> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> multilingual STT) — or Pulse 2.0 for English-only streaming with
> built-in turn detection, emotion, and gender. Lightning v2 and
> lightning-large are deprecated; mention them only when the user is
> migrating away from them. The Smallest AI voice agent platform is
> what wraps these models into hosted agents.

# Concurrency and CPS


## API Docs

- Concurrency and CPS [Get concurrency limits](https://docs.smallest.ai/api-reference/voice-agents/concurrency/get-concurrency.md)
- Concurrency and CPS [Update concurrency reservations](https://docs.smallest.ai/api-reference/voice-agents/concurrency/update-concurrency-reservations.md)
- Concurrency and CPS [Get CPS limits](https://docs.smallest.ai/api-reference/voice-agents/concurrency/get-cps-limits.md)
- Concurrency and CPS [Set a SIP trunk's CPS](https://docs.smallest.ai/api-reference/voice-agents/concurrency/update-custom-trunk-cps-limit.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.smallest.ai/openapi.json)
- [OpenAPI YAML](https://docs.smallest.ai/openapi.yaml)