Fastmail · Rate Limits
Fastmail Rate Limits
Fastmail Rate Limits is the rate-limit profile for Fastmail on the APIs.io network — every limit transcribed verbatim from the provider’s own documentation on 2026-10-14.
It captures 1 rate-limit definition, including website IP throttling — no more than 10,000 requests and 200M of data per 10 minutes.
Tagged areas include Email, Privacy, Security, Business, and Cloud.
1 Limits
Transcribed from the provider's documentation on 2026-10-14 — www.fastmail.com/blog/file-storage-quotas-re-calculated/.
View Source
EmailPrivacySecurityBusinessCloud
Limits
website IP throttling per IP
no more than 10,000 requests and 200M of data per 10 minutes
Sources
- https://www.fastmail.com/blog/file-storage-quotas-re-calculated/
- https://www.fastmail.com/blog/change-in-over-quota-handling/
- https://www.fastmail.com/blog/increased-mailbox-quota-for-accounts/
- https://www.fastmail.com/blog/new-website-throttling-feature-available/
Work with this as data
Every rate limit here is available over the APIs.io API and to AI agents over MCP.