Top API Developers in Sydney

Ratings Updated: April 3, 2026

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1 Leaders 15 Contenders

16 Companies

Country: Australia

City: Sydney

List of the Top Sydney API Development Services

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StepInsight

4.9 12 reviews

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$25,000+

$50 - $99 / hr

10 - 49

Sydney, Australia

Services provided

15% API Development

40% Custom Software Development

30% Mobile App Development +1 service

15% AI Development

StepInsight is a company specializing in API Development Services, offering solutions such as API Integration and Web Service Development. The company has received predominantly positive feedback, with strengths in project management and technical expertise. Approximately 90% of reviewers commend their commitment and flexibility, while 10% suggest improvements in proactive issue identification.

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Reviews mention Knowledgeable
Clients have consistently praised StepInsight for their extensive knowledge and expertise, particularly in UI/UX design and software implementation. One client highlighted the team's ability to deliver high-quality solutions while integrating effective communication between design and engineering. They noted, 'The design team provided us with their immense wealth of knowledge,' which contributed significantly to project success. Overall, the sentiment reflects a high level of confidence in StepInsight's capabilities and their commitment to delivering exceptional results.

Web Development & Design for Event Management Company

5.0 May 27, 2024

The design team provided us with their immense wealth of knowledge in terms of implementing the most effective UI/UX while including a software engineer in the discussion to ensure ideas were actually achievable. What did you find most impressive or unique about this company? Level of expertise.
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Average Project Cost Breakdown

$50,000 to $199,999 (3)

What Clients Have Said
Client feedback indicates that StepInsight offers good value for money, with several clients highlighting their competitive pricing. For instance, a client noted that StepInsight's services fit their budget, while another emphasized the company's fair and reasonable approach. Overall sentiment reflects satisfaction with the cost relative to the quality of deliverables, as clients appreciated timely project completion and effective communication. Many clients expressed a willingness to continue partnerships, further underscoring the perceived value of their investment.
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2 of 2 Sydney-based reviews are 5 stars

Unknown avg. project cost for API Development services in Sydney

Sydney-based API Development project highlight

API Integration for Automated IoT Solutions Provider
5.0 — StepInsight provides API integration services for an automated IoT solutions provider. The team has integrated Xero and Navman into the client's platform and automated subscription payment Read more
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Review Rating from Clients

4.9/5.0

Quality

4.9

Schedule

4.6

Cost

4.7

Willing to Refer

4.9

Reviewers in Sydney commend StepInsight for their extensive experience in software development, UI/UX design, and platform integrations. They value the team's passion, flexibility, and proactive communication, which consistently lead to successful, high-quality outcomes in projects ranging from IoT solutions to booking systems.
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Mantel

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Services provided

10% API Development

10% AI Development

10% BI & Big Data Consulting & SI +7 services

10% Cloud Consulting & SI

10% Digital Engineering

10% Digital Strategy

10% Generative AI

10% IT Managed Services

10% IT Strategy Consulting

10% Product Design

Mantel is a Digital Strategy company based in Melbourne, Australia and Sydney, Australia. Their services include Digital Strategy and Product Design.
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Sydney, Australia

L21/580 George Street
Sydney, Australia 2000
151 - 200

+61 1300 505 240

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Alkye Service Pty Ltd

Not yet reviewed

$1,000+

$25 - $49 / hr

50 - 249

Lavender Bay, Australia

Services provided

10% API Development

10% Branding

10% CRM Consulting and SI +7 services

10% Digital Strategy

10% Email Marketing

10% Logo

10% Mobile App Development

10% Search Engine Optimization

10% UX/UI Design

10% Web Development

Launched in 2013, Alkye Service Pty Ltd is a branding agency. The agency provides Branding and Digital Strategy, and is midsize.
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SolverCircle

Not yet reviewed

$1,000+

$50 - $99 / hr

2 - 9

Hurstville, Australia

Services provided

20% API Development

60% Web Development

20% Mobile App Development

SolverCircle, a website development company, was founded in 2005. The small team focuses on Web Development and Mobile App Development.
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Azar Consulting

Not yet reviewed

$10,000+

$150 - $199 / hr

2 - 9

Chiswick, Australia

Services provided

20% API Development

20% IT Strategy Consulting

20% IoT Development +3 services

20% Mobile App Development

10% AR/VR Development

10% Web Development

Azar Consulting is a small Chiswick, Australia-based IT strategy consulting company. The team provides IT strategy consulting and Mobile App Development.
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Digital Purpose Pty Ltd

Not yet reviewed

$1,000+

$100 - $149 / hr

2 - 9

Redfern, Australia

Services provided

20% API Development

60% Custom Software Development

10% IT Strategy Consulting +1 service

10% Mobile App Development

Digital Purpose Pty Ltd is a software development firm. The team offers Custom Software Development and API Development, and the agency is in Redfern, Australia.
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Hidden Spark

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Brookvale, Australia

Services provided

15% API Development

15% BI & Big Data Consulting & SI

15% Custom Software Development +4 services

15% IT Strategy Consulting

15% Mobile App Development

15% Web Development

10% AI Development

Established in 2002, Hidden Spark is an IT strategy consulting company. Their team focuses on IT strategy consulting and BI & big data consulting & SI.
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XEESOFT

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Kingsford, Australia

Services provided

20% API Development

20% IoT Development

20% Mobile App Development +2 services

20% Web Design

20% Web Development

XEESOFT is a web design company in Islamabad, Pakistan and Kingsford, Australia. Launched in 2009, the team focuses on Web Design and Web Development.
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Kingsford, Australia

98 Botany Street
Kingsford, Australia 2032
2 - 5

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Fruition Services

Not yet reviewed

$1,000+

Undisclosed

10 - 49

Sydney, Australia

Services provided

15% API Development

25% Business Consulting

25% Corporate Training & Coaching +3 services

15% Custom Software Development

10% Low/No Code Development

10% Web Design

Fruition Services is a small software development firm located in Sydney, Australia and New Delhi, India. Their services include Custom Software Development and Business Consulting.
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9T5 Pty Ltd

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Baulkham Hills, Australia

Services provided

10% API Development

10% Custom Software Development

10% IT Staff Augmentation +12 services

10% Mobile App Development

10% Web Development

5% AI Consulting

5% AI Development

5% AR/VR Development

5% Blockchain

5% Cloud Consulting & SI

5% Cybersecurity

5% DevOps Managed Services

5% E-Commerce Development

5% Generative AI

5% Microservices Architecture Services

IT staff augmentation company 9T5 Pty Ltd is based in Baulkham Hills, Australia and Lahore, Pakistan. They offer IT staff augmentation and Custom Software Development and were launched in 2017.
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Sydney Software Development

Not yet reviewed

$5,000+

Undisclosed

2 - 9

Surry Hills, Australia

Services provided

10% API Development

25% Custom Software Development

25% Web Development +5 services

15% IT Strategy Consulting

10% Cybersecurity

5% AI Consulting

5% Application Testing

5% Microservices Architecture Services

Sydney Software Development is a Surry Hills, Australia-based custom software development company. They specialize in Custom Software Development and Web Development.
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Inayah Consulting

Not yet reviewed

$5,000+

$100 - $149 / hr

2 - 9

Mortdale, Australia

Services provided

10% API Development

10% Business Consulting

10% CRM Consulting and SI +7 services

10% Custom Software Development

10% E-Commerce Development

10% IT Strategy Consulting

10% Mobile App Development

10% Other IT Consulting and SI

10% Web Design

10% Web Development

Inayah Consulting is a web design agency located in Mortdale, Australia. Launched in 2021, the team specializes in Web Design and IT strategy consulting.
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Versent

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Services provided

20% API Development

20% Cloud Consulting & SI

20% Custom Software Development +3 services

20% IoT Development

10% DevOps Managed Services

10% IT Managed Services

Launched in 2014, Versent is a cloud consulting & SI company. The team offers cloud consulting & SI and Custom Software Development.
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Sydney, Australia

Level 11, 111 Elizabeth St
Sydney, Australia 2000
101 - 150

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Nikqik Technologies

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Barangaroo, Australia

Services provided

20% API Development

20% AI Development

20% Application Testing +2 services

20% Cloud Consulting & SI

20% IT Strategy Consulting

Launched in 2020, Nikqik Technologies is a small IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
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ASLAN Technology Services, Ltd.

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Elizabeth Bay, Australia

Services provided

20% API Development

30% DevOps Managed Services

30% IoT Development +1 service

20% Application Testing

Founded in 2015, ASLAN Technology Services, Ltd., a small IoT development company, is in Elizabeth Bay, Australia. Their team focuses on IoT development and DevOps Managed Services.
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Dazlab

Not yet reviewed

$50,000+

$100 - $149 / hr

10 - 49

Bateau Bay, Australia

Services provided

25% API Development

50% Custom Software Development

25% Enterprise App Modernization

Dazlab is a software development company. Their small team is headquartered in Bateau Bay, Australia. Their services include Custom Software Development and Enterprise App Modernization.
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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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1 StepInsight

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 1 Sydney API Development Services

StepInsight

$25,000+

$50 - $99 / hr

10 - 49

Sydney, Australia

Ability to deliver

34/40.0

18.2/20 Reviews

10/10 Clients & Experience

5.8/10 Market Presence

Service focus

15% API Development

85% Other

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Mantel

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Ability to deliver

11.3/40.0

0/20 Reviews

3.2/10 Clients & Experience

8.1/10 Market Presence

Service focus

10% API Development

90% Other

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Alkye Service Pty Ltd

$1,000+

$25 - $49 / hr

50 - 249

Lavender Bay, Australia

Ability to deliver

6.3/40.0

0/20 Reviews

1.8/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% API Development

90% Other

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SolverCircle

$1,000+

$50 - $99 / hr

2 - 9

Hurstville, Australia

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

20% API Development

80% Other

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Azar Consulting

$10,000+

$150 - $199 / hr

2 - 9

Chiswick, Australia

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% API Development

80% Other

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Digital Purpose Pty Ltd

$1,000+

$100 - $149 / hr

2 - 9

Redfern, Australia

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

20% API Development

80% Other

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Hidden Spark

Undisclosed

Undisclosed

2 - 9

Brookvale, Australia

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

15% API Development

85% Other

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XEESOFT

$1,000+

$25 - $49 / hr

10 - 49

Kingsford, Australia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% API Development

80% Other

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Fruition Services

$1,000+

Undisclosed

10 - 49

Sydney, Australia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

15% API Development

85% Other

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9T5 Pty Ltd

$5,000+

$25 - $49 / hr

10 - 49

Baulkham Hills, Australia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% API Development

90% Other

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Sydney Software Development

$5,000+

Undisclosed

2 - 9

Surry Hills, Australia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% API Development

90% Other

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Inayah Consulting

$5,000+

$100 - $149 / hr

2 - 9

Mortdale, Australia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% API Development

90% Other

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Versent

Undisclosed

Undisclosed

250 - 999

Sydney, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% API Development

80% Other

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Nikqik Technologies

Undisclosed

Undisclosed

10 - 49

Barangaroo, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% API Development

80% Other

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ASLAN Technology Services, Ltd.

Undisclosed

Undisclosed

2 - 9

Elizabeth Bay, Australia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% API Development

80% Other

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Dazlab

$50,000+

$100 - $149 / hr

10 - 49

Bateau Bay, Australia

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

25% API Development

75% Other

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Top API Developers in Sydney

List of the Top Sydney API Development Services

Reviews mention Knowledgeable

Web Development & Design for Event Management Company

Average Project Cost Breakdown

What Clients Have Said

API Integration for Automated IoT Solutions Provider

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List of the Top 1 Sydney API Development Services