing innovation & productivity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBangalore, IndiaHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Web Crawling & Data Processing Services: Extraction of publicly available Online Data Unstructured to Structured data conversion Making data available as an API/ JSON for end…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 219 api data service providers worldwide

See the full list, filter by size, metro and specialty, and access 820 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api data service providers worldwide at a glance

As of Nov 6, 2026
31.3%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
133
11-50
65
51-200
19
1,001-5,000
1
10001+
1

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 api data service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “api data service 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 820 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 6, 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.

Api data service providers by location

1 lists · largest first

Every Api data service providers 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 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 “api data service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api data service providers are there worldwide?

RevenueBase identified 219 company matches for api data service 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?

Binary Semantics LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most api data service providers?

The United States leads with 60 companies. Every api data service providers list by country and city is linked on this page.

Which city has the most api data service providers?

San Francisco leads with 10 company records, followed by London (5) and New York (5).

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 820 professional contacts with verified work emails tracked across these 219 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 6, 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.