Bulk volume upload saves 90% of API cost vs one-at-a-time lookups

Bulk volume upload saves 90% of API cost vs one-at-a-time lookups
Tactic comparison on cost, not accuracy. Pulling volume for 10,000 keywords, two ways.
— Bulk endpoint (batched 1K/call): ▇ ~10 calls, lowest credit burn
— Single lookups (one keyword per call): ▇▇▇▇▇▇▇▇▇▇ 10,000 calls, 50-100x the cost
— Bulk returns volume + KD but often skips SERP features per term
— Single lookups give full SERP context you sometimes need
So what: bulk-pull volume and difficulty for the whole list first, filter down to a shortlist, then spend single-lookup calls only on finalists. Most teams burn their credit budget doing the reverse.
Benchmark of the week: a disciplined funnel (bulk filter then spot-check) cuts keyword-research API spend roughly 85% versus full single-lookup enrichment.