# API platform limits
The API platform has the following limits:
| Description | Limit | Notes |
|---|---|---|
| Job timeout for asynchronous API jobs | 240 seconds | NA |
| Job timeout for synchronous API jobs | 30 seconds | NA |
| Request header size (single header) | 16 KB | NA |
| Request headers and url size combined (all headers) | 64 KB | NA |
| Maximum JWKS size | 64 KB | NA |
| Maximum attachment size | 5 GiB | NA |
| Maximum tracer payload | 1 MiB | NA |
| Maximum cache key size | 10 kB | NA |
| Maximum cache entry value size | 10 kB | Requests exceeding this limit do not cache even when successful. Contact your Workato Customer Success Manager to adjust this limit. |
| Maximum cache entry count per user ID | 10,000 entries | If exceeded, entries are flushed, from oldest to newest, to accommodate new entries. To adjust this limit, contact your Workato Customer Success Manager for support. |
| API response and cache limits | 100 KB | NA |
FURTHER READING
Refer to the Platform limits documentation for more information about Workato limits.
Last updated: 10/14/2025, 11:14:55 PM