Company lists · Data refreshed November 2026
Top 25 Api communication providers worldwide
RevenueBase identified 651 company matches for api communication providers worldwide as of November 2026 and tracks 35,553 professional contacts across them, including 12,633 with verified work emails. The United States is the largest market and Mumbai the largest hub.
This list covers company matches for api communication 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 communication 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.
The 25 largest api communication providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,795 contacts → | ||||
Exact match “RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 3,738 contacts → | ||||
Exact match “Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 3,696 contacts → | ||||
Exact match “We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,483 contacts → | ||||
Exact match “WhatsApp is a fast, simple and reliable way to talk to anyone in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,199 contacts → | ||||
Exact match “Bandwidth is the universal communications platform that simplifies how businesses deliver integrated global experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 674 contacts → | ||||
Exact match “Through Tanla Platforms Limited's cloud communications technology, over global enterprises deliver billions of critical customer interactions daily – from vital banking alerts to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 636 contacts → | ||||
Exact match “Route Mobile began as an idea in 2004, founded by our Managing Director, Mr Rajdip Gupta – to bring about digital disruption in communication with simplified solutions that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 555 contacts → | ||||
Exact match “Agora (NASDAQ: API) is the global leader in real-time engagement, providing developers with simple, flexible, and powerful APIs to embed real-time conversational AI, voice, video…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 527 contacts → | ||||
Exact match “LINK Mobility Group AS is a CPaaS provider headquarted in Oslo, Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 433 contacts → | ||||
Exact match “Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 423 contacts → | ||||
Exact match “We've moved!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 326 contacts → | ||||
Exact match “We've moved pages.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 310 contacts → | ||||
Exact match “Sendbird is the AI customer experience company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 281 contacts → | ||||
Exact match “Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 278 contacts → | ||||
Exact match “A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 266 contacts → | ||||
Exact match “We solve a critical gap businesses face with employee to client communication, over voice and messaging.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 258 contacts → | ||||
Exact match “Since 2002, CallTower has been at the forefront of transforming global communication, emerging as a leader in enterprise-class cloud communication, collaboration, and CX solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 257 contacts → | ||||
Exact match “Sarv : Revolutionising Customer Experience We believe communication is the backbone of every successful business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 253 contacts → | ||||
Exact match “BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 243 contacts → | ||||
Exact match “At Acefone, we make interactions simple, powerful, and customer focused.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 241 contacts → | ||||
Exact match “Stream helps apps build real-time experiences that scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 231 contacts → | ||||
Exact match “Mitto is a leading provider of global, omnichannel communications solutions, supporting business growth with advanced customer engagement technology and messaging enablement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 231 contacts → | ||||
Exact match “MMDSmart is a leading provider of enterprise cloud-based communication solutions, helping organizations engage customers across the entire customer lifecycle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 212 contacts → | ||||
Exact match “Communication is the backbone of every business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 208 contacts → | ||||
Exact match “Voximplant versatile cloud platform enables business to bring interaction to a different level.” 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 communication providers”. 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 651 api communication providers worldwide
See the full list, filter by size, metro and specialty, and access 12,633 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api communication providers 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 communication providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “api communication 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 12,633 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 communication providers by location
3 lists · largest firstEvery Api communication 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 communication providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api communication providers are there worldwide?
RevenueBase identified 651 company matches for api communication 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?
Ringcentral tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most api communication providers?
The United States leads with 140 companies, followed by India (115) and the United Kingdom (37). Every api communication providers list by country and city is linked on this page.
Which city has the most api communication providers?
Mumbai leads with 17 company records, followed by Singapore (17) and Bangalore (16).
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 12,633 professional contacts with verified work emails tracked across these 651 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 651 api communication providers 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 communication providers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 651 matching company records for api communication providers worldwide, with 35,553 tracked contacts and 12,633 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 communication providers 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 | HQ: Belmont, United StatesReported employees: 5,001-10,000 | Belmont, United States | 5,001-10,000 | Exact match | 6,795 contacts → |
“RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Kanata, ON, CanadaReported employees: 1,001-5,000 | Kanata, ON, Canada | 1,001-5,000 | Exact match | 3,738 contacts → |
“Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Holmdel, NJ, United StatesReported employees: 1,001-5,000 | Holmdel, NJ, United States | 1,001-5,000 | Exact match | 3,696 contacts → |
“We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Menlo Park, CA, United StatesReported employees: Not recorded | Menlo Park, CA, United States | Not recorded | Exact match | 2,483 contacts → |
“WhatsApp is a fast, simple and reliable way to talk to anyone in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Raleigh, United StatesReported employees: 1,001-5,000 | Raleigh, United States | 1,001-5,000 | Exact match | 1,199 contacts → |
“Bandwidth is the universal communications platform that simplifies how businesses deliver integrated global experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 674 contacts → |
“Through Tanla Platforms Limited's cloud communications technology, over global enterprises deliver billions of critical customer interactions daily – from vital banking alerts to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 636 contacts → |
“Route Mobile began as an idea in 2004, founded by our Managing Director, Mr Rajdip Gupta – to bring about digital disruption in communication with simplified solutions that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 555 contacts → |
“Agora (NASDAQ: API) is the global leader in real-time engagement, providing developers with simple, flexible, and powerful APIs to embed real-time conversational AI, voice, video…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 527 contacts → |
“LINK Mobility Group AS is a CPaaS provider headquarted in Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 423 contacts → |
“We've moved!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 326 contacts → |
“We've moved pages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Mateo, CA, United StatesReported employees: 201-500 | San Mateo, CA, United States | 201-500 | Exact match | 310 contacts → |
“Sendbird is the AI customer experience company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 281 contacts → |
“Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Parsippany, NJ, United StatesReported employees: 201-500 | Parsippany, NJ, United States | 201-500 | Exact match | 278 contacts → |
“A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Alpharetta, GA, United StatesReported employees: 51-200 | Alpharetta, GA, United States | 51-200 | Exact match | 266 contacts → |
“We solve a critical gap businesses face with employee to client communication, over voice and messaging.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: South Jordan, UT, United StatesReported employees: 201-500 | South Jordan, UT, United States | 201-500 | Exact match | 258 contacts → |
“Since 2002, CallTower has been at the forefront of transforming global communication, emerging as a leader in enterprise-class cloud communication, collaboration, and CX solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 257 contacts → |
“Sarv : Revolutionising Customer Experience We believe communication is the backbone of every successful business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 253 contacts → |
“BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 243 contacts → |
“At Acefone, we make interactions simple, powerful, and customer focused.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Boulder, CO, United StatesReported employees: 51-200 | Boulder, CO, United States | 51-200 | Exact match | 241 contacts → |
“Stream helps apps build real-time experiences that scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Zurich, SwitzerlandReported employees: 201-500 | Zurich, Switzerland | 201-500 | Exact match | 231 contacts → |
“Mitto is a leading provider of global, omnichannel communications solutions, supporting business growth with advanced customer engagement technology and messaging enablement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Petah Tikva, IsraelReported employees: 201-500 | Petah Tikva, Israel | 201-500 | Exact match | 231 contacts → |
“MMDSmart is a leading provider of enterprise cloud-based communication solutions, helping organizations engage customers across the entire customer lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: South Plainfield, NJ, United StatesReported employees: 201-500 | South Plainfield, NJ, United States | 201-500 | Exact match | 212 contacts → |
“Communication is the backbone of every business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 208 contacts → |
“Voximplant versatile cloud platform enables business to bring interaction to a different level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 651 company matches
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Api communication providers: 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
646 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 651 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 communication providers by location
3 lists · largest firstEvery Api communication providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for api communication providers?
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 communication providers did RevenueBase find worldwide?
The saved snapshot records 651 matching company records, 35,553 tracked contacts and 12,633 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 communication providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/api-communication-providers.
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 communication providers worldwide
RevenueBase records 651 matching company records for api communication providers worldwide, with 35,553 tracked contacts and 12,633 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 communication providers 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 | HQ: Belmont, United StatesReported employees: 5,001-10,000 | Belmont, United States | 5,001-10,000 | Exact match | 6,795 contacts → |
“RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Kanata, ON, CanadaReported employees: 1,001-5,000 | Kanata, ON, Canada | 1,001-5,000 | Exact match | 3,738 contacts → |
“Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Holmdel, NJ, United StatesReported employees: 1,001-5,000 | Holmdel, NJ, United States | 1,001-5,000 | Exact match | 3,696 contacts → |
“We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Menlo Park, CA, United StatesReported employees: Not recorded | Menlo Park, CA, United States | Not recorded | Exact match | 2,483 contacts → |
“WhatsApp is a fast, simple and reliable way to talk to anyone in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Raleigh, United StatesReported employees: 1,001-5,000 | Raleigh, United States | 1,001-5,000 | Exact match | 1,199 contacts → |
“Bandwidth is the universal communications platform that simplifies how businesses deliver integrated global experiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Hyderabad, IndiaReported employees: 1,001-5,000 | Hyderabad, India | 1,001-5,000 | Exact match | 674 contacts → |
“Through Tanla Platforms Limited's cloud communications technology, over global enterprises deliver billions of critical customer interactions daily – from vital banking alerts to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 636 contacts → |
“Route Mobile began as an idea in 2004, founded by our Managing Director, Mr Rajdip Gupta – to bring about digital disruption in communication with simplified solutions that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Santa Clara, CA, United StatesReported employees: 501-1,000 | Santa Clara, CA, United States | 501-1,000 | Exact match | 555 contacts → |
“Agora (NASDAQ: API) is the global leader in real-time engagement, providing developers with simple, flexible, and powerful APIs to embed real-time conversational AI, voice, video…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 527 contacts → |
“LINK Mobility Group AS is a CPaaS provider headquarted in Oslo, Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 423 contacts → |
“We've moved!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 326 contacts → |
“We've moved pages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Mateo, CA, United StatesReported employees: 201-500 | San Mateo, CA, United States | 201-500 | Exact match | 310 contacts → |
“Sendbird is the AI customer experience company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Herndon, VA, United StatesReported employees: 51-200 | Herndon, VA, United States | 51-200 | Exact match | 281 contacts → |
“Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Parsippany, NJ, United StatesReported employees: 201-500 | Parsippany, NJ, United States | 201-500 | Exact match | 278 contacts → |
“A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Alpharetta, GA, United StatesReported employees: 51-200 | Alpharetta, GA, United States | 51-200 | Exact match | 266 contacts → |
“We solve a critical gap businesses face with employee to client communication, over voice and messaging.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: South Jordan, UT, United StatesReported employees: 201-500 | South Jordan, UT, United States | 201-500 | Exact match | 258 contacts → |
“Since 2002, CallTower has been at the forefront of transforming global communication, emerging as a leader in enterprise-class cloud communication, collaboration, and CX solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Jaipur, IndiaReported employees: 501-1,000 | Jaipur, India | 501-1,000 | Exact match | 257 contacts → |
“Sarv : Revolutionising Customer Experience We believe communication is the backbone of every successful business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 253 contacts → |
“BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 243 contacts → |
“At Acefone, we make interactions simple, powerful, and customer focused.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Boulder, CO, United StatesReported employees: 51-200 | Boulder, CO, United States | 51-200 | Exact match | 241 contacts → |
“Stream helps apps build real-time experiences that scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Zurich, SwitzerlandReported employees: 201-500 | Zurich, Switzerland | 201-500 | Exact match | 231 contacts → |
“Mitto is a leading provider of global, omnichannel communications solutions, supporting business growth with advanced customer engagement technology and messaging enablement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Petah Tikva, IsraelReported employees: 201-500 | Petah Tikva, Israel | 201-500 | Exact match | 231 contacts → |
“MMDSmart is a leading provider of enterprise cloud-based communication solutions, helping organizations engage customers across the entire customer lifecycle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: South Plainfield, NJ, United StatesReported employees: 201-500 | South Plainfield, NJ, United States | 201-500 | Exact match | 212 contacts → |
“Communication is the backbone of every business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 208 contacts → |
“Voximplant versatile cloud platform enables business to bring interaction to a different level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 651 company matches
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Api communication providers: 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
646 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 651 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.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 communication providers by location
3 lists · largest firstEvery Api communication providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for api communication providers?
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 communication providers did RevenueBase find worldwide?
The saved snapshot records 651 matching company records, 35,553 tracked contacts and 12,633 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 communication providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/api-communication-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗