Company lists · Data refreshed November 2026
Top 25 Api development firms worldwide
RevenueBase identified 1,280 company matches for api development firms worldwide as of November 2026 and tracks 14,005 professional contacts across them, including 2,565 with verified work emails. India is the largest market and London the largest hub.
This list covers company matches for api development firms 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 development firms 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.
The 25 largest api development firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,512 contacts → | ||||
Exact match “Postman is the world’s leading API platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 685 contacts → | ||||
Exact match “Programmers Force has been established with an aim to facilitate your business needs with innovative and intelligent solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 638 contacts → | ||||
Exact match “Sensedia supports companies to become more digital, connected and open through a technology platform and expertise in APIs and Microservices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 187 contacts → | ||||
Exact match “Located in Luxembourg, France, Germany, Italy, Switzerland, Portugal, Costa Rica, Shanghaï and Hong Kong, Cap4 Lab helps customers unlock their potential in the development of new…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 140 contacts → | ||||
Exact match “O Clock Software (OCS) stands out as a distinguished offshore web development firm, renowned for its creative team of designers and developers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 124 contacts → | ||||
Exact match “About Appentus Technologies We Build Fluid Apps: Affordable & Rapid Web & Mobile App Design & Development Agency Engaging & Disrupting IT Industry by provisioning “most…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 122 contacts → | ||||
Exact match “Evozone Technolabs is a leading provider of comprehensive services, specializing in game development, web development, mobile app development, and API development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 117 contacts → | ||||
Exact match “Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 110 contacts → | ||||
Exact match “Codup is a growing software company with clients across 23 countries and has been in business for 10+ focuses on 3 key areas of Solutions: Our deep industry knowledge positions us…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 109 contacts → | ||||
Exact match “We are one of the better web design and development companies with locations in Miami, Las Vegas, and Kolkata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 94 contacts → | ||||
Exact match “A Digiage é uma empresa de tecnologia e inovação, especializada em co-criação estratégica, dedicada a aprimorar a excelência operacional de grandes empresas desde 2014.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 86 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 | |||||
| 13 | 82 contacts → | ||||
Exact match “OptiValueTek is a leading provider of Solutions for- Application & Process Integration - API Management - Data Engineering - Data Science/MLOps - DevOps & SRE - Cloud Solutions -…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 76 contacts → | ||||
Exact match “You have a roadmap under pressure, systems that need to talk to each other, or an AI initiative stuck in pilot mode.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 76 contacts → | ||||
Exact match “Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 68 contacts → | ||||
Exact match “Software is the driving force behind the rapid changes in how we live and work, and YTEC is proud to be part of this revolution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 66 contacts → | ||||
Exact match “At OsiyaTech, we stand at the forefront of the global IT landscape, championing the delivery of cutting-edge services and solutions across both established and emerging…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 60 contacts → | ||||
Exact match “Siamo un team di software engineer e designer che condividono la passione per le cose belle e che funzionano.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 60 contacts → | ||||
Exact match “Startup specialiced in APIs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 56 contacts → | ||||
Exact match “AIM is a specialized company providing a wide range of API management solutions and services to ensure optimal performance and security for businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 47 contacts → | ||||
Exact match “Established in 2015 by visionaries who dared to dream, AppStone Lab Technologies has swiftly risen to be a touchstone in transformative software solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 46 contacts → | ||||
Exact match “RESKOM is your trusted business partner in the areas of API-led integration, Enterprise Application Integration, Data Integration, and API Management, delivering seamless digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 43 contacts → | ||||
Exact match “Vijay Software, is a software development company based in Yorba Linda California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 40 contacts → | ||||
Exact match “Meisters Solutions is a software development and digital services company whose goal is to become part of the infrastructure of its clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Businesses today don't struggle because they lack technology; they struggle because critical operations are spread across disconnected systems, manual workflows, spreadsheets, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “api development firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,280 api development firms worldwide
See the full list, filter by size, metro and specialty, and access 2,565 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api development firms worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 development firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “api development firms” 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 2,565 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 development firms by location
8 lists · largest firstEvery Api development firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Api development firms based in India193
- Api development firms based in the United States184
- Api development firms based in Brazil65
- Api development firms based in the United Kingdom55
- Api development firms based in Canada34
- Api development firms based in Germany31
- Api development firms based in Australia30
- Api development firms based in France25
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 development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api development firms are there worldwide?
RevenueBase identified 1,280 company matches for api development firms 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?
Postman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most api development firms?
India leads with 193 companies, followed by the United States (184) and Brazil (65). Every api development firms list by country and city is linked on this page.
Which city has the most api development firms?
London leads with 23 company records, followed by Sao Paulo (18) and Surat (15).
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 2,565 professional contacts with verified work emails tracked across these 1,280 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.
Ready to reach these companies? Verified emails and direct dials for all 1,280 api development firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 api development firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,280 matching company records for api development firms worldwide, with 14,005 tracked contacts and 2,565 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 api development firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Postmanpostman.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 2,512 contacts → |
“Postman is the world’s leading API platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Programmers Forceprogrammersforce.comHQ: Lahore, PakistanReported employees: 1,001-5,000 | Lahore, Pakistan | 1,001-5,000 | Exact match | 685 contacts → |
“Programmers Force has been established with an aim to facilitate your business needs with innovative and intelligent solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sensediasensedia.comHQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 638 contacts → |
“Sensedia supports companies to become more digital, connected and open through a technology platform and expertise in APIs and Microservices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cap4 LABcap4lab.comHQ: Bertrange, LuxembourgReported employees: 201-500 | Bertrange, Luxembourg | 201-500 | Exact match | 187 contacts → |
“Located in Luxembourg, France, Germany, Italy, Switzerland, Portugal, Costa Rica, Shanghaï and Hong Kong, Cap4 Lab helps customers unlock their potential in the development of new…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  O Clock Software Private Limitedoclocksoftware.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 140 contacts → |
“O Clock Software (OCS) stands out as a distinguished offshore web development firm, renowned for its creative team of designers and developers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Appentus Technologiesappentus.comHQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 124 contacts → |
“About Appentus Technologies We Build Fluid Apps: Affordable & Rapid Web & Mobile App Design & Development Agency Engaging & Disrupting IT Industry by provisioning “most…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Evozone Technolabsevozonetechnolabs.comHQ: Jaipur, IndiaReported employees: 51-200 | Jaipur, India | 51-200 | Exact match | 122 contacts → |
“Evozone Technolabs is a leading provider of comprehensive services, specializing in game development, web development, mobile app development, and API development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Conexaconexa.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 117 contacts → |
“Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CODUPcodup.coHQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 110 contacts → |
“Codup is a growing software company with clients across 23 countries and has been in business for 10+ focuses on 3 key areas of Solutions: Our deep industry knowledge positions us…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Klizo Solutions PVT LTDklizos.comHQ: Action Iic, NV, IndiaReported employees: 51-200 | Action Iic, NV, India | 51-200 | Exact match | 109 contacts → |
“We are one of the better web design and development companies with locations in Miami, Las Vegas, and Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Digiagedigiage.com.brHQ: Campinas, BrazilReported employees: 51-200 | Campinas, Brazil | 51-200 | Exact match | 94 contacts → |
“A Digiage é uma empresa de tecnologia e inovação, especializada em co-criação estratégica, dedicada a aprimorar a excelência operacional de grandes empresas desde 2014.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Constacloud Private Limitedconstacloud.comHQ: Korba, IndiaReported employees: 51-200 | Korba, India | 51-200 | Exact match | 86 contacts → |
“Company Profile- General Introduction Of Company ConstaCloud Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Optivalue TEKoptivaluetek.comHQ: Bangalore, TX, IndiaReported employees: 201-500 | Bangalore, TX, India | 201-500 | Exact match | 82 contacts → |
“OptiValueTek is a leading provider of Solutions for- Application & Process Integration - API Management - Data Engineering - Data Science/MLOps - DevOps & SRE - Cloud Solutions -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ingage Partnersingagepartners.comHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 76 contacts → |
“You have a roadmap under pressure, systems that need to talk to each other, or an AI initiative stuck in pilot mode.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Integrellaintegrella.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  YTECytec.nlHQ: Groningen, NetherlandsReported employees: 11-50 | Groningen, Netherlands | 11-50 | Exact match | 68 contacts → |
“Software is the driving force behind the rapid changes in how we live and work, and YTEC is proud to be part of this revolution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Osiyatechosiyatech.comHQ: Indore, IndiaReported employees: 11-50 | Indore, India | 11-50 | Exact match | 66 contacts → |
“At OsiyaTech, we stand at the forefront of the global IT landscape, championing the delivery of cutting-edge services and solutions across both established and emerging…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ZUPITzupit.itHQ: Trento, ItalyReported employees: 11-50 | Trento, Italy | 11-50 | Exact match | 60 contacts → |
“Siamo un team di software engineer e designer che condividono la passione per le cose belle e che funzionano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cloudappi By Waimagroupcloudappi.netHQ: Getafe, MexicoReported employees: 51-200 | Getafe, Mexico | 51-200 | Exact match | 60 contacts → |
“Startup specialiced in APIs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  AIM INCiaim.caHQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 56 contacts → |
“AIM is a specialized company providing a wide range of API management solutions and services to ensure optimal performance and security for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Appstonelabappstonelab.comHQ: Carrollton, TX, United StatesReported employees: 11-50 | Carrollton, TX, United States | 11-50 | Exact match | 47 contacts → |
“Established in 2015 by visionaries who dared to dream, AppStone Lab Technologies has swiftly risen to be a touchstone in transformative software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Reskomreskom.techHQ: Newark, United StatesReported employees: 11-50 | Newark, United States | 11-50 | Exact match | 46 contacts → |
“RESKOM is your trusted business partner in the areas of API-led integration, Enterprise Application Integration, Data Integration, and API Management, delivering seamless digital…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vijay Softwarevijaysoftware.comHQ: Yorba Linda, TX, United StatesReported employees: 11-50 | Yorba Linda, TX, United States | 11-50 | Exact match | 43 contacts → |
“Vijay Software, is a software development company based in Yorba Linda California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Meisters Solutionsmeisters.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
“Meisters Solutions is a software development and digital services company whose goal is to become part of the infrastructure of its clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Whizcloudwhiz-cloud.comHQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 38 contacts → |
“Businesses today don't struggle because they lack technology; they struggle because critical operations are spread across disconnected systems, manual workflows, spreadsheets, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,280 company matches
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Api development firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,275 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,280 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Api development firms by location
8 lists · largest firstEvery Api development firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Api development firms based in India193
- Api development firms based in the United States184
- Api development firms based in Brazil65
- Api development firms based in the United Kingdom55
- Api development firms based in Canada34
- Api development firms based in Germany31
- Api development firms based in Australia30
- Api development firms based in France25
Questions about this company list
What does Exact match mean for api development firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many api development firms did RevenueBase find worldwide?
The saved snapshot records 1,280 matching company records, 14,005 tracked contacts and 2,565 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 api development firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/api-development-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 api development firms worldwide
RevenueBase records 1,280 matching company records for api development firms worldwide, with 14,005 tracked contacts and 2,565 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 api development firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Postmanpostman.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 2,512 contacts → |
“Postman is the world’s leading API platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Programmers Forceprogrammersforce.com HQ: Lahore, PakistanReported employees: 1,001-5,000 | Lahore, Pakistan | 1,001-5,000 | Exact match | 685 contacts → |
“Programmers Force has been established with an aim to facilitate your business needs with innovative and intelligent solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sensediasensedia.com HQ: Campinas, BrazilReported employees: 501-1,000 | Campinas, Brazil | 501-1,000 | Exact match | 638 contacts → |
“Sensedia supports companies to become more digital, connected and open through a technology platform and expertise in APIs and Microservices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cap4 LABcap4lab.com HQ: Bertrange, LuxembourgReported employees: 201-500 | Bertrange, Luxembourg | 201-500 | Exact match | 187 contacts → |
“Located in Luxembourg, France, Germany, Italy, Switzerland, Portugal, Costa Rica, Shanghaï and Hong Kong, Cap4 Lab helps customers unlock their potential in the development of new…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | O Clock Software Private Limitedoclocksoftware.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 140 contacts → |
“O Clock Software (OCS) stands out as a distinguished offshore web development firm, renowned for its creative team of designers and developers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Appentus Technologiesappentus.com HQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 124 contacts → |
“About Appentus Technologies We Build Fluid Apps: Affordable & Rapid Web & Mobile App Design & Development Agency Engaging & Disrupting IT Industry by provisioning “most…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Evozone Technolabsevozonetechnolabs.com HQ: Jaipur, IndiaReported employees: 51-200 | Jaipur, India | 51-200 | Exact match | 122 contacts → |
“Evozone Technolabs is a leading provider of comprehensive services, specializing in game development, web development, mobile app development, and API development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Conexaconexa.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 117 contacts → |
“Conexa is a Long-Term Tech Partner that develops custom solutions and integrations to boost products and revenue.+100 Clients (Fiserv, UBER, Klaviyo, Shopify, Klarna…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CODUPcodup.co HQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 110 contacts → |
“Codup is a growing software company with clients across 23 countries and has been in business for 10+ focuses on 3 key areas of Solutions: Our deep industry knowledge positions us…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Klizo Solutions PVT LTDklizos.com HQ: Action Iic, NV, IndiaReported employees: 51-200 | Action Iic, NV, India | 51-200 | Exact match | 109 contacts → |
“We are one of the better web design and development companies with locations in Miami, Las Vegas, and Kolkata.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Digiagedigiage.com.br HQ: Campinas, BrazilReported employees: 51-200 | Campinas, Brazil | 51-200 | Exact match | 94 contacts → |
“A Digiage é uma empresa de tecnologia e inovação, especializada em co-criação estratégica, dedicada a aprimorar a excelência operacional de grandes empresas desde 2014.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Constacloud Private Limitedconstacloud.com HQ: Korba, IndiaReported employees: 51-200 | Korba, India | 51-200 | Exact match | 86 contacts → |
“Company Profile- General Introduction Of Company ConstaCloud Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Optivalue TEKoptivaluetek.com HQ: Bangalore, TX, IndiaReported employees: 201-500 | Bangalore, TX, India | 201-500 | Exact match | 82 contacts → |
“OptiValueTek is a leading provider of Solutions for- Application & Process Integration - API Management - Data Engineering - Data Science/MLOps - DevOps & SRE - Cloud Solutions -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ingage Partnersingagepartners.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 76 contacts → |
“You have a roadmap under pressure, systems that need to talk to each other, or an AI initiative stuck in pilot mode.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Integrellaintegrella.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 76 contacts → |
“Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | YTECytec.nl HQ: Groningen, NetherlandsReported employees: 11-50 | Groningen, Netherlands | 11-50 | Exact match | 68 contacts → |
“Software is the driving force behind the rapid changes in how we live and work, and YTEC is proud to be part of this revolution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Osiyatechosiyatech.com HQ: Indore, IndiaReported employees: 11-50 | Indore, India | 11-50 | Exact match | 66 contacts → |
“At OsiyaTech, we stand at the forefront of the global IT landscape, championing the delivery of cutting-edge services and solutions across both established and emerging…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ZUPITzupit.it HQ: Trento, ItalyReported employees: 11-50 | Trento, Italy | 11-50 | Exact match | 60 contacts → |
“Siamo un team di software engineer e designer che condividono la passione per le cose belle e che funzionano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cloudappi By Waimagroupcloudappi.net HQ: Getafe, MexicoReported employees: 51-200 | Getafe, Mexico | 51-200 | Exact match | 60 contacts → |
“Startup specialiced in APIs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | AIM INCiaim.ca HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 56 contacts → |
“AIM is a specialized company providing a wide range of API management solutions and services to ensure optimal performance and security for businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Appstonelabappstonelab.com HQ: Carrollton, TX, United StatesReported employees: 11-50 | Carrollton, TX, United States | 11-50 | Exact match | 47 contacts → |
“Established in 2015 by visionaries who dared to dream, AppStone Lab Technologies has swiftly risen to be a touchstone in transformative software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Reskomreskom.tech HQ: Newark, United StatesReported employees: 11-50 | Newark, United States | 11-50 | Exact match | 46 contacts → |
“RESKOM is your trusted business partner in the areas of API-led integration, Enterprise Application Integration, Data Integration, and API Management, delivering seamless digital…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vijay Softwarevijaysoftware.com HQ: Yorba Linda, TX, United StatesReported employees: 11-50 | Yorba Linda, TX, United States | 11-50 | Exact match | 43 contacts → |
“Vijay Software, is a software development company based in Yorba Linda California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Meisters Solutionsmeisters.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
“Meisters Solutions is a software development and digital services company whose goal is to become part of the infrastructure of its clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Whizcloudwhiz-cloud.com HQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 38 contacts → |
“Businesses today don't struggle because they lack technology; they struggle because critical operations are spread across disconnected systems, manual workflows, spreadsheets, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Api development firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,275 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,280 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Api development firms by location
8 lists · largest firstEvery Api development firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Api development firms based in India193
- Api development firms based in the United States184
- Api development firms based in Brazil65
- Api development firms based in the United Kingdom55
- Api development firms based in Canada34
- Api development firms based in Germany31
- Api development firms based in Australia30
- Api development firms based in France25
Questions about this company list
What does Exact match mean for api development firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many api development firms did RevenueBase find worldwide?
The saved snapshot records 1,280 matching company records, 14,005 tracked contacts and 2,565 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 api development firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/api-development-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗