# Rate limits transcribed from the provider's own documentation — see provenance. Quoted, not derived.
generated: '2026-09-20'
method: searched
source: https://developers.telnyx.com/docs/messaging/messages/rate-limiting
sources:
- https://developers.telnyx.com/docs/messaging/messages/rate-limiting
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 covers message delivery throughput (not HTTP API request limits). Also lists 10DLC carrier
  throughput tables (AT&T TPM per message class, T-Mobile daily brand caps) and max queue lengths; queue-full
  returns error code 40318, no HTTP status given.
limit_count: 7
limits:
- name: Account SMS throughput
  limit_text: 50 messages/second
  limit: 50
  window: second
  scope: account
  endpoint: SMS
- name: Account MMS throughput
  limit_text: 15 messages/second
  limit: 15
  window: second
  scope: account
  endpoint: MMS
- name: Account RCS throughput
  limit_text: 1 message/second
  limit: 1
  window: second
  scope: account
  endpoint: RCS
- name: Long Code sender rate
  limit_text: 0.1 MPS
  limit: 0.1
  window: second
  scope: endpoint
  endpoint: Long Code (per Number)
- name: Toll-Free sender rate
  limit_text: 20 MPS
  limit: 20
  window: second
  scope: endpoint
  endpoint: Toll-Free (per Number)
- name: Short Code sender rate
  limit_text: 1,000 MPS
  limit: 1000
  window: second
  scope: endpoint
  endpoint: Short Code (per Number)
- name: Alphanumeric sender rate
  limit_text: 0.1 MPS
  limit: 0.1
  window: second
  scope: endpoint
  endpoint: Alphanumeric (per Sender ID)