Company lists · Data refreshed November 2026

Top 21 Custom api development companies based in Australia

RevenueBase identified 41 company matches for custom api development companies associated with Australia as of November 2026 and tracks 245 professional contacts across them, including 103 with verified work emails. Sydney is the largest hub.

This list covers company matches for custom api development companies associated with Australia, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
41Companies
245Contacts tracked
103Verified emails
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The 21 largest custom api development companies based in Australia

Ranked by team size
Top 21 of 41 company matches for custom api development companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Toro makes accessible enterprise application integration software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLoganholme, AustraliaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“We are a Cloud Integration Business helping SME move to running their businesses on applications within the web browser.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Combined with our technical prowess, our team's core principle is to show unparalleled initiative and accountability to take any job to their point of completion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWaterloo, AustraliaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We’re a fast-growing managed integration business (iPaaS) to the B2B community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBrisbane, AustraliaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Streamlining Business Processes through IT solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNarre Warren, AustraliaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“The DARQ Room is a development firm that specializes in streamlining and connecting disparate software systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarangaroo, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“We are building the best SaaS integration, workflow and analytics services to connect your ecosystem!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-5004 contacts →

Exact match

“B2BGateway is more than just an EDI & API connectivity solution provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDee Why, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Integration Wizards is a professional provider of data integration solutions and services worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWoolloomooloo, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“ECJ Technology is a 100% Australian, Sydney-based internet and application development company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFortitude Valley, AustraliaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Our Cloud makes it extremely easy to integrate combinations of any applications and software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Are you having issues with technology that doesn’t work the way you want?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCarrum Downs, AustraliaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Since 2018, we have worked with businesses to create bespoke digital solutions which integrate seamlessly into their workflow.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Connect Anything.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAdelaide, AustraliaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Welcome to API Integrations, a consulting firm that specializes in creating unique API integrations and custom dashboard development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“At Episub we specialise in (Enterprise) Application Integration (E)AI, helping companies that have outgrown the limitations of click-and-integrate solutions and legacy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPyrmont, AustraliaHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Protogen is an Australian firm specialising in application integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Simplify Software specialises in progressive, user-focussed web applications that connect seamlessly to your business architecture.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBella Vista, AustraliaHQ recorded Nov 6, 202611-501 contacts →

Exact match

“Microknot is a bespoke software development company based in Sydney, Dedicated to delivering top-tier digital solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKingston, AustraliaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“infoasis® develops effective connected applications that deliver results to your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Specialist API, Integration and Digital development organisation that provides strategic, architecture, design and implementation services to organisations who are trying to…”

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

Showing 21 of 41 custom api development companies based in Australia

See the full list, filter by size, metro and specialty, and access 103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom api development companies based in Australia at a glance

As of Nov 6, 2026
42.0%Verified-email coverage
6.0Average contacts per company
1-10Median size (employees)
31.7%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
11
51-200
1
201-500
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 41 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 Australia whose business descriptions match “custom api development companies” 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 103 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 “custom api development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom api development companies are there based in Australia?

RevenueBase identified 41 company matches for custom api development companies associated with Australia 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?

Toro Cloud tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most custom api development companies?

Sydney leads with 13 company records, followed by Melbourne (7) and Adelaide (3).

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 103 professional contacts with verified work emails tracked across these 41 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

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