# Dictionary API on Onekey

> 1 endpoint for Dictionary API (1 stable, 0 beta), 1 credit each. Category: Knowledge & reference. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.

Page: https://onekey.dev/platforms/dictionary
Reference (Markdown): https://onekey.dev/docs/api/dictionary.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 1 mapped Dictionary API endpoints return each:

- `content.text` (string): 1
- `content.title` (string): 1
- `content.url` (URL): 1
- `media.audioUrl` (URL): 1
- plus 3 platform-specific fields under `ext.`

## Endpoints

### dictionary.define

English word definitions, phonetics and audio (Free Dictionary API).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/dictionary/define?word=hello` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `word` (string, required): English word
- Fields returned: `content.title`, `content.text`, `media.audioUrl`, `content.url`, `ext.phonetic`, `ext.partOfSpeech`, `ext.example`
- Reference: https://onekey.dev/docs/api/dictionary/define.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/dictionary/define?word=hello" \
  -H "x-api-key: YOUR_API_KEY"
```