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title: External Data API Limits
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locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/analytics/bi-dev-guide-ext-data/guides/concept/bi-ext-data-limits.md
canonical_url: https://developer.salesforce.com/docs/analytics/bi-dev-guide-ext-data/guide/bi-ext-data-limits.html
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  - Analytics External Data API Developer Guide
  - analytics
---

# External Data API Limits

When working with the External Data API, consider the following limits, in addition to the general CRM Analytics limits.

| Value                                                                                        | Limit                                     |
| -------------------------------------------------------------------------------------------- | ----------------------------------------- |
| Maximum file size per external data uploads                                                  | 40 GB                                     |
| Maximum file size for all external data uploads in a rolling 24-hour period                  | 50 GB                                     |
| Maximum number of external data jobs per dataset that can be run in a rolling 24-hour period | 50                                        |
| Maximum number of characters in a field                                                      | 32,000                                    |
| Maximum number of fields in a record                                                         | 5,000 (including up to 1,000 date fields) |
| Maximum number of characters for all fields in a record                                      | 400,000                                   |

For more information on limits for all supported editions, see External Data Limits in [CRM Analytics Limits](https://help.salesforce.com/s/articleView?id=analytics.bi_limits.htm&type=5).