7 api integration interview questions, asked at Stripe, Sierra. Last asked Oct 2026.
Fetch all pages until an empty batchCodingPage through a batched API until it returns an empty batch, collecting every record without fetching forever on errors. Reported on 1point3acres' Sierra bank; reconstructed in our…
Last asked Oct 2026
Build a React interface against an undocumented APICodingWith an AI coding assistant available, build a React interface on top of an API that has no documentation. Work out the endpoints and the shape of their data by exploring them…
Last asked Jun 2026
Assign code reviewers from the files changed between branchesCodingWrite a program that compares two branches of a Git repository (the reported version used the JGit library in Java), collects the files that changed, and assigns reviewers using a…
Replay recorded API requests that carry generated IDsCodingYou get a recording of API requests and a partly working tool that replays them against a server. Fix and finish it: send the requests in order, and when an earlier response…
Last asked Jan 2026
Sync records from a paginated API to a downstream serviceCodingFinish an integration that reads every page of an authenticated, paginated API, filters and transforms the records, and posts them to a downstream service in one batch. The post…
Last asked Dec 2025
Aggregate balance summaries and post a reconciliationCodingAn integration exercise in steps. Parse a JSON balance summary and print it; then read several summary files and aggregate them; then combine the totals with reconciliation data…
Last asked Oct 2024
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Api integration interview questions · Land the Lab