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Top API Developers in Kharkiv

Ratings Updated: April 28, 2025

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6 Companies

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4 Leaders 2 Contenders

6 Companies

Country: Ukraine

City: Kharkiv

List of the Top Kharkiv API Development Services

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AESTAR

4.9 17 reviews

$5,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Services provided

10% API Development

30% AR/VR Development

20% Web Development +6 services

15% Mobile App Development

5% AI Development

5% Custom Software Development

5% Generative AI

5% UX/UI Design

5% Web Design

AESTAR is a technology solutions company specializing in XR, AI, and AR development, offering a variety of services, including VR experiences, web and app development, and interactive solutions. The reviews highlight their commendable project management, consistent on-time delivery, and effective communication. Approximately 90% of feedback reflects positive views on their technical expertise and creativity, with clients appreciating their ability to meet diverse needs within budget constraints.

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Reviews mention Creative

AESTAR received highly positive feedback regarding their creativity, with clients noting their ability to visualize project milestones effectively. One client emphasized that AESTAR's team was 'incredibly creative and strong,' consistently providing multiple solutions to challenges. Additionally, the attention to detail and care in project execution were highlighted, with clients feeling that AESTAR treated their projects as if they were their own. Overall, the sentiment reflects a strong appreciation for AESTAR's creative approach and quality of work.

Custom Web Dev & Design for Retail Technology Company

5.0 May 17, 2024

Their team was extremely responsive to our needs. Any question we had were handled with great thought and consideration in mind. They provided us with multiple solutions instead of one straight answer. Incredibly creative and strong team.

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XR App Development for Technology Company

5.0 Dec 2, 2024

We met with several other development teams and none seemed to have the same sense of eagerness to learn more about our issues and help find creative solutions for our issues. They were open on our initial call that they did not have all of the answers, but had ideas on how this could work and seemed dedicated to finding a solution.

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Average Project Cost Breakdown

Less than $10,000 (4)

$10,000 to $49,000 (2)

What Clients Have Said

Clients frequently commend AESTAR for their competitive pricing and excellent value for money, often noting that their costs align well with project budgets. For instance, one client highlighted AESTAR's pricing as a key factor in their selection, emphasizing the company's great value relative to cost. Overall sentiment reflects satisfaction with the financial aspects of projects, with multiple clients expressing appreciation for AESTAR's ability to deliver quality results within budget constraints.

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3 of 3 reviews are 5 stars

Unknown avg. project cost

Reviewed 3 times in the past 6 months

In the past six months, AESTAR has received positive feedback for its innovative solutions and effective project management. Clients praised their responsiveness and commitment, often highlighting successful outcomes despite tight deadlines and budget constraints. For instance, one client noted AESTAR's ability to deliver a VR project a day early, while another appreciated their eagerness to understand and address specific needs. Areas for improvement include enhanced documentation and clearer communication on timelines, but overall sentiment remains highly favorable.

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Japan (2)

Mexico (1)

Poland (1)

Ukraine (2)

United States (5)

England (1)

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Software Development Hub

5.0 7 reviews

$25,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Services provided

10% API Development

50% Custom Software Development

20% Web Development +2 services

15% DevOps Managed Services

5% AI Development

Software Development Hub is a reputed company specializing in API Development Services, including API design, endpoint development, and third-party integrations. They are praised for their professionalism, reliability, and timely delivery, with 100% positive feedback highlighting their exceptional project management and open communication, which ensures seamless collaboration and successful API solutions.

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1 of 1 API Development reviews are 5 stars

$10,000 – $49,000 avg. project cost

API Development PROJECT HIGHLIGHT

API Design & Dev for Digital Marketing Agency

5.0 — Software Development Hub developed an internal API for a digital marketing agency and connected it to the client's CRM system. They also designed API endpoints and third-party integrations with SEO Read more

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Average Project Cost Breakdown

$10,000 to $49,000 (2)

$50,000 to $199,999 (1)

$1,000,000 to $9,999,999 (1)

Less than $10,000 (0)

$200,000 to $999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients consistently highlight Software Development Hub's competitive pricing as a significant factor in their selection, noting that it aligns well with their budgets. For instance, one client emphasized that the 'pricing fit our budget,' while another remarked on their 'high ratings' and cost-effectiveness. Overall, the sentiment reflects satisfaction with the value provided, particularly in relation to the quality of service and timely delivery, making SDH a trusted partner in their projects.

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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months

In the last six months, Software Development Hub received commendations for their exceptional professionalism and responsiveness. Clients noted their effective Agile project management, which facilitated adaptability to evolving requirements. A client highlighted the rapid development of an MVP in just three months, emphasizing the team's commitment and expertise. Overall sentiment is overwhelmingly positive, with clients expressing satisfaction with the scalability and user engagement metrics achieved through SDH's solutions, marking them as a reliable partner for software development.

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Armenia (1)

Ukraine (1)

United States (2)

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Right.Link

5.0 5 reviews

$5,000+

$25 - $49 / hr

10 - 49

Kharkiv, Ukraine

Services provided

20% API Development

40% Web Development

15% E-Commerce Development +2 services

15% Mobile App Development

10% Low/No Code Development

Right.Link is a web and application development company noted for its strong technical expertise and commitment to quality, particularly in frontend development. Reviews highlight a 100% satisfaction rate with their timely project delivery, exceptional project management, and proactive problem-solving. Clients appreciate their robust communication and seamless integration of complex systems, though some mention the need for improved documentation.

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Reviews mention Reasonable pricing

Clients expressed satisfaction with Right.Link's reasonable pricing, highlighting that their project was delivered on time and on budget for approximately $6,000 per month. One client noted, "Everything was delivered exactly as I requested," underscoring the value received for the investment made. Overall, the sentiment regarding pricing is positive, with clients appreciating the balance between cost and quality of service provided.

Web App Dev for Software Company

5.0 Dec 13, 2022

All the requested work was delivered on time and on budget. We used Slack to communicate; they were very communicative. They worked in sprints to complete tasks.

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Average Project Cost Breakdown

$10,000 to $49,000 (2)

$200,000 to $999,999 (1)

Less than $10,000 (0)

$50,000 to $199,999 (0)

$1,000,000 to $9,999,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients generally perceive Right.Link as offering good value for money, with several reviews noting that their pricing aligns well with project budgets. One client highlighted their selection of Right.Link due to 'good value for cost,' while another emphasized their satisfaction with the overall results delivered for the investment made. Overall sentiment indicates that clients appreciate the quality of work relative to the costs incurred, confirming a positive perception of value.

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Israel (2)

United States (1)

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SYTOSS

4.8 3 reviews

$50,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Services provided

10% API Development

30% Enterprise App Modernization

15% Custom Software Development +5 services

15% ERP Consulting and SI

10% AI Development

10% IT Staff Augmentation

5% AI Consulting

5% Web Development

SYTOSS is a technology company specializing in API Development Services, including REST API Programming and Web Service Development. Clients appreciate their versatility and good value for cost, though occasional delays were noted. Overall, SYTOSS delivers effective API solutions, with 100% of reviewers highlighting their impressive adaptability.

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Reviews mention Easy to reach

Clients have noted that SYTOSS is easy to reach, with one COO highlighting their consistent availability and proactive communication through various channels. The feedback emphasizes the company's commitment to going the extra mile, ensuring that client needs are addressed promptly. Overall, the sentiment regarding accessibility is highly positive, reflecting a strong alignment with client expectations and project requirements.

Custom Software Development for Financial Services Co

5.0 Jun 18, 2024

They consistently go the extra mile for our projects, making themselves readily available to assist with any issues through various communication channels.

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1 of 1 API Development reviews are 5 stars

1 new review for API Development in past 6 months

$200,000 – $999,999 avg. project cost

API Development PROJECT HIGHLIGHT

UI & Hardware Interface Dev for Card Dealing System Dev

5.0 — SYTOSS developed a real-time hardware interface and set up a WiFi hotspot for a card dealing system developer. The team's goal was to create a multi-platform UI. Read more

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Average Project Cost Breakdown

$200,000 to $999,999 (2)

$1,000,000 to $9,999,999 (1)

Less than $10,000 (0)

$10,000 to $49,000 (0)

$50,000 to $199,999 (0)

$10,000,000 + (0)

What Clients Have Said

Clients consistently highlight SYTOSS's competitive pricing and strong value for money, noting that their services fit well within budget constraints. One client stated they chose SYTOSS for 'good value for cost,' while another emphasized that SYTOSS's pricing aligned perfectly with their budget. Overall sentiment reflects satisfaction with the cost-effectiveness of the services provided, contributing to successful project outcomes and improved operational efficiencies.

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Cyprus (1)

Sweden (1)

England (1)

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LanaDev

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Kharkiv, Ukraine

Services provided

20% API Development

20% Cybersecurity

20% IT Strategy Consulting +2 services

20% Mobile App Development

20% Web Development

Established in 2019, LanaDev is a small IT strategy consulting company based in Kharkiv, Ukraine. Their team focuses on IT strategy consulting and Cybersecurity.
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Tree Solutions

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Kharkiv, Ukraine

Services provided

15% API Development

50% Web Development

10% Product Design +4 services

10% UX/UI Design

5% AI Consulting

5% AI Development

5% DevOps Managed Services

Tree Solutions is a website development company. Founded in 2022, the firm is headquartered in Kharkiv, Ukraine. Their team specializes in Web Development and API Development.
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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 AESTAR

2 Software Development Hub

3 Right.Link

4 SYTOSS

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. 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 4 Kharkiv API Development Services

AESTAR

$5,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Ability to deliver

33.1/40.0

18.2/20 Reviews

10/10 Clients & Experience

4.9/10 Market Presence

Service focus

10% API Development

90% Other

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Software Development Hub

$25,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Ability to deliver

31.2/40.0

17/20 Reviews

8.7/10 Clients & Experience

5.5/10 Market Presence

Service focus

10% API Development

90% Other

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Right.Link

$5,000+

$25 - $49 / hr

10 - 49

Kharkiv, Ukraine

Ability to deliver

30.3/40.0

16.8/20 Reviews

9.5/10 Clients & Experience

4/10 Market Presence

Service focus

20% API Development

80% Other

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SYTOSS

$50,000+

$25 - $49 / hr

50 - 249

Kharkiv, Ukraine

Ability to deliver

22.1/40.0

17/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% API Development

90% Other

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LanaDev

$5,000+

$25 - $49 / hr

10 - 49

Kharkiv, Ukraine

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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Tree Solutions

$1,000+

$25 - $49 / hr

2 - 9

Kharkiv, Ukraine

Ability to deliver

4.7/40.0

0/20 Reviews

0.7/10 Clients & Experience

4/10 Market Presence

Service focus

15% API Development

85% Other

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Top API Developers in Kharkiv

List of the Top Kharkiv API Development Services

Reviews mention Creative

Custom Web Dev & Design for Retail Technology Company

XR App Development for Technology Company

Average Project Cost Breakdown

What Clients Have Said

Reviewed 3 times in the past 6 months

API Design & Dev for Digital Marketing Agency

Average Project Cost Breakdown

What Clients Have Said

Reviewed 1 time in the past 6 months

Reviews mention Reasonable pricing

Web App Dev for Software Company

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Easy to reach

Custom Software Development for Financial Services Co

UI & Hardware Interface Dev for Card Dealing System Dev

Average Project Cost Breakdown

What Clients Have Said

Get closer to kicking off your next project today

List of the Top 4 Kharkiv API Development Services