---
title: "Set caption word emphasis"
method: POST
path: "/projects/{projectId}/captions/words/emphasis"
tags: ["Captions and Themes"]
---

# Set caption word emphasis

`POST /projects/{projectId}/captions/words/emphasis`

## Request

- Base URL: `https://blitzreels.com/api/v1`
- URL: `https://blitzreels.com/api/v1/projects/{projectId}/captions/words/emphasis`
- Auth: API key in header `Authorization`

Set caption word emphasis.

## Path parameters

- `projectId` string, required

## Request body

- object
  - `word_ids` string[]
  - `match_text` string
  - `match_pattern` 'numbers' | 'caps' | 'exclamations'
  - `timeline_item_id` string
  - `all` boolean
  - `from_seconds` number
  - `to_seconds` number
  - `emphasis` boolean, required

## Response `200`

Successful response

- object
  - `success` boolean, required
  - `updated_count` number, required
  - `updated_word_ids` string[]
  - `emphasis` boolean
  - `message` string

## Other responses

- `400`: Invalid input data
- `401`: Authorization not provided
- `403`: Insufficient access
- `500`: Internal server error

---

[API](https://skmtc.dev/blitzreels/apis/blitzreels-api.md) · [All operations](https://skmtc.dev/blitzreels/apis/blitzreels-api/llms.txt) · [OpenAPI document](https://skmtc.dev/blitzreels/apis/blitzreels-api/revisions/35608b12471d?raw)