Add item to guest cart

documented

Add a product to a guest cart.

POST /rest/{store_code}/V1/guest-carts/{cartId}/itemsCartsno implementation yet0 runs

Runs (30 d)

Success rate

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p50 latency

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p95 latency

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Distinct callers

Runs per day

No run in the last 30 days.

Every run is logged with a redacted input and an anonymised output shape. Stages promote automatically: developed after one good run, tested when benchmarks pass, reliable at ≥97% over 30 days across several callers.