#dataweave

Our API had 14 endpoints and 14 different error response formats. The mobile team spent 3 days...

A customer typed "" in their notes field. It broke 200 XML orders and I spent 3 hours finding a...

A compliance audit found SSN values 4 levels deep in our API responses last year. One recursive...

I connected MuleSoft to GPT-4o last quarter for a support ticket classifier. The prompt builder...

Our bulk import API returned 200 OK on every request. Nobody noticed that 40% of records were failing...

I connected a MuleSoft API to an LLM last quarter for a support ticket classifier. The API call was...

I built a schema discovery function for a 6-system integration last year. Each source sent different...

I replaced a 40-line if/else chain with 4 match/case lines last month. Then I forgot the else clause...

I spent 2 days building a 3-level sales report in DataWeave. Region to country to product, with...

I maintained a shared DataWeave utility library across 12 Mule apps for 2 years. Functions like topN,...

I had 12 tenants sending the same data in 12 different field names. Instead of writing 12 transforms,...

TL;DR Your fun declaration works inline but breaks with "Unable to resolve reference" when moved to...