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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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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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Hi-Deas Expedient Solutions Limited is an IT company focused on delivering digital transformation solutions and breaking communication boundaries for businesses of all sizes. Their core services center on Call Center/Contact Center operations, offering custom setup options (.. Read more about Hi-Deas Expedient Solutions services and insights

Services

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

Industries

Finance & Accounting
Insurance
Media

Region

Nigeria

Languages

English
Overall Ratings
3
1961 Reviews
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DELV Global is a remote staffing agency that simplifies the process of hiring, onboarding, and paying top-tier remote talent and Virtual Assistants from Latin America (LATAM), specializing in the top 3% of candidates. They act as a dedicated Remote HR for independent contrac.. Read more about DELV Global services and insights

Services

Virtual Assistant
Core Service
Executive Assistant
Core Service
Customer Support
Core Service
Technical Support
Core Service
Business Operations
Core Service
Administrative Support
Back-Office Support
Data Entry
Email Support
Live Chat Support
IT Help Desk
Software Development

Region

United States
Mexico
Colombia
Argentina
Brazil

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Call2Customers is a comprehensive provider of Business Process Outsourcing (BPO) and Call Center Outsourcing services based in India, specializing in intelligent customer engagement and accelerated business growth. They offer 24/7 multilingual support across various industry.. Read more about Call 2 Customers services and insights

Services

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

Industries

E-commerce

Region

India
United States

Languages

English
Multilingual
Overall Ratings
4.1
57 Reviews
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Telehunt
4.9
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Telehunt is an offshore staffing agency that connects businesses with elite global talent (top 1% VAs) to save up to 70% on staffing costs without sacrificing quality. They specialize in filling specialized roles across Real Estate, Healthcare, Tech, and Finance. Telehunt of.. Read more about Telehunt services and insights

Services

Administrative Support
Core Service
Customer Support
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Dedicated Virtual Assistants
Core Service
Virtual Assistant
Core Service
Data Entry
Executive Assistant
Back-Office Support
Business Operations
Email Support
Help Desk Support
Software Development
Full-Stack Development
Front-End Development
Back-End Development
IT Help Desk

Industries

Real Estate
E-commerce
Healthcare
Finance & Accounting
Home Services

Region

United States
Philippines

Languages

English
Overall Ratings
4.9
16 Reviews
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OWORKERS
4.5
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OWorkers is an ISO 27001 compliant, AI-enhanced multilingual outsourcing company providing hybrid BPO solutions (Human+AI) to global brands, including Marketplaces and Fortune 500 companies. They offer services across 30+ languages, focusing on operational excellence, securi.. Read more about OWORKERS services and insights

Services

Data Entry
Core Service
Back-Office Support
Core Service
Customer Support
Core Service
Technical Support
Core Service
Help Desk Support
Email Support
Live Chat Support
Multichannel Support

Industries

Healthcare
E-commerce
Insurance
Hospitality

Region

United States
United Kingdom
Bulgaria
Egypt
Madagascar
Philippines

Languages

Multilingual
English
French
Overall Ratings
4.5
2 Reviews
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Top Customer Service (TCS) provides end-to-end, human-centered Customer Experience (CX) and technical support globally. Their mission is to enhance user satisfaction and drive operational excellence through a hybrid model that blends 24/7 multilingual human agents with AI-au.. Read more about Top Customer Service services and insights

Services

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

Industries

Insurance
Hospitality
Media
E-commerce
Healthcare
Construction
Finance & Accounting

Region

United States
Pakistan

Languages

English
Overall Ratings
5
67 Reviews
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HelpSquad is a 24/7 omnichannel BPO (Business Process Outsourcing) company specializing in customer support and back-office functions. They offer affordable, reliable services starting at $8/hour, focusing on seamless team integration and superior customer experience. The co.. Read more about Help Squad services and insights

Services

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

Industries

Healthcare
E-commerce
Real Estate
Finance & Accounting
Education
Hospitality

Region

Philippines
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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ASM Virtual remote team solutions, primarily offering dedicated, pre-vetted Filipino Virtual Assistants (VAs) to businesses globally. They specialize in three main service areas: Administrative Staff, Customer Service Support, and Executive Assistance. ASM Virtual offers end.. Read more about ASM Virtual services and insights

Services

Virtual Assistant
Core Service
Executive Assistant
Core Service
Administrative Support
Core Service
Customer Support
Core Service
Technical Support
Core Service
Data Entry
Core Service
Back-Office Support
Core Service
Business Operations
Core Service
Email Marketing
Graphic Design
Web Development
Lead Generation

Industries

Coaching
HR & Recruiting
Finance & Accounting
Media

Region

United Kingdom
Philippines
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Virtual Staffing Solutions (VSS) is a global outsourcing and staffing company specializing in providing affordable, high-caliber staff primarily from the Philippines. They serve as a flexible, certified extension of a client's team, offering key BPO services such as Inbound/.. Read more about Virtual Staffing Solutions services and insights

Services

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

Industries

Real Estate
E-commerce
Media
Home Services
Hospitality
Coaching

Region

Philippines
United States

Languages

English
Overall Ratings
4.6
190 Reviews
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CDM Direct is an Australian specialist customer experience management (CX) and remote talent staffing solutions company, providing tailored outsourcing to medium to large organizations globally. As part of the TKW Research Group, they offer Contact Centre Outsourcing & C.. Read more about CDM Direct 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
Back-Office Support
Data Entry
Business Operations

Industries

Healthcare
Finance & Accounting
E-commerce

Region

New Zealand
Australia

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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English Call Centre (ECC) specializes in providing English call center services for companies in Europe and non-English-speaking regions, aiming to help them scale and provide superior service to English-speaking customers globally. Their solutions are adaptable and focused.. Read more about English Call Centre services and insights

Services

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

Industries

Media
E-commerce
Home Services
Hospitality

Region

India

Languages

English
Overall Ratings
4
4728 Reviews
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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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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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Callpoint Business Solutions is a leading BPO (Business Process Outsourcing) company providing scalable, professional outsourcing services to businesses across the globe, with a focus on the US, UK, Australia, and Canada. With over seven years of industry experience, they ai.. Read more about Call Point Business Solutions services and insights

Services

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

Industries

Media
Healthcare
Legal
Finance & Accounting
Home Services

Region

Bangladesh
Australia
United States

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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Magenta Business Outsourcing provides complete outsourcing solutions, including lead generation, appointment setting, telemarketing, and customer service. They aim to help businesses scale operations and generate leads effectively by providing a full-fledged call center and.. Read more about Magenta Business Outsourcing services and insights

Services

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

Industries

Real Estate
E-commerce
Media
Home Services
Hospitality

Region

United States
Philippines

Languages

English
Overall Ratings
4.9
61 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
Expand Details
View Profile
Synergy BPO is a global outsourcing firm providing comprehensive Business Process Outsourcing (BPO) and Knowledge Process Outsourcing (KPO) solutions, with a presence in the United States, Central America, and South Asia. Their core expertise lies in customized contact cente.. Read more about Synergy BPO services and insights

Services

Customer Support
Core Service
Inbound & Outbound Call Center
Core Service
Technical Support
Core Service
Lead Generation
Core Service
Email Marketing
Social Media Management
Back-Office Support
Data Entry
Business Operations

Industries

Finance & Accounting

Region

United States
Panama

Languages

English
Overall Ratings
0
0 Reviews
No platform reviews available yet
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HiredSupport is a top customer service outsourcing and BPO company that provides flexible support through Onshore (USA), Nearshore (bilingual English + Spanish), and Offshore models for cost-efficiency and 24/7 coverage. Their services cover all channels, from Live Chat and.. Read more about Hired Support 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
Help Desk Support
Core Service
Back-Office Support
Core Service
Data Entry
Core Service
Virtual Assistant
Lead Generation
Social Media Management

Industries

E-commerce

Region

United States

Languages

English
Spanish
Overall Ratings
0
0 Reviews
No platform reviews available yet
Expand Details
View Profile
FTalent is a leading outsourcing partner specializing in providing high-quality, scalable, and cost-effective customer service solutions and remote professionals from Mexico. The company leverages the advantages of nearshoring, such as a skilled, bilingual workforce, lower c.. Read more about FTalent services and insights

Services

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

Region

Mexico
Canada
United States

Languages

English
Overall Ratings
5
2 Reviews
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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.