# List Instruments

**GET /instruments**

List the instruments that are available on the market data API.  If you need instruments that are not listed, feel free to request them via [hallo@melon.markets](mailto:hallo@melon.markets?subject=Request%20New%20Instruments).



## Servers
- Market Data Service: https://api.melon.markets/markets/beta (Market Data Service)



## Parameters




## Responses
### 200
Success

#### Body: application/json (array[object])
- **isin** (string(isin))
  The ISIN identifying the instrument.

### 401
Unauthorized

#### Body: application/json (object)
- **reason** (string)

- **error** (boolean)


### 403
Invalid API Key

#### Body: application/json (object)
- **reason** (string)

- **error** (boolean)


### 429
Too Many Requests
#### Headers
- **Retry-After** (string(number))
  Number of seconds before attempting to send another request. See [RFC 7231](https://www.rfc-editor.org/rfc/rfc7231#section-7.1.3) for more information.

#### Body: application/json (object)
- **reason** (string)

- **error** (boolean)



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