Company lists · Data refreshed November 2026
Top 22 Api testing service providers based in the United States
RevenueBase identified 176 company matches for api testing service providers associated with the United States as of November 2026 and tracks 6,510 professional contacts across them, including 1,160 with verified work emails. New York is the largest hub.
This list covers company matches for api testing service providers associated with the United States, 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.
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 22 largest api testing service providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,463 contacts → | ||||
Exact match “Applause is the global leader in managed software testing services and digital quality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 437 contacts → | ||||
Exact match “We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 419 contacts → | ||||
Exact match “For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 250 contacts → | ||||
Exact match “ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 199 contacts → | ||||
Exact match “Kualitatem empowers businesses to deliver quality software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 123 contacts → | ||||
Exact match “Welcome to ImpactQA – Where Excellence Meets Innovation in Software Testing and QA Consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 121 contacts → | ||||
Exact match “RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 115 contacts → | ||||
Exact match “Automate your e2e tests without the time-consuming drudgery of test maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 97 contacts → | ||||
Exact match “Founded in and located in metro Denver, Colorado, iBeta Quality Assurance specializes in “QA on Demand” for software: functionality, compatibility, security, load/performance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 91 contacts → | ||||
Exact match “Since 1988, TrustedQA’s mission has been to help our customers build and deliver quality software more efficiently, effectively, and securely.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 91 contacts → | ||||
Exact match “Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 85 contacts → | ||||
Exact match “PLUS QA makes software testing simple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 81 contacts → | ||||
Exact match “Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 77 contacts → | ||||
Exact match “Sofy is an end-to-end agentic testing platform built for modern software teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 41 contacts → | ||||
Exact match “Best in class QA services with years of award winning experienced staff.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 36 contacts → | ||||
Exact match “Quality Tech Lab is a leading context-driven company offering a comprehensive range of cost-effective software development and testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 36 contacts → | ||||
Exact match “AI agents don’t just generate responses anymore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Software Testing Services Provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 25 contacts → | ||||
Exact match “Better Code Through Automation 3Qi Labs launched in 2010 with a simple goal: Help enterprise application development and QA teams use test automation effectively.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 23 contacts → | ||||
Exact match “PrimeQA Solutions is a software testing and QA services company based in San Francisco, helping startups, product companies, and growing businesses build software that performs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match “tap|QA is one of the fastest growing consulting firms in the country, as well as one of the largest firms focused solely on QA, Test Automation, DevOps, and Business Analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “APIContext provides outside-in application testing that replicates how your users access your apps.” 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 testing service 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 22 of 176 api testing service providers based in the United States
See the full list, filter by size, metro and specialty, and access 1,160 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api testing service providers based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 176 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “api testing service providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,160 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.
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 testing service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api testing service providers are there based in the United States?
RevenueBase identified 176 company matches for api testing service providers associated with the United States 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?
Applause tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most api testing service providers?
New York leads with 8 company records, followed by San Francisco (8) and Los Angeles (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,160 professional contacts with verified work emails tracked across these 176 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 176 api testing service providers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Api testing service providers by geography
- Api testing service providers based in Bangalore, India
- Api testing service providers based in Pune, India
- Api testing service providers based in Canada
- Api testing service providers based in France
- Api testing service providers based in Germany
- Api testing service providers based in India
- Api testing service providers based in the Netherlands
- Api testing service providers based in the United Kingdom
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
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- Lists A-Z
- New lists
- Api testing service providers based in Bangalore, India
- Api testing service providers based in Pune, India
- Api testing service providers based in Canada
- Api testing service providers based in France
- Api testing service providers based in Germany
- Api testing service providers based in India
Company intelligence · public preview
Top 22 api testing service providers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 176 matching company records for api testing service providers based in the United States, with 6,510 tracked contacts and 1,160 verified work emails.
This public preview shows 22 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 22 api testing service providers based in the United States
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 |  Applauseapplause.comHQ: Framingham, MA, United StatesReported employees: 201-500 | Framingham, MA, United States | 201-500 | Exact match | 1,463 contacts → |
“Applause is the global leader in managed software testing services and digital quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Logigear Corporationlogigear.comHQ: San Mateo, CA, United StatesReported employees: 501-1,000 | San Mateo, CA, United States | 501-1,000 | Exact match | 437 contacts → |
“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Astegicastegic.comHQ: Falls Church, VA, United StatesReported employees: 51-200 | Falls Church, VA, United States | 51-200 | Exact match | 419 contacts → |
“For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Accelqaccelq.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 250 contacts → |
“ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kualitatem INCkualitatem.comHQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 199 contacts → |
“Kualitatem empowers businesses to deliver quality software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Impactqaimpactqa.comHQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 123 contacts → |
“Welcome to ImpactQA – Where Excellence Meets Innovation in Software Testing and QA Consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  RTTSrttsweb.comHQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 121 contacts → |
“RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rainforest QArainforestqa.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 115 contacts → |
“Automate your e2e tests without the time-consuming drudgery of test maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ibeta Quality Assuranceibeta.comHQ: Aurora, CO, United StatesReported employees: 51-200 | Aurora, CO, United States | 51-200 | Exact match | 97 contacts → |
“Founded in and located in metro Denver, Colorado, iBeta Quality Assurance specializes in “QA on Demand” for software: functionality, compatibility, security, load/performance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Trustedqa, INCtrustedqa.comHQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 91 contacts → |
“Since 1988, TrustedQA’s mission has been to help our customers build and deliver quality software more efficiently, effectively, and securely.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Verifaya Corporationverifaya.comHQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 91 contacts → |
“Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Plus QAplusqa.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 85 contacts → |
“PLUS QA makes software testing simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Shasta QAshastaqa.comHQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 81 contacts → |
“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  SOFYsofy.aiHQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 77 contacts → |
“Sofy is an end-to-end agentic testing platform built for modern software teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Foxhole QAfoxholeqa.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 41 contacts → |
“Best in class QA services with years of award winning experienced staff.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Quality Tech LABqt-lab.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 36 contacts → |
“Quality Tech Lab is a leading context-driven company offering a comprehensive range of cost-effective software development and testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Botgauge AIbotgauge.comHQ: Dover, DE, United StatesReported employees: 11-50 | Dover, DE, United States | 11-50 | Exact match | 36 contacts → |
“AI agents don’t just generate responses anymore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Betasoft INCbetasoft.comHQ: Campbell, CA, United StatesReported employees: 51-200 | Campbell, CA, United States | 51-200 | Exact match | 30 contacts → |
“Software Testing Services Provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  3qi Labs3qilabs.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 25 contacts → |
“Better Code Through Automation 3Qi Labs launched in 2010 with a simple goal: Help enterprise application development and QA teams use test automation effectively.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Primeqa Solutionsprimeqasolutions.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 23 contacts → |
“PrimeQA Solutions is a software testing and QA services company based in San Francisco, helping startups, product companies, and growing businesses build software that performs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  TAPQAtapqa.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 22 contacts → |
“tap|QA is one of the fastest growing consulting firms in the country, as well as one of the largest firms focused solely on QA, Test Automation, DevOps, and Business Analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Apicontextapicontext.comHQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 18 contacts → |
“APIContext provides outside-in application testing that replicates how your users access your apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 176 company matches
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Api testing service 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
176 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 176 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 ↗
Questions about this company list
What does Exact match mean for api testing service 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 testing service providers did RevenueBase find based in the United States?
The saved snapshot records 176 matching company records, 6,510 tracked contacts and 1,160 verified emails. The public preview displays 22 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
Api testing service providers by geography
- Api testing service providers based in Bangalore, India
- Api testing service providers based in Pune, India
- Api testing service providers based in Canada
- Api testing service providers based in France
- Api testing service providers based in Germany
- Api testing service providers based in India
- Api testing service providers based in the Netherlands
- Api testing service providers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 22 api testing service providers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/api-testing-service-providers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Api testing service providers based in Bangalore, India
- Api testing service providers based in Pune, India
- Api testing service providers based in Canada
- Api testing service providers based in France
- Api testing service providers based in Germany
- Api testing service providers based in India
Company intelligence · public preview
Top 22 api testing service providers based in the United States
RevenueBase records 176 matching company records for api testing service providers based in the United States, with 6,510 tracked contacts and 1,160 verified work emails.
This public preview shows 22 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 22 api testing service providers based in the United States
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 | Applauseapplause.com HQ: Framingham, MA, United StatesReported employees: 201-500 | Framingham, MA, United States | 201-500 | Exact match | 1,463 contacts → |
“Applause is the global leader in managed software testing services and digital quality.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Logigear Corporationlogigear.com HQ: San Mateo, CA, United StatesReported employees: 501-1,000 | San Mateo, CA, United States | 501-1,000 | Exact match | 437 contacts → |
“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Astegicastegic.com HQ: Falls Church, VA, United StatesReported employees: 51-200 | Falls Church, VA, United States | 51-200 | Exact match | 419 contacts → |
“For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Accelqaccelq.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 250 contacts → |
“ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kualitatem INCkualitatem.com HQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 199 contacts → |
“Kualitatem empowers businesses to deliver quality software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Impactqaimpactqa.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 123 contacts → |
“Welcome to ImpactQA – Where Excellence Meets Innovation in Software Testing and QA Consulting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RTTSrttsweb.com HQ: NY, United StatesReported employees: 51-200 | NY, United States | 51-200 | Exact match | 121 contacts → |
“RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rainforest QArainforestqa.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 115 contacts → |
“Automate your e2e tests without the time-consuming drudgery of test maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ibeta Quality Assuranceibeta.com HQ: Aurora, CO, United StatesReported employees: 51-200 | Aurora, CO, United States | 51-200 | Exact match | 97 contacts → |
“Founded in and located in metro Denver, Colorado, iBeta Quality Assurance specializes in “QA on Demand” for software: functionality, compatibility, security, load/performance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Trustedqa, INCtrustedqa.com HQ: Reston, VA, United StatesReported employees: 51-200 | Reston, VA, United States | 51-200 | Exact match | 91 contacts → |
“Since 1988, TrustedQA’s mission has been to help our customers build and deliver quality software more efficiently, effectively, and securely.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Verifaya Corporationverifaya.com HQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 91 contacts → |
“Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Plus QAplusqa.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 85 contacts → |
“PLUS QA makes software testing simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Shasta QAshastaqa.com HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 81 contacts → |
“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | SOFYsofy.ai HQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 77 contacts → |
“Sofy is an end-to-end agentic testing platform built for modern software teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Foxhole QAfoxholeqa.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 41 contacts → |
“Best in class QA services with years of award winning experienced staff.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Quality Tech LABqt-lab.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 36 contacts → |
“Quality Tech Lab is a leading context-driven company offering a comprehensive range of cost-effective software development and testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Botgauge AIbotgauge.com HQ: Dover, DE, United StatesReported employees: 11-50 | Dover, DE, United States | 11-50 | Exact match | 36 contacts → |
“AI agents don’t just generate responses anymore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Betasoft INCbetasoft.com HQ: Campbell, CA, United StatesReported employees: 51-200 | Campbell, CA, United States | 51-200 | Exact match | 30 contacts → |
“Software Testing Services Provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 3qi Labs3qilabs.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 25 contacts → |
“Better Code Through Automation 3Qi Labs launched in 2010 with a simple goal: Help enterprise application development and QA teams use test automation effectively.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Primeqa Solutionsprimeqasolutions.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 23 contacts → |
“PrimeQA Solutions is a software testing and QA services company based in San Francisco, helping startups, product companies, and growing businesses build software that performs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TAPQAtapqa.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 22 contacts → |
“tap|QA is one of the fastest growing consulting firms in the country, as well as one of the largest firms focused solely on QA, Test Automation, DevOps, and Business Analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Apicontextapicontext.com HQ: Seattle, WA, United StatesReported employees: 11-50 | Seattle, WA, United States | 11-50 | Exact match | 18 contacts → |
“APIContext provides outside-in application testing that replicates how your users access your apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 176 company matches
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Api testing service 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
176 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 176 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 ↗
Questions about this company list
What does Exact match mean for api testing service 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 testing service providers did RevenueBase find based in the United States?
The saved snapshot records 176 matching company records, 6,510 tracked contacts and 1,160 verified emails. The public preview displays 22 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
Api testing service providers by geography
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- Api testing service providers based in the Netherlands
- Api testing service providers based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 22 api testing service providers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/api-testing-service-providers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Api testing service providers based in Bangalore, India
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