A reliable service behaves predictably even when things go wrong: incomplete input, slow or failing dependencies, unexpected external responses. Reliability in Designer comes from validating early, handling errors intentionally, treating external systems defensively, and proving all of it with tests.
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Validation and Error Handling
Where to validate, and how to classify and respond to errors. -
Integration of External Systems
Designing backend calls that fail safely. -
Testing
Proving reliability with repeatable test cases at every level.
Why it matters
An unreliable service turns automation into a liability: failures surface as production incidents instead of handled cases, support has to intervene manually, and stakeholders stop trusting the process to run unsupervised.
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