Glossary

Core terms for working with the platform.

A quick language layer for credits, tasks, keys, webhooks, and the main voice or image routes.

API Key

A secret token used to authenticate requests to the CheapAI API. Keys use the sk_ prefix.

Base URL

The root URL for API requests. CheapAI uses https://api.cheapaiapi.com as the unified public API base.

Task

An asynchronous job created by generation endpoints. You can poll the task endpoint or receive a webhook when it completes.

Webhook

A callback URL that CheapAI can POST to when a task completes or fails.

TTS

Text-to-Speech. Converts text into spoken audio using a selected voice.

STT

Speech-to-Text. Converts uploaded audio into transcripts, subtitles, or structured transcript data.

Voice Cloning

Creating a reusable custom voice from a source recording.

Voice Changer

Transforming a recorded voice into another target voice.

Voice Isolation

Separating the main vocal track from background sound or noise.

Dubbing

Replacing speech in an audio file with a target language or rendered voice output.

Sound Effect

An audio clip generated from a text prompt, such as ambience or impacts.

Music Generation

Generating music tracks from prompts, lyrics, or style guidance.

Image Generation

Creating one or more images from a prompt, optionally with reference assets and model parameters.

Daily Spend Limit

An optional per-key cap that limits how much a specific API key can spend in a day.

Expiration Date

An optional timestamp after which an API key automatically stops working.

Credits

Prepaid balance used to pay for tasks on the platform.

Prompt

The input text or instructions given to guide generation.

Rate Limit

Service-side protection that may temporarily reject traffic when requests are too aggressive.