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title: Rate Limits
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---

# Rate Limits

You can call the Einstein Vision and Language APIs as often as you need to create datasets, add examples, and train models. However, there are limits to the number of prediction calls you can make.

Einstein Vision and Language provides two tiers of usage: free and paid. Each tier gives you a specific number of prediction calls. These limits apply only to predictions. A prediction is any POST call to these endpoints:

- `/language/intent`
- `/language/entities`
- `/language/sentiment`

A prediction call includes both predictions made from custom classifiers and predictions made from the pre-built classifiers.

- **Salesforce**—If you signed up for an account using Salesforce, contact your account executive to purchase predictions for Einstein Vision and Language. To add predictions to an existing account, you must provide the organization ID for your Einstein Vision and Language account. To get your Einstein Vision and Language organization ID, call the usage API. See [Get API Usage](/docs/analytics/einstein-vision-language/references).

If you’re not sure what method you used to sign up or if you have any questions, post on the Einstein Platform [developer forum](https://developer.salesforce.com/forums?communityId=09aF00000004HMGIA2#!/feedtype=RECENT&dc=Predictive_Services&criteria=ALLQUESTIONS).

## Monitor Usage

There are two ways you can get your prediction usage information from the Einstein Vision and Language APIs.

- Response headers—headers that contain basic rate limit information are returned by a call to any of the prediction resources. These headers give you a way to monitor your prediction usage as prediction calls are made.
- The `/apiusage` resource—contains detailed information about your limits and prediction usage.

## Rate Limit Headers

Any time you make an API call to the prediction resources, rate limit information is returned in the header. The rate limit headers specify your prediction usage for the current calendar month only.

## Prediction Usage API

If you want to see detailed plan information, make an explicit call to the `/apiusage` resource. See [Get API Usage](/docs/analytics/einstein-vision-language/references).