name: Bandwidth API Rate Limits
specification: API Commons Rate Limits
specificationVersion: '0.1'
schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/RateLimits
provider: Bandwidth
providerId: bandwidth
created: '2026-05-04'
# Provenance stamped 2026-08-11: this artifact was written by the API Evangelist
# bulk sweep dated 2026-05-04, not harvested from the provider. See roadmap#35.
method: generated
modified: '2026-05-04'
reconciled: true
tags:
  - Rate Limiting
  - Communications
description: Bandwidth API rate limits per account.
sources:
  - https://www.bandwidth.com/pricing/
  - https://dev.bandwidth.com/docs/api/messaging/rate-limits
headers:
  retryAfter: Retry-After
responseCodes:
  throttled: 429
limits:
  - name: Messaging API (default)
    scope: account
    metric: messages_per_second
    limit: 10
    timeFrame: second
  - name: Voice API
    scope: account
    metric: calls_per_second
    limit: 10
    timeFrame: second
  - name: Concurrent calls
    scope: account
    metric: concurrent
    limit: configurable per account