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Vuldak

API Development Webinars

Build APIs that actually work in production

Learn from engineers who've shipped mobile apps serving millions of users. Our webinars cover REST and GraphQL implementation, mobile recharge systems integration, and authentication patterns that scale.

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API development session in progress

What you'll actually use

We don't just talk about tools. Every session includes hands-on work with production-grade software and services used by engineering teams worldwide.

Postman API testing interface

Postman & Insomnia

Debug REST endpoints during live sessions. Build collections you'll actually use after the webinar ends.

Most students say this saves them 4-6 hours per week once they understand request chaining and environment variables properly.

Included in all tiers
Mobile app development environment

Mobile app sandboxes

Test your APIs against real iOS and Android clients. See exactly how network requests behave on actual devices with different connection speeds.

We provide configured environments so you spend time learning, not wrestling with build tools.

Premium feature

Documentation generators

Swagger and Redoc integration covered in week three. Generate client SDKs automatically from your OpenAPI specs.

This alone cuts documentation time from days to hours. Students typically deploy their first auto-generated docs within 48 hours of this session.

Session 3 onwards

Auth testing suites

Pre-built OAuth flows and JWT validators you can modify for your needs. No more guessing why tokens aren't working.

We walk through actual mobile recharge API authentication, showing the exact patterns payment processors require.

Security module

Load testing platforms

Apache JMeter and k6 scenarios designed for API endpoints. See how your code handles 100 concurrent users versus 10,000.

One participant found a critical bottleneck during these tests that would've crashed their mobile app on launch day.

Advanced sessions

Monitoring dashboards

Grafana setups that show response times, error rates, and throughput in real-time. Connect them to your test APIs during the webinar.

You'll leave knowing exactly which metrics matter for production APIs and how to track them without enterprise budgets.

Operations track

Pick what fits your schedule

Both options include lifetime access to recordings and code samples. The difference is interaction level and feedback speed.

Self-Paced Access

$89/month
  • All live sessions recorded within 2 hours
  • Complete code repositories and examples
  • Community forum access for questions
  • Monthly office hours with instructors
  • Downloadable API documentation templates
  • Certificate upon completing all modules
Start Learning

Who's teaching this

Both instructors spent years building APIs for companies you've heard of. They've debugged production issues at 3am and know what actually breaks in real systems.

Instructor profile

Henrik Lindström

Backend Architecture

Built payment APIs handling $2M daily transactions for Nordic fintech. Specialized in designing fault-tolerant systems that recover gracefully when third-party services fail.

His mobile recharge integration patterns are used by telecom providers in 7 countries. Prefers PostgreSQL and thinks most caching strategies are overthought.

89 Sessions led
1,240 Students taught
12yr Industry work
Instructor profile

Amara Okonkwo

Mobile Integration Lead

Shipped 14 mobile apps with GraphQL backends across iOS and Android. Knows exactly why your API works in testing but fails when cellular switches from 4G to WiFi.

Previously at companies scaling from 50K to 5M users. She'll show you the mistakes everyone makes with pagination and why offset-based approaches fall apart under load.

67 Workshops run
890 APIs reviewed
9yr Mobile focus

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