# Coinbase on Onekey

> 12 endpoints for Coinbase (12 stable, 0 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/coinbase
Reference (Markdown): https://onekey.dev/docs/api/coinbase.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 12 mapped Coinbase endpoints return each:

- `entity.category` (string): 6
- `entity.id` (string): 6
- `market.price` (number): 6
- `entity.date` (ISO 8601 date): 5
- `market.symbol` (string): 4
- `entity.name` (string): 3
- `market.ask` (number): 2
- `market.bid` (number): 2
- `market.volume24h` (number): 2
- `entity.type` (string): 1
- `market.close` (number): 1
- `market.high` (number): 1
- `market.low` (number): 1
- `market.open` (number): 1
- `market.volume` (number): 1
- plus 18 platform-specific fields under `ext.`

## Endpoints

### coinbase.book

Top-of-book (level 1) for an Exchange product.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/book?product=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
- Fields returned: `entity.id`, `market.bid`, `market.ask`, `entity.date`, `ext.bestBidSize`, `ext.bestAskSize`
- Reference: https://onekey.dev/docs/api/coinbase/book.md

### coinbase.buy_price

Coinbase buy price for a currency pair (v2 public prices).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/buy_price?pair=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `pair` (string, required): Currency pair, e.g. BTC-USD
- Fields returned: `market.symbol`, `entity.category`, `market.price`
- Reference: https://onekey.dev/docs/api/coinbase/buy_price.md

### coinbase.candles

Candles for an Exchange product (granularity in seconds).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/coinbase/candles?product=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
  - `granularity` (string, optional, default 3600): Seconds per candle
- Fields returned: `entity.date`, `market.open`, `market.high`, `market.low`, `market.close`, `market.volume`
- Reference: https://onekey.dev/docs/api/coinbase/candles.md

### coinbase.currencies

Fiat currencies supported by Coinbase (id, name, min size).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/coinbase/currencies` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `entity.id`, `entity.name`, `ext.minSize`
- Reference: https://onekey.dev/docs/api/coinbase/currencies.md

### coinbase.currency

Currency details (precision, network confirmations) on Coinbase Exchange.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/currency?currency=btc` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `currency` (string, required): Currency code, e.g. BTC
- Fields returned: `entity.id`, `entity.name`, `entity.category`, `entity.type`, `market.symbol`, `ext.minSize`, `ext.maxPrecision`, `ext.networkConfirmations`
- Reference: https://onekey.dev/docs/api/coinbase/currency.md

### coinbase.product

Trading pair details (increments, status) for an Exchange product.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/product?product=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
- Fields returned: `entity.id`, `entity.name`, `entity.category`, `ext.baseCurrency`, `ext.quoteCurrency`, `ext.quoteIncrement`, `ext.baseIncrement`, `ext.minMarketFunds`, `ext.tradingDisabled`
- Reference: https://onekey.dev/docs/api/coinbase/product.md

### coinbase.sell_price

Coinbase sell price for a currency pair (v2 public prices).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/sell_price?pair=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `pair` (string, required): Currency pair, e.g. BTC-USD
- Fields returned: `market.symbol`, `entity.category`, `market.price`
- Reference: https://onekey.dev/docs/api/coinbase/sell_price.md

### coinbase.spot

Coinbase spot price for a currency pair (v2 public prices).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/spot?pair=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `pair` (string, required): Currency pair, e.g. BTC-USD
- Fields returned: `market.symbol`, `entity.category`, `market.price`
- Reference: https://onekey.dev/docs/api/coinbase/spot.md

### coinbase.stats

24h stats (open/high/low/last/volume) for an Exchange product.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/stats?product=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
- Fields returned: `market.price`, `market.volume24h`, `ext.open24h`, `ext.high24h`, `ext.low24h`, `ext.volume30d`
- Reference: https://onekey.dev/docs/api/coinbase/stats.md

### coinbase.ticker

Latest ticker for an Exchange product (e.g. BTC-USD).
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/ticker?product=btc-usd` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
- Fields returned: `entity.id`, `market.price`, `market.bid`, `market.ask`, `market.volume24h`, `entity.date`, `ext.lastSize`
- Reference: https://onekey.dev/docs/api/coinbase/ticker.md

### coinbase.time

Coinbase server time.
- Price: 1 credit per fresh call. Status: stable. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/coinbase/time` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `entity.date`, `ext.epoch`
- Reference: https://onekey.dev/docs/api/coinbase/time.md

### coinbase.trades

Latest trades for an Exchange product.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/coinbase/trades?product=btc-usd&limit=10` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product` (string, required): Product id, e.g. BTC-USD
  - `limit` (string, optional, default 50): Rows (1-100)
- Fields returned: `entity.id`, `market.price`, `entity.category`, `entity.date`, `ext.size`
- Reference: https://onekey.dev/docs/api/coinbase/trades.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/coinbase/book?product=btc-usd" \
  -H "x-api-key: YOUR_API_KEY"
```