Riken ScraperDocs

Response headers

Headers we send back and when.

headerwhen
X-Request-Idevery answer. Quote it when you report a problem.
Retry-Afteron 429, 503 search_unavailable and 409 idempotency_conflict: seconds to wait
Idempotent-Replay: truea stored answer replayed for an Idempotency-Key
X-Search-Regionkeyword search answers: US or CA, where the page was searched from

Job exports also answer 202 with Location and Retry-After: 5 while they build. See Jobs and export.