# Increase Position Margin

**POST /fund**

Assign additional margin to a position, decreasing the leverage. Only relevant for Isolated Margin users.


## Servers
- https://api.testnet.everstrike.io: https://api.testnet.everstrike.io ()


## Authentication methods
- Api key


## Parameters



### Body: application/x-www-form-urlencoded (object)

- **pair** (string)
  Market of position (e.g. "USD_BTCCALL_PERP")
- **qty** (number)
  Amount of additional margin to assign (denominated in USD)


## Responses
### 200
OK

#### Body: application/json (object)
- **code** (integer)
  Response code
- **msg** (string)
  Diagnostic message
- **result** (object)
  Request result

### 503
Error

#### Body: application/json (object)
- **code** (integer)

- **msg** (string)

- **result** (object)



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