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Limits

Ecommerce Search sets some limits that should help ensure good overall performance. However, if the system is used in such a way that too many of the limits are reached at the same time, it is recommended that the system be re-evaluated and performance load tested to ensure good performance.

Note that Rate Limiting may be triggered if the load is significantly above your agreement.

Name Limit / Recommendation
No of products A request size of around 40 will give good performance if the number of fields to be returned is low. Good performance can be achieved with a larger number of products, but requires more intensive load testing.
SKUs per product Max 20. This is due to the underlying top performing SKUs will be fetched per product.
Product offset Max 10.000 - (No. of products*SKUs per product). Due to this limitation, the Search endpoint cannot be used to export all products. Use the Export endpoint to ensure good performance.

Export

The number of products/SKUs that can be exported per request depends on the amount of data to be returned. However, no more than 1.000 SKUs are allowed per export request.

Ingestion

Name Limit / Recommendation
StringAttributes String attribute values cannot exceed 32.766 bytes. It is highly recommended to use much fewer bytes to ensure good performance. Keys cannot exceed a length of 64 characters.
NumberAttributes Keys cannot exceed a length of 64 characters.
IntervalAttribute Keys cannot exceed a length of 64 characters.
Metadata Metadata cannot exceed 32.766 bytes. It is highly recommended to use much fewer bytes to ensure good performance. Keys cannot exceed a length of 64 characters.
PriceGroups Price groups are limited to 2.500 price groups per segment.
Parameters Max 65.535 parameters globally. However 5-25 parameters should be more than enough for the majority.
Partitions Max 1.000 partitions per parameter.
CommercialParameters The total global amount of commercial parameters should be taken into account, as each value requires processing. Keys cannot exceed a length of 64 characters.

Affinities

Name Limit / Recommendation
Affinity Sources Up to 16 in total.
Product Affinities Should be less than 100 per product, more than this could indicate a misuse. Keys cannot exceed a length of 64 characters.
User Affinities Should be less than 100 per user, more than this could indicate a misuse. Keys cannot exceed a length of 64 characters.
User Affinity Profiles Up to 1.000.000 profiles per segment provides good performance.

Other API Limits

More fine-grained limits are defined in the OpenAPI specification, and using Swagger or the API Swagger reference allows you to see these limits. The limits can be found in the schema section by expanding a model and a field.

Example on CreateParameterModel Schema where it is possible to see limits on the `name` and `parameterId` fields