Schema Evolution in Financial Data APIs: Versioning Without Breaking Consumers
This story is from 2026-10-15. It is preserved in the archive; the latest stories are on the live feed.
A financial data API can work perfectly today and still break a downstream service tomorrow. Imagine an API that returns a credit account as JSON: { "account_id" : "acc_1024" , "balance" : "12500.00" , "currency" : "INR" , "status" : "active" } A consumer service reads balance , converts it into a…
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- 2026-10-15 10:23 · DEV Community — AI
Schema Evolution in Financial Data APIs: Versioning Without Breaking Consumers