Image Search enforces the following limits. To request a limit increase for adjustable limits, submit a ticket or email imagesearch-support@alibaba-inc.com.
Maximum image capacity of each instance
Set the maximum image capacity for an instance at purchase time. The available capacity options are:
| Capacity |
|---|
| 0.1 million images |
| 2.5 million images |
| 5 million images |
| 10 million images |
| 20 million images |
| 30 million images |
| 40 million images |
| 50 million images |
This is an adjustable limit. To increase capacity, submit a ticket or email imagesearch-support@alibaba-inc.com.
Concurrency limit
The following limits apply per instance. Image Search enforces throttling when any of these limits are exceeded.
| Operation | Default limit | Configurable? |
|---|---|---|
| Query (search) | 5 or 10 queries per second (QPS) | Yes — select on the buy page using the Queries/sec parameter |
| Add images | 5 requests/second | Yes — submit a ticket to increase |
| Delete images | 20 requests/second | Yes — submit a ticket to increase |
Images
The following limits apply to product image searches and generic image searches.
| Requirement | Limit |
|---|---|
| Minimum dimensions | 100 x 100 pixels |
| Maximum dimensions | 4,096 x 4,096 pixels |
| Maximum file size | 4 MB |
| Supported formats | PNG, JPG, JPEG, BMP, GIF, WEBP, TIFF, PPM |
Maximum length of each API request body
For HTTP POST requests, the request body cannot exceed 8 MB.
Maximum returned results of each request
Each request returns a maximum of 100 results. With pagination, you can retrieve up to the top 500 matched results across multiple requests.