# Finnhub on Onekey

> 5 endpoints for Finnhub (0 stable, 5 beta), 1 to 5 credits each. Category: Finance & markets. 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/finnhub
Reference (Markdown): https://onekey.dev/docs/api/finnhub.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 5 mapped Finnhub endpoints return each:

- `market.symbol` (string): 3
- `author.displayName` (string): 2
- `content.createdAt` (ISO 8601 date): 2
- `content.id` (string): 2
- `content.text` (string): 2
- `content.title` (string): 2
- `content.url` (URL): 2
- `entity.category` (string): 2
- `entity.name` (string): 2
- `media.thumbnailUrl` (URL): 2
- `entity.createdAt` (ISO 8601 date): 1
- `entity.date` (ISO 8601 date): 1
- `entity.url` (URL): 1
- `market.currency` (string): 1
- `market.exchange` (string): 1
- `market.marketCap` (number): 1
- `market.open` (number): 1
- `market.price` (number): 1
- plus 8 platform-specific fields under `ext.`

## Endpoints

### finnhub.company_news

Company news between two dates.
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/finnhub/company_news?symbol=AAPL&from_date=2026-09-20&to_date=2026-09-27` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `symbol` (string, required): Ticker, e.g. AAPL
  - `from_date` (string, required): From YYYY-MM-DD
  - `to_date` (string, required): To YYYY-MM-DD
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.displayName`
- Reference: https://onekey.dev/docs/api/finnhub/company_news.md

### finnhub.market_news

General market news headlines.
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/finnhub/market_news` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category` (string, optional, default general): Category
- Fields returned: `content.id`, `content.title`, `content.text`, `content.url`, `content.createdAt`, `author.displayName`, `media.thumbnailUrl`, `market.symbol`
- Reference: https://onekey.dev/docs/api/finnhub/market_news.md

### finnhub.profile

Company profile (name, exchange, industry, market cap).
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/finnhub/profile?symbol=AAPL` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `symbol` (string, required): Ticker, e.g. AAPL
- Fields returned: `market.symbol`, `entity.name`, `entity.category`, `market.exchange`, `market.currency`, `market.marketCap`, `entity.url`, `media.thumbnailUrl`, `entity.createdAt`, `ext.country`, `ext.sharesOutstanding`
- Reference: https://onekey.dev/docs/api/finnhub/profile.md

### finnhub.quote

Real-time quote for a US ticker.
- Price: 1 credit per fresh call. Status: beta. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/finnhub/quote?symbol=AAPL` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `symbol` (string, required): Ticker, e.g. AAPL
- Fields returned: `market.price`, `market.open`, `entity.date`, `ext.change`, `ext.changePct`, `ext.dayHigh`, `ext.dayLow`, `ext.previousClose`
- Reference: https://onekey.dev/docs/api/finnhub/quote.md

### finnhub.search

Search symbols by name or ticker.
- Price: 5 credits per fresh call. Status: beta. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/finnhub/search?q=apple` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `q` (string, required): Search text
- Fields returned: `market.symbol`, `entity.name`, `entity.category`, `ext.displaySymbol`
- Reference: https://onekey.dev/docs/api/finnhub/search.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/finnhub/profile?symbol=AAPL" \
  -H "x-api-key: YOUR_API_KEY"
```