Limits & Quotas
Account limits
| Limit | Trial | Paid |
|---|---|---|
| Storage | 1 TB | No limit |
| Egress bandwidth | 2 TB / month | No limit |
| API operations | Unlimited | Unlimited |
| Buckets per account | 100 | 1,000 |
The trial lasts 30 days. After it ends, your account enters a 7-day read-only grace period before data is permanently deleted. See Trial & Billing for the full timeline and email schedule.
Object limits
| Limit | Value |
|---|---|
| Maximum object size | 5 TB |
| Maximum object size (single PUT) | 5 GB |
| Maximum parts per multipart upload | 10,000 |
| Minimum part size (multipart) | 5 MB |
| Maximum part size (multipart) | 5 GB |
| Maximum object key length | 263 bytes |
| Maximum metadata size per object | 2 KB |
For objects larger than 5 GB, use multipart upload.
API rate limits
Rate limits are enforced by the underlying storage gateway. Fil One does not impose additional rate limits on top of these. If you encounter SlowDown or ServiceUnavailable responses, back off with exponential retry. Contact support if you are consistently hitting limits at scale.
Naming constraints
Bucket names:
- 3-63 characters
- Lowercase letters, numbers, hyphens
- Must start and end with a letter or number
- Globally unique
Object keys:
- Up to 263 bytes (UTF-8)
- Any UTF-8 character is valid, but avoid control characters and characters that require special URL encoding for best compatibility