---
title: "Infill (Bytes)"
method: POST
path: "/infill/bytes"
tags: ["Infill"]
---

# Infill (Bytes)

`POST /infill/bytes`

Generate audio that smoothly connects two existing audio segments

## Headers

- `Cartesia-Version` '2026-03-01', date, required

## Response `200`

Audio bytes

---

[API](https://skmtc.net/cartesia/apis/cartesia-api.md) · [All operations](https://skmtc.net/cartesia/apis/cartesia-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cartesia/cartesia-api/revisions/8910812440d3/schema)