# Rate limits transcribed from the provider's own documentation — see provenance. Quoted, not derived.
generated: '2026-09-20'
method: searched
source: https://docs.agentmail.to/knowledge-base/rate-limits
sources:
- https://docs.agentmail.to/knowledge-base/rate-limits
provenance:
  tool: planning/api-economics/harvest_ratelimits.py
  run: 20260920T133210
  grounding: every limit_text was found verbatim in the fetched page text
published: true
note: Page gives per-plan monthly sending limits, inbox and custom domain counts (Free 3,000 emails/3
  inboxes; Developer 10,000/10; Startup 150,000/150; Enterprise custom). API rate limits are described
  only qualitatively as 'generous' per organization with no numbers; 429 Too Many Requests with Retry-After
  (usually 1 second) is returned.
limit_count: 3
limits:
- name: Free plan emails per month
  limit_text: Free 3,000 3 None
  limit: 3000
  window: month
  scope: plan
  plan: Free
- name: Developer plan emails per month
  limit_text: Developer 10,000 10 10
  limit: 10000
  window: month
  scope: plan
  plan: Developer
- name: Startup plan emails per month
  limit_text: Startup 150,000 150 150
  limit: 150000
  window: month
  scope: plan
  plan: Startup
headers:
- Retry-After
exceeded_status: 429