Quotas and limits in Yandex Search API
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Updated at January 29, 2026
Yandex Search API has the following limits:
- Quotas are organizational restrictions that can be changed by technical support on request.
- Limits are technical limitations due to Yandex Cloud architectural features. The limits cannot be changed.
Quotas
| Type of limit | Value |
|---|---|
| API v2 | |
| Number of synchronous requests per hour | 10,000 |
| Number of synchronous requests per second | 10 |
| Number of synchronous requests per second to get a generative response | 1 |
| Number of deferred requests per hour | 35,000 |
| Number of deferred requests per second | 10 |
| Number of requests per second for results of a deferred request | 10 |
| Number of requests per hour for search with generative response | 1,000 |
| Number of requests per hour for image search by text description | 10,000 |
| Number of requests per second for image search by text description | 10 |
| Number of requests per hour for image search by image | 36,000 |
| Number of requests per second for image search by image | 10 |
Limits
| Type of limit | Value |
|---|---|
| Number of results returned | Up to 250 |
| Maximum request length | 400 characters |
| Maximum number of words per request | 40 words |
| Minimum processing time for a request in deferred mode | 5 minutes |
| Requests with generative response | |
| Maximum number of websites per request | 5 |
| Maximum number of hosts per request | 5 |
| Maximum number of pages per request | 10 |