spec: API Commons Rate Limits 0.1
provider: Rev AI
providerId: rev-ai
created: 2026-06-12
modified: 2026-06-12
url: https://docs.rev.ai/faq

retryAfter: true
throttledStatusCode: 429

limits:
  - name: Asynchronous API Submission Rate
    description: Maximum number of transcription requests submitted via the asynchronous jobs endpoint per 10-minute window.
    scope: per account
    endpoint: POST /speechtotext/v1/jobs
    limit: 10000
    unit: requests
    period: 10 minutes

  - name: Asynchronous API Processing Rate
    description: Maximum number of transcriptions actively processed per 10-minute window. Excess submissions are queued and processed as capacity becomes available.
    scope: per account
    limit: 500
    unit: transcriptions processed
    period: 10 minutes

  - name: Multipart Upload File Size
    description: Maximum file size for multipart/form-data uploads to the jobs endpoint.
    scope: per request
    endpoint: POST /speechtotext/v1/jobs (multipart)
    limit: 2
    unit: GB

  - name: Source URL File Size
    description: Maximum file size when submitting a job via source_config URL reference.
    scope: per request
    limit: 5
    unit: TB

  - name: Maximum Audio Duration
    description: Maximum duration of a single audio file submitted for transcription. Files longer than this should be split into chunks.
    scope: per job
    limit: 17
    unit: hours

  - name: Multipart Upload Concurrency
    description: Maximum number of simultaneous file upload requests to the jobs endpoint.
    scope: per account
    endpoint: POST /speechtotext/v1/jobs (multipart)
    limit: 5
    unit: concurrent requests
    errorCode: 4029

  - name: Streaming Concurrency
    description: Maximum number of concurrent WebSocket streaming connections. Returns error 4029 when limit is reached; no queuing occurs. Limit is configurable by contacting Rev AI support.
    scope: per account
    endpoint: wss://api.rev.ai/speechtotext/v1/stream
    limit: 10
    unit: concurrent streams
    errorCode: 4029
    configurable: true

  - name: Streaming Session Duration
    description: Maximum duration of a single WebSocket streaming session. New connections should be initialized before this limit is reached to ensure continuity.
    scope: per stream
    limit: 3
    unit: hours

  - name: Access Tokens
    description: Maximum number of active API access tokens per account.
    scope: per account
    limit: 2
    unit: tokens

  - name: Job Retention
    description: Transcription jobs and their results are retained on Rev AI servers for up to 30 days after completion.
    scope: per job
    limit: 30
    unit: days