apiCommons: rate-limits-0.1
info:
  title: E2B Rate Limits and Concurrency
  provider: E2B (e2b-dev)
  description: Sandbox concurrency, session length, and storage limits derived from the published E2B pricing
    page and the Sandbox API.
  sources:
  - https://e2b.dev/pricing
  - https://e2b.dev/docs
  - https://e2b.dev/docs/sandbox
  created: '2026-05-25'
  updated: '2026-05-25'
policies:
- id: sandbox-concurrency-hobby
  scope: account
  plan: hobby
  metric: concurrent_sandboxes
  limit: 20
  description: Maximum running sandboxes at once on the Hobby tier.
- id: sandbox-concurrency-pro
  scope: account
  plan: pro
  metric: concurrent_sandboxes
  limit: 100
  expandableTo: 1100
  description: Maximum running sandboxes at once on Pro; expandable up to 1,100 with purchase.
- id: sandbox-session-hobby
  scope: sandbox
  plan: hobby
  metric: session_length
  limit: 1
  unit: hour
  description: Maximum lifetime per sandbox on Hobby.
- id: sandbox-session-pro
  scope: sandbox
  plan: pro
  metric: session_length
  limit: 24
  unit: hour
  description: Maximum lifetime per sandbox on Pro.
- id: storage-included-hobby
  scope: account
  plan: hobby
  metric: storage_included
  limit: 10
  unit: GiB
  description: Free included storage on Hobby.
- id: storage-included-pro
  scope: account
  plan: pro
  metric: storage_included
  limit: 20
  unit: GiB
  description: Free included storage on Pro.
- id: cpu-minimum
  scope: sandbox
  metric: cpu_count_min
  limit: 1
  description: Minimum vCPU count per sandbox (CPUCount schema minimum in OpenAPI).
- id: memory-minimum
  scope: sandbox
  metric: memory_min
  limit: 128
  unit: MiB
  description: Minimum memory per sandbox (MemoryMB schema minimum in OpenAPI).
- id: pagination-default
  scope: api
  metric: pagination_limit
  default: 100
  maximum: 100
  description: Default and maximum pagination size for E2B list endpoints.
authenticationHeaders:
- name: X-API-Key
  description: SDK and REST API key authentication.
- name: Authorization
  scheme: bearer
  description: CLI/CI access token authentication.
notes:
- Per-operation request-rate limits are not published; enterprise customers can negotiate higher concurrency
  and storage.
- Concurrency is enforced server-side; create-sandbox returns 409 when the team is at its concurrency limit.