# Cartesia Infill API

**Canonical:** https://apis.io/apis/cartesia-ai/cartesia-ai-infill-api/  
**Provider:** Cartesia — https://apis.io/providers/cartesia-ai/  
**Base URL:** https://api.cartesia.ai  
**Documentation:** https://docs.cartesia.ai/api-reference/tts/bytes

Cartesia Infill API is one of 21 APIs that [Cartesia](https://apis.io/providers/cartesia-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Infill. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Generate audio that smoothly connects two existing audio segments.

## Machine-readable artifacts (15)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/cartesia-ai/refs/heads/main/openapi/cartesia-ai-infill-api-openapi.yml
- **Documentation** — https://docs.cartesia.ai/build-with-cartesia/tts-models/latest
- **APIReference** — https://docs.cartesia.ai/api-reference/tts/bytes
- **Documentation** — https://docs.cartesia.ai/build-with-cartesia/stt/latest
- **APIReference** — https://docs.cartesia.ai/api-reference/stt/transcribe
- **APIReference** — https://docs.cartesia.ai/api-reference/voices/list
- **APIReference** — https://docs.cartesia.ai/api-reference/voice-changer/bytes
- **APIReference** — https://docs.cartesia.ai/api-reference/infill/bytes
- **APIReference** — https://docs.cartesia.ai/api-reference/datasets/list
- **APIReference** — https://docs.cartesia.ai/api-reference/pronunciation-dicts/list
- **APIReference** — https://docs.cartesia.ai/api-reference/api-keys/list
- **Documentation** — https://docs.cartesia.ai/api-reference/auth/access-token
- **APIReference** — https://docs.cartesia.ai/api-reference/agents/agents/list
- **APIReference** — https://docs.cartesia.ai/api-reference/usage/credits
- **APIReference** — https://docs.cartesia.ai/api-reference/usage/agents

## Other Cartesia APIs (12)

- [Cartesia TTS WebSocket API](https://apis.io/apis/cartesia-ai/cartesia-ai-tts-websocket-api/)
- [Cartesia STT WebSocket API](https://apis.io/apis/cartesia-ai/cartesia-ai-stt-websocket-api/)
- [Cartesia Agents API](https://apis.io/apis/cartesia-ai/cartesia-ai-agents-api/)
- [Cartesia API Keys API](https://apis.io/apis/cartesia-ai/cartesia-ai-api-keys-api/)
- [Cartesia Auth API](https://apis.io/apis/cartesia-ai/cartesia-ai-auth-api/)
- [Cartesia Calls API](https://apis.io/apis/cartesia-ai/cartesia-ai-calls-api/)
- [Cartesia Datasets API](https://apis.io/apis/cartesia-ai/cartesia-ai-datasets-api/)
- [Cartesia Deployments API](https://apis.io/apis/cartesia-ai/cartesia-ai-deployments-api/)
- [Cartesia Knowledge Base API](https://apis.io/apis/cartesia-ai/cartesia-ai-knowledge-base-api/)
- [Cartesia Metrics API](https://apis.io/apis/cartesia-ai/cartesia-ai-metrics-api/)
- [Cartesia Phone Numbers API](https://apis.io/apis/cartesia-ai/cartesia-ai-phone-numbers-api/)
- [Cartesia Pronunciation Dictionaries API](https://apis.io/apis/cartesia-ai/cartesia-ai-pronunciation-dictionaries-api/)

## Tags

Infill

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cartesia-ai/cartesia-ai-infill-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cartesia-ai/.