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Developer-to-Developer Support: API & SDK Troubleshooting

For high-complexity products, general helpdesks aren't enough. This curated directory features "Developer-to-Developer" (D2D) support firms. These agencies provide engineers who can troubleshoot API calls, review customer code snippets, and assist with SDK integrations in real-time. These specialized firms are vetted for their proficiency in 2026's most popular languages (TypeScript, Python, Rust) and their ability to write high-quality technical documentation that empowers your users' developers to build on your platform with zero friction.

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114 Companies Found
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Valoris is an international award-winning BPO and Call Center services provider in Romania, operating since 2006. They deliver comprehensive, multilingual, 24/7/365 solutions across B2C, B2B, and Corporate accounts, focusing on five pillars: Capacities, Development, Retentio.. Read more about valoris center services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Back-Office Support
Help Desk Support
Order Processing
Multichannel Support

Industries

Finance & Accounting
E-commerce
Healthcare
Hospitality

Region

Romania
United States

Languages

Multilingual
Overall Ratings
4.9
13 Reviews
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Simetrix Solutions is a global BPO and Consulting Company established in 2010, specializing in innovative and customized outsourcing solutions for customer care and business processes. They provide 24/7, multilingual call center and back-office support, including BPO service.. Read more about Simetrix Solutions services and insights

Services

Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Help Desk Support
Core Service
Back-Office Support
Core Service
Data Entry
Core Service
Lead Generation
Core Service
Customer Support
Core Service
Virtual Assistant
Multichannel Support

Region

United States
United Kingdom
Albania
Kosovo

Languages

Multilingual
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Fusion CX
3.8
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Fusion CX is a global BPM (Business Process Management) company and Certified Minority Business Enterprise, offering complex, integrated, and multilingual Customer Experience (CX) solutions across 15 countries. They support 28 languages, combining advanced AI-powered technol.. Read more about Fusion CX services and insights

Services

Technical Support
Core Service
Lead Generation
Core Service
Order Processing
Core Service
Back-Office Support
Core Service
Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Multichannel Support
Help Desk Support
Email Support
Live Chat Support

Industries

Healthcare
Finance & Accounting
Insurance
E-commerce
Hospitality

Region

United States
Canada
Jamaica
Colombia
El Salvador
Belize
India
Philippines
Thailand
Indonesia
Albania
Morocco
Kosovo

Languages

Multilingual
Overall Ratings
3.8
24 Reviews
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BrazilDesk is a leading Business Process Outsourcing (BPO) company based in Brazil, specializing in multilingual customer support and BPO strategy across Latin America. Founded in 2014, they provide dedicated 24/7 outsourced call center, IT support, HR, and back-office servi.. Read more about BrazilDesk services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Multichannel Support
Core Service
Help Desk Support
Core Service
Technical Support
Core Service
Back-Office Support

Region

Brazil

Languages

English
Spanish
Portuguese
Overall Ratings
0
0 Reviews
No platform reviews available yet
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AmeeraTel is an IT-BPM and Business Process Outsourcing (BPO) provider with operations in the Philippines (Cebu), offering affordable dedicated remote teams starting at $5.00/hour to clients across multiple industries, including E-Commerce, Healthcare, and Legal. They delive.. Read more about Ameeratel services and insights

Services

Customer Support
Core Service
Technical Support
Core Service
Inbound & Outbound Call Center
Core Service
Virtual Assistant
Live Chat Support
Email Support
Back-Office Support
Data Entry

Industries

Healthcare
Finance & Accounting
Education
Insurance
Real Estate
E-commerce
Media

Region

Philippines

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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UpLink delivers outsourced Call Center and BPO Services to growth-focused companies, helping them scale sales, customer support, and back-office operations efficiently. Leveraging a leadership team with experience from global enterprises, they provide customized, agile solut.. Read more about Uplink BPO services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Technical Support
Core Service
Back-Office Support
Core Service
Lead Generation
Core Service
Virtual Assistant
Administrative Support
Data Entry
Business Operations
Multichannel Support

Industries

Finance & Accounting

Region

Colombia
Nicaragua
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Archers Contact Solutions is a New Jersey-based virtual assistant agency that provides reliable, office-based virtual assistants (VAs) and remote staff from the Philippines. The company was founded by a business coach and focuses on providing top-tier VAs to business owners.. Read more about Archers Contact Solutions services and insights

Services

Virtual Assistant
Core Service
Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Administrative Support
Email Inbox Management
Calendar Scheduling
Data Entry
Back-Office Support
Order Processing
Social Media Management
IT Help Desk

Industries

Real Estate
E-commerce
Media
Home Services
Hospitality

Region

United States
Philippines

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Protel BPO is a nearshore contact center and Business Process Outsourcing (BPO) company based in Belize, specializing in delivering the "Ultimate Customer Experience" for US and Canadian businesses. They provide a range of services including Inbound Call Center, Phone Answer.. Read more about Protel BPO services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Live Chat Support
Core Service
Back-Office Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Email Support
Order Processing
Multichannel Support

Industries

E-commerce
Hospitality
Healthcare
Education
Insurance
Publishing
Finance & Accounting

Region

Belize

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Joyno Inc. is a Philippines-based call center and BPO company that operates with a "Higher Calling" philosophy, prioritizing "Human Intelligence" (HI) over AI to deliver personalized client support. They foster a unique, family-centered culture by paying above-market wages a.. Read more about Joyno Inc services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Order Processing
Core Service
Technical Support
Core Service
Help Desk Support
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Lead Generation
Marketing Strategy
Social Media Management
Content Marketing
SEO Strategy
PPC Advertising
Web Design
Web Development

Region

United States
Philippines

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Virtual Coworker is a reliable partner for professional virtual assistant staff services from the Philippines, primarily serving businesses in the USA and Australia. They help clients unlock cost-effective support and growth by connecting them with the top 1% of skilled Fili.. Read more about Virtual Coworker services and insights

Services

Virtual Assistant
Core Service
Executive Assistant
Core Service
Customer Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Dedicated Virtual Assistants
Core Service
Administrative Support
Email Inbox Management
Calendar Scheduling
Data Entry
Social Media Management
Content Marketing
Web Development
WordPress & CMS Development

Industries

Real Estate
E-commerce
Media
Home Services
Hospitality
Finance & Accounting

Region

Philippines
Australia
United States

Languages

English
Overall Ratings
4.8
2 Reviews
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Zedtreeo is a remote staffing solutions company that helps businesses hire pre-vetted remote professionals from India. They offer a wide range of remote staff for roles in IT, medical, legal, finance, accounting, and digital marketing. The company aims to help businesses sca.. Read more about Zedtreeo services and insights

Services

Software Development
Core Service
Customer Support
Core Service
Technical Support
Core Service
Back-Office Support
Core Service
Business Operations
Core Service
SEO Strategy
Core Service
PPC Advertising
Core Service
Social Media Management
Core Service
Virtual Assistant
Core Service
Web Development
Mobile App Development
Cybersecurity
Cloud Computing
Administrative Support
Data Entry
Email Inbox Management
Calendar Scheduling
Graphic Design
UX/UI Design

Industries

Finance & Accounting
Construction
Education
Legal

Region

United States
India

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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TP (Teleperformance) is a global leader in digital business services, specializing in integrated, human-centric solutions powered by "Orchestrated Intelligence." They combine human expertise with AI-enabled processes to deliver fast, reliable customer experiences and optimiz.. Read more about Teleperformance services and insights

Services

Inbound & Outbound Call Center
Core Service
Customer Support
Core Service
Technical Support
Core Service
Live Chat Support
Email Support
Back-Office Support
Order Processing

Industries

Media
E-commerce
Finance & Accounting
Healthcare
Insurance

Region

France

Languages

English
Multilingual
Overall Ratings
0
0 Reviews
No platform reviews available yet
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SkillSource India is a business process outsourcing (BPO) provider with a global delivery center in Pune, India, offering cost-effective and scalable 24/7 omnichannel support. They deploy world-class teams on demand to handle diverse and intricate business functions for clie.. Read more about SkillSource India services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Back-Office Support
Core Service
Lead Generation
Core Service
Virtual Assistant
Administrative Support
Data Entry
Business Operations
Multichannel Support
Social Media Management
Email Marketing
Marketing Strategy

Industries

Real Estate
Insurance
Education
Hospitality
Media
Legal
Healthcare

Region

India
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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C.J. Customer Support, LLC is a Dallas-registered customer service outsourcing company operating remotely with experienced bilingual agents (English/Spanish) from Latin America. They provide affordable, high-quality support solutions tailored for small businesses, startups,.. Read more about C.J. Customer Support, LLC services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Back-Office Support
Data Entry

Region

United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
Expand Details
VisionSync Solutions is a premier global Business Process Outsourcing (BPO) partner that empowers enterprises through a 24/7/365 operational model. Their extensive service portfolio features omnichannel call center support, appointment setting, and lead generation, alongside.. Read more about Vision Sync Solutions services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Multichannel Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Data Entry
Back-Office Support

Industries

Healthcare
Finance & Accounting

Region

United States
India

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
Expand Details
Call Center Solutions Africa acts as an independent advisory and consulting partner, specializing in connecting businesses with high-quality BPO and Contact Center service providers across the African continent. They simplify the often-complex vendor selection process by vet.. Read more about Call Center Solutions Africa services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Multichannel Support
Core Service
Technical Support
Core Service
Back-Office Support
Core Service
Lead Generation
Data Entry
Business Operations

Industries

Healthcare
Insurance
Hospitality
E-commerce

Region

Kenya

Languages

English
Multilingual
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Westpark Communications, L.P. is a 100% U.S.-based call center and BPO provider, established in 1968. They offer 24/7 live Answering Services, Customer Service Outsourcing, Help Desk, and Custom Solutions. A key focus is seamless integration with client platforms (Salesforce.. Read more about Westpark Communications services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Help Desk Support
Core Service
Technical Support
Core Service
Order Processing
Core Service
Lead Generation
Core Service
Live Chat Support
Email Support
Administrative Support
Data Entry
Business Operations

Industries

Real Estate
E-commerce
Media
Home Services
Hospitality
Finance & Accounting
HR & Recruiting

Region

United States

Languages

English
Overall Ratings
4.8
138 Reviews
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Remote Raven is a virtual assistant and remote worker staffing company that connects businesses with highly qualified, college-educated, and well-trained remote workers from the Philippines. They specialize in filling specialized roles across over 100 industries, including H.. Read more about Hire Remote Raven services and insights

Services

Virtual Assistant
Core Service
Dedicated Virtual Assistants
Core Service
Executive Assistant
Core Service
Customer Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Data Entry
Core Service
Administrative Support
Email Inbox Management
Calendar Scheduling
Back-Office Support
Social Media Management
Content Marketing
SEO Strategy
PPC Advertising
Web Development
Software Development

Industries

Real Estate
E-commerce
Finance & Accounting
HR & Recruiting
Construction
Healthcare
Legal

Region

United States
Philippines
Nigeria

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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iFIVE Global offers premier offshore staffing solutions to help businesses combat high turnover and surging labor costs, promising up to 70% savings. Headquartered in California with offices in Metro Manila, Philippines, they specialize in industry-specific teams (Medical, L.. Read more about iFIVE Global services and insights

Services

Data Entry
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Back-Office Support
Core Service
Customer Support
Core Service
Virtual Assistant
Core Service
Administrative Support
IT Help Desk
Lead Generation

Industries

Healthcare
Legal
Finance & Accounting

Region

Philippines
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
Expand Details
TRU29 Solutions Inc. is an award-winning, Philippines-based outsourcing solutions partner specializing in creating tailored strategies to meet diverse business needs. Their comprehensive service portfolio is designed to help organizations focus on their core business and ach.. Read more about TRU29 Solutions services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Help Desk Support
Core Service
Live Chat Support
Core Service
Email Support
Core Service
Lead Generation
Core Service
Back-Office Support
Data Entry
Content Marketing
Social Media Management
SEO Strategy
Web Development
Software Development

Industries

Construction
E-commerce
Finance & Accounting
Healthcare
Hospitality
Insurance
Media
Real Estate
HR & Recruiting

Region

Philippines

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
Expand Details
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Frequently Asked Questions

Plus
What is "Adversarial Support" in Technical Support?
It is a 2026 security practice where Technical Support agents verify that a support request isn't actually a "social engineering" attack to gain access to accounts.
Plus
Can Technical Support assist with software updates?
Yes; Technical Support teams manage the rollout of patches and version updates, ensuring that your users transition smoothly to new features.
Plus
How are Technical Support agents trained?
Agents undergo rigorous certification on your specific product stack and use "Lab Environments" to practice resolving complex Technical Support scenarios.
Plus
Does Technical Support provide 24/7 monitoring?
Many Technical Support plans include "Active Monitoring," where agents receive alerts and fix server issues before the customer even notices a problem.
Plus
How do you measure Technical Support efficiency?
The gold standard for Technical Support is First-Contact Resolution (FCR) and Mean Time to Recovery (MTTR) for system outages.
Plus
Can Technical Support manage API troubleshooting?
Yes; many Technical Support firms in this directory specialize in "Developer Support," helping clients debug API integrations and webhooks.
Plus
What is Tier 3 Technical Support?
Tier 3 involves senior engineers who handle deep-level code issues and infrastructure failures that general Technical Support agents cannot resolve.
Plus
How is knowledge shared in Technical Support?
Specialists in Technical Support maintain a "living" internal wiki, documenting every new bug and resolution to ensure the entire team stays updated.
Plus
Does Technical Support include remote desktop access?
Yes; with user permission, Technical Support agents use secure tools to remotely access a device and fix configuration errors without the user needing to take action.
Plus
What is the primary role of Technical Support?
Technical Support is responsible for diagnosing and resolving hardware, software, and connectivity issues through expert troubleshooting and specialized product knowledge.
Plus
Can a Technical Support Experts provider scale as your business grows?
A scalable Technical Support Experts provider should be able to quickly add trained staff, expand service coverage, and adjust workflows as your company’s workload or operational needs grow.
Plus
What security practices should a professional Technical Support Experts agency follow?
A professional Technical Support Experts agency should implement NDAs, secure system access, role-based permissions, and data protection policies to safeguard sensitive business information.
Plus
How do agencies ensure quality and accuracy in Technical Support Experts?
Reliable Technical Support Experts agencies typically use documented workflows, supervisor reviews, and performance metrics to maintain accuracy and consistent service quality.
Plus
What questions should you ask before hiring a Technical Support Experts company?
Before hiring a Technical Support Experts company, ask about onboarding steps, service-level agreements, quality control processes, and how performance will be tracked and reported.
Plus
How do you choose the best Technical Support Experts provider for your business?
To choose the best Technical Support Experts provider, compare communication processes, reporting frequency, tool compatibility, and the agency’s ability to understand your operational requirements.
Plus
What should you look for when hiring a Technical Support Experts agency?
When hiring a Technical Support Experts agency, review their industry experience, ask for case studies, and confirm they have successfully managed similar workflows for other businesses.