---
title: "Add TTS usage"
method: POST
path: "/liteforms/add_tts_usage"
tags: ["Liteforms"]
---

# Add TTS usage

`POST /liteforms/add_tts_usage`

Adds time to the user's account by incrementing the number of seconds of TTS usage. Be sure to throttle this endpoint by only calling every 5 seconds or so.

## Request body

- LiteformsAddTTSUsageBody
  - `seconds` number, required — The number of seconds of TTS usage
  - `characters` number — The number of characters of TTS usage

## Response `200`

Successful response

- LiteformsAddTTSUsageResponse
  - `seconds` number, required — The total number of seconds of TTS usage
  - `usage` object, required
    - `totalSeconds` number, required — The number of seconds of usage so far.
    - `totalSecondsRemaining` number, required — The number of seconds remaining. Once this value equals zero, the rest of the API calls will fail.
    - `totalGPTTokens` number, required — The number of GPT tokens used so far.
    - `totalSTTSeconds` number, required — The number of STT seconds used so far.
    - `totalTTSSeconds` number — The number of TTS seconds used so far.
    - `totalTTSChars` number, required — The number of TTS characters used so far.
    - `totalImagesCreated` number, required — The number of images created.
    - `startedAt` string, date-time, required — The date the usage period started.
    - `resetsAt` string, date-time, required — The date the usage period will reset.

## Other responses

- `401` — Invalid authentication credentials.
- `408` — The server timed out waiting for the request.
- `412` — Usage has exceeded the monthly limit.
- `500` — An unspecified error occurred.

---

[API](https://skmtc.dev/blocks/apis/looking-glass-api.md) · [All operations](https://skmtc.dev/blocks/apis/looking-glass-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/blocks/looking-glass-api/revisions/c79a9a0e44b0/schema)