# Blog

Get the latest news on how products at WunderGraph are built, technologies are used, and join the teams helping to build a better landscape of API integration.

Case study **GraphQL Federation Schema Changes: From Months to Days with Hub**  
Schema changes went from 9 weeks to days after this enterprise team adopted Hub for their 60+ subgraph federation setup.  
  
Jens Neuse  
CEO & Co-Founder at WunderGraph  
March 30, 2026·7min read
[Read more](/content/blog/graphql-federation-schema-collaboration-case-study/index.html)

Case study **From 10+ Seconds to Under One: Solving Their Slowest Operation**  
A personal finance marketplace reduced planning latency by roughly 90–95 percent and made its slowest queries 12–18× faster after replacing an aging Apollo Gateway with WunderGraph Cosmo and enabling the Cache Warmer.  
  
Brendan Bondurant  
Content Manager  
November 21, 2025·6min read
[Read more](/content/blog/casestudy-anon-10-sec-to-under-1/index.html)

Case study **Acoustic saves $178K in engineering costs with WunderGraph Cosmo**  
Acoustic cut $178K in costs and complexity by replacing Rust plugins and brittle rollbacks with Cosmo’s schema-aware router and visual tooling.  
  
Brendan Bondurant  
Content Manager  
August 31, 2025·6min read
[Read more](/content/blog/cosmo_case_study_acoustic/index.html)

Case study **The Architecture Behind 40 Deploys a Day at Luxury Presence**  
Luxury Presence scaled faster and simplified architecture by replacing BFFs with GraphQL Federation using WunderGraph Cosmo's unified API platform.  
  
Brendan Bondurant  
Content Manager  
July 21, 2025·6min read
[Read more](/content/blog/cosmo-casestudy-luxury-presence/index.html)

Case study **Safeguarding APIs: How K Health Ensures Security While Scaling with Cosmo**  
K Health streamlined its API architecture with GraphQL Federation and Cosmo, enhancing security, scalability, and collaboration across teams.  
  
Brendan Bondurant  
Content Manager  
March 10, 2025·6min read
[Read more](/content/blog/cosmo_case_study_khealth/index.html)

Case study **SoundCloud and WunderGraph Cosmo Cut Computing Costs by 86%**  
SoundCloud cut GraphQL federation compute 86% and query latency 45% migrating from BFF patterns to WunderGraph Cosmo — saving an estimated $265,000 annually.  
  
Brendan Bondurant  
Content Manager  
March 3, 2025·6min read
[Read more](/content/blog/cosmo_case_study_soundcloud/index.html)

Case study **From Custom Code to Cutting-Edge: On The Beach Adopts WunderGraph Cosmo for GraphQL Federation**  
UK travel giant On The Beach replaced their custom GraphQL Federation with WunderGraph Cosmo, improving performance, observability, and developer velocity.  
  
Stefan Avram & Brendan Bondurant  
Co-Founder at WunderGraph · Content Manager  
February 2, 2025·12min read
[Read more](/content/blog/cosmo_case_study_on_the_beach/index.html)

Case study **How Monkey Factory Uses WunderGraph Cosmo for Federated GraphQL and Event-Driven Subscriptions**  
Monkey Factory moved off Apollo Studio to WunderGraph Cosmo for GraphQL Federation and event-driven subscriptions (EDFS) over NATS, powering real-time mobility data.  
  
Stefan Avram  
Co-Founder at WunderGraph  
April 21, 2024·4min read
[Read more](/content/blog/cosmo_case_study_monkey_factory/index.html)

Case study **How PemPem Accelerates Product Development with a Custom GraphQL Federation Approach**  
PemPem scaled faster by migrating to Cosmo—gaining GraphQL Federation, endpoint control, and full observability in a single, secure router.  
  
Stefan Avram  
Co-Founder at WunderGraph  
February 27, 2024·4min read
[Read more](/content/blog/cosmo_case_study_pempem/index.html)

Case study **How TravelPass Group manages PCI compliance with GraphQL and WunderGraph Cosmo**  
Discover how TravelPass Group ensures PCI compliance and secure GraphQL usage at scale with WunderGraph Cosmo’s self-hosted router and namespace filtering.  
  
Stefan Avram  
Co-Founder at WunderGraph  
February 11, 2024·5min read
[Read more](/content/blog/cosmo_case_study_travel_pass/index.html)

Case study **Why SoundtrackYourBrand Switched From Apollo to Cosmo**  
Soundtrack Your Brand migrated from Apollo to Cosmo in one day—gaining faster complex queries, flexible deployment, cost savings, and schema fixes Apollo missed.  
  
Stefan Avram  
Co-Founder at WunderGraph  
February 4, 2024·7min read
[Read more](/content/blog/cosmo_case_study_styb/index.html)