Company lists · Data refreshed September 2026

Top 25 Telecom api and integration platforms worldwide

Name: Telecom api and integration platforms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 1,275 companies tracked

RevenueBase identified 1,275 telecom api and integration platforms worldwide as of September 2026 and tracks 41,103 professional contacts across them, including 14,727 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers telecom api and integration platforms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for telecom api and integration platforms follow the table.

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

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

1,275Companies

41,103Contacts tracked

14,727Verified emails

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The 25 largest telecom api and integration platforms worldwide

Ranked by team size

Top 25 of 1,275 telecom api and integration platforms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to telecom api and integration platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Ringcentral	Partial evidence	Belmont, CA, United StatesHQ checked Sep 29, 2026	5,001-10,000	6,431 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
2	Vonage	Indirect evidence	Holmdel, NJ, United StatesHQ checked Sep 29, 2026	1,001-5,000	3,429 contacts →
	Indirect evidence “We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.” Source: RevenueBase Database · checked Sep 29, 2026
3	Bandwidth INC	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,128 contacts →
	Partial evidence “Bandwidth is the universal communications platform that simplifies how businesses deliver integrated global experiences.” Source: RevenueBase Database · checked Sep 29, 2026
4	Binary Semantics LTD	Partial evidence	Gurgaon, IndiaHQ checked Sep 29, 2026	1,001-5,000	790 contacts →
	Partial evidence “We firmly believe that the experiential world of tomorrow will be interconnected through APIs and Microservices, enabling seamless digital ecosystems and the transformation of…” Source: RevenueBase Database · checked Sep 29, 2026
5	Tanla Platforms Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 29, 2026	1,001-5,000	700 contacts →
	Partial evidence “Through Tanla Platforms Limited's cloud communications technology, over global enterprises deliver billions of critical customer interactions daily – from vital banking alerts to…” Source: RevenueBase Database · checked Sep 29, 2026
6	Route Mobile Limited	Indirect evidence	Mumbai, IndiaHQ checked Sep 29, 2026	501-1,000	611 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
7	Alianza	Indirect evidence	Pleasant Grove, UT, United StatesHQ checked Sep 29, 2026	501-1,000	606 contacts →
	Indirect evidence “Empowering service provider growth with the world’s most trusted Intelligent Communications Fabric.” Source: RevenueBase Database · checked Sep 29, 2026
8	AGORA	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 29, 2026	501-1,000	516 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
9	Monty Mobile	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	501-1,000	514 contacts →
	Partial evidence “For nearly three decades, Monty Mobile has been at the forefront of global telecom innovation, partnering with mobile operators, enterprises, hyperscalers, and financial…” Source: RevenueBase Database · checked Sep 29, 2026
10	C3ntro Telecom	Partial evidence	Miguel Hidalgo, MexicoHQ checked Sep 29, 2026	501-1,000	507 contacts →
	Partial evidence “Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.” Source: RevenueBase Database · checked Sep 29, 2026
11	Link Mobility	Indirect evidence	Oslo, NorwayHQ checked Sep 29, 2026	501-1,000	499 contacts →
	Indirect evidence “LINK Mobility Group AS is a CPaaS provider headquarted in Oslo, Norway.” Source: RevenueBase Database · checked Sep 29, 2026
12	Symphony	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	201-500	490 contacts →
	Partial evidence “Symphony is an AI-powered communication and technology company fueled by interconnected platforms: Messaging, Voice, Directory and Analytics.” Source: RevenueBase Database · checked Sep 29, 2026
13	Knowlarity	Indirect evidence	SingaporeHQ checked Sep 29, 2026	201-500	429 contacts →
	Indirect evidence “Knowlarity is the largest provider of cloud based communications solutions to businesses in Southeast Asia and Middle Eastern markets.” Source: RevenueBase Database · checked Sep 29, 2026
14	Telavox	Indirect evidence	Malmö, SwedenHQ checked Sep 29, 2026	201-500	364 contacts →
	Indirect evidence “We are a mobile operator only for businesses, specializing in simplifying and innovating telephony.” Source: RevenueBase Database · checked Sep 29, 2026
15	Reve Systems	Partial evidence	SingaporeHQ checked Sep 29, 2026	201-500	344 contacts →
	Partial evidence “Founded in 2003, today REVE Systems is a global software solutions provider leading in Class 4 & Class 5 Softswitch, Voice, Video & Messaging App, SMS Platform, Cloud Contact…” Source: RevenueBase Database · checked Sep 29, 2026
16	Nfon AG	Indirect evidence	Munich, GermanyHQ checked Sep 29, 2026	201-500	331 contacts →
	Indirect evidence “Welcome to NFON’s Corporate Channel.” Source: RevenueBase Database · checked Sep 29, 2026
17	Inteliquent, A Sinch Company	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 29, 2026	501-1,000	327 contacts →
	Indirect evidence “We've moved pages.” Source: RevenueBase Database · checked Sep 29, 2026
18	Symbio	Indirect evidence	Sydney, AustraliaHQ checked Sep 29, 2026	201-500	310 contacts →
	Indirect evidence “Symbio is a software company changing the way the world communicates.” Source: RevenueBase Database · checked Sep 29, 2026
19	Sendbird	Indirect evidence	San Mateo, CA, United StatesHQ checked Sep 29, 2026	201-500	297 contacts →
	Indirect evidence “Sendbird is the AI customer experience company.” Source: RevenueBase Database · checked Sep 29, 2026
20	Ultatel	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 29, 2026	51-200	285 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
21	Smartping	Partial evidence	Gurugram, IndiaHQ checked Sep 29, 2026	201-500	271 contacts →
	Partial evidence “Established in 2015, Smartping is a leading enterprise and telecommunications service provider, revolutionizing how pan-India businesses connect and engage with their audiences…” Source: RevenueBase Database · checked Sep 29, 2026
22	Nimbus Adcom Private Limited	Indirect evidence	Noida, IndiaHQ checked Sep 29, 2026	501-1,000	265 contacts →
	Indirect evidence “19 Years.” Source: RevenueBase Database · checked Sep 29, 2026
23	Broadsoft	Indirect evidence	Gaithersburg, MD, United StatesHQ checked Sep 29, 2026	1,001-5,000	252 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026
24	Onextel	Partial evidence	Noida, IndiaHQ checked Sep 29, 2026	201-500	248 contacts →
	Partial evidence “Onextel Limited is a leading business communications solutions platform that enables brands to build connected customer experiences, with a core focus on integrated…” Source: RevenueBase Database · checked Sep 29, 2026
25	MY Country Mobile	Partial evidence	SingaporeHQ checked Sep 29, 2026	201-500	242 contacts →
	Partial evidence “At My Country Mobile, we're on a mission to revolutionize telecom operations and help businesses unlock their full potential.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom api and integration platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecom api and integration platforms.
Partial evidence: Its own public description names part of telecom api and integration platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom api and integration platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,275 telecom api and integration platforms worldwide

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Telecom api and integration platforms worldwide at a glance

As of Sep 29, 2026

35.8%Verified-email coverage

32.2Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · Singapore

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

357

11-50

572

51-200

223

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

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

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for telecom api and integration platforms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecom api and integration platforms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom api and integration platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among telecom api and integration platforms, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 14,727 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Telecom api and integration platforms by location

9 lists · largest first

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

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

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

How many telecom api and integration platforms are there worldwide?

RevenueBase identified 1,275 telecom api and integration platforms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Ringcentral, headquartered in Belmont, tops this list with the largest team on record.

Which country has the most telecom api and integration platforms?

The United States leads with 221 companies, followed by India (182) and the United Kingdom (89). Every telecom api and integration platforms list by country and city is linked on this page.

Which city has the most telecom api and integration platforms?

Singapore leads with 44 headquartered companies, followed by London (40) and Noida (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,727 verified decision-maker contacts tracked across these 1,275 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

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