Create Short Position

curl -X POST "https://api.strike.markets/short" \
  -H "X-API-Key: stk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "margin": "100.0",
    "leverage": 10,
    "symbol": "BTC-USD"
  }'

const response = await fetch('https://api.strike.markets/short', {
  method: 'POST',
  headers: {
    'X-API-Key': 'stk_your_api_key_here',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    margin: "100.0",
    leverage: 10,
    symbol: "BTC-USD"
  })
});

const data = await response.json();
console.log('Short position created:', data);

import requests

response = requests.post(
    'https://api.strike.markets/short',
    headers={
        'X-API-Key': 'stk_your_api_key_here',
        'Content-Type': 'application/json'
    },
    json={
        'margin': '100.0',
        'leverage': 10,
        'symbol': 'BTC-USD'
    }
)

data = response.json()
print('Short position created:', data)

{
  "success": true,
  "message": "Short position created successfully",
  "txHash": "0x1234567890abcdef1234567890abcdef12345679",
  "gasUsed": 180000,
  "positionId": 12346,
  "symbol": "BTC-USD",
  "szi": "-0.002217",
  "margin": "100.0",
  "entryPrice": "45123.50",
  "liquidationPrice": "49012.85",
  "status": "open",
  "createdAt": "2024-01-15T14:30:00Z",
  "spread": "5.25"
}

POST

short

curl -X POST "https://api.strike.markets/short" \
  -H "X-API-Key: stk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "margin": "100.0",
    "leverage": 10,
    "symbol": "BTC-USD"
  }'

const response = await fetch('https://api.strike.markets/short', {
  method: 'POST',
  headers: {
    'X-API-Key': 'stk_your_api_key_here',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    margin: "100.0",
    leverage: 10,
    symbol: "BTC-USD"
  })
});

const data = await response.json();
console.log('Short position created:', data);

import requests

response = requests.post(
    'https://api.strike.markets/short',
    headers={
        'X-API-Key': 'stk_your_api_key_here',
        'Content-Type': 'application/json'
    },
    json={
        'margin': '100.0',
        'leverage': 10,
        'symbol': 'BTC-USD'
    }
)

data = response.json()
print('Short position created:', data)

{
  "success": true,
  "message": "Short position created successfully",
  "txHash": "0x1234567890abcdef1234567890abcdef12345679",
  "gasUsed": 180000,
  "positionId": 12346,
  "symbol": "BTC-USD",
  "szi": "-0.002217",
  "margin": "100.0",
  "entryPrice": "45123.50",
  "liquidationPrice": "49012.85",
  "status": "open",
  "createdAt": "2024-01-15T14:30:00Z",
  "spread": "5.25"
}

curl -X POST "https://api.strike.markets/short" \
  -H "X-API-Key: stk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "margin": "100.0",
    "leverage": 10,
    "symbol": "BTC-USD"
  }'

const response = await fetch('https://api.strike.markets/short', {
  method: 'POST',
  headers: {
    'X-API-Key': 'stk_your_api_key_here',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    margin: "100.0",
    leverage: 10,
    symbol: "BTC-USD"
  })
});

const data = await response.json();
console.log('Short position created:', data);

import requests

response = requests.post(
    'https://api.strike.markets/short',
    headers={
        'X-API-Key': 'stk_your_api_key_here',
        'Content-Type': 'application/json'
    },
    json={
        'margin': '100.0',
        'leverage': 10,
        'symbol': 'BTC-USD'
    }
)

data = response.json()
print('Short position created:', data)

{
  "success": true,
  "message": "Short position created successfully",
  "txHash": "0x1234567890abcdef1234567890abcdef12345679",
  "gasUsed": 180000,
  "positionId": 12346,
  "symbol": "BTC-USD",
  "szi": "-0.002217",
  "margin": "100.0",
  "entryPrice": "45123.50",
  "liquidationPrice": "49012.85",
  "status": "open",
  "createdAt": "2024-01-15T14:30:00Z",
  "spread": "5.25"
}

Overview

Create a short position on Strike Protocol with specified margin and leverage. A short position profits when the asset price decreases.

This endpoint requires authentication with a valid API key.

Authentication

Include your API key in the X-API-Key header:

X-API-Key: stk_your_api_key_here

Request Body

string

required

Margin amount in USD. Must be a positive number as a string.Minimum: 1 USD equivalent
Example: “100.0”

integer

required

Leverage multiplier for the position.Range: 1 to 1000
Example: 10

string

required

Trading pair symbol.Supported values: “BTC-USD”, “ETH-USD”, “SOL-USD”
Example: “BTC-USD”

Response Fields

boolean

Indicates if the position was created successfully

integer

Unique identifier for the created position

string

Blockchain transaction hash for the position creation

string

Margin amount used for the position

integer

Leverage multiplier applied

string

Total position size (margin × leverage)

string

Price at which the position was opened

string

Price at which the position will be liquidated

Error Responses

object

Invalid request parameters or insufficient balance

{
  "error": 400,
  "message": "Insufficient balance for margin requirement"
}

object

Missing or invalid authentication token

{
  "error": 401,
  "message": "Authorization header missing"
}

object

Rate limit exceeded (10 requests per minute for trading endpoints)

{
  "error": "RATE_LIMIT_EXCEEDED",
  "message": "Rate limit exceeded. Please wait 45 seconds.",
  "retry_after": 45
}

Next Steps

After creating a short position:

Monitor Position - Use Get Positions to track your position
Check Dashboard - View comprehensive data with Dashboard
Close Position - Manually close with Close Position
Emergency Exit - Use Emergency Exit if needed

Short positions carry unlimited loss potential and require careful risk management. Monitor positions closely and consider using stop losses.

Short positions are suitable when you expect the asset price to decrease. Consider using lower leverage for short positions due to their higher risk profile.

Authorizations

X-API-Key

string

header

required

Strike Protocol API key authentication

Body

application/json

margin

string

required

Margin amount in USD

leverage

integer

required

Leverage multiplier (1-1000)

Required range: 1 <= x <= 1000

symbol

string

required

Market symbol (e.g., BTC-USD)

Response

Position created successfully

success

boolean

positionId

integer

txHash

string

margin

string

leverage

integer

size

string

entryPrice

string

liquidationPrice

string

Create Long Position Close Position

Getting Started

API Key Management

Trading Operations

Account Management

Position Management

Data & Analytics

Overview

Authentication

Request Body

Response Fields

Error Responses

Next Steps

Authorizations

Body

Response

​Overview

​Authentication

​Request Body

​Response Fields

​Error Responses

​Next Steps

Authorizations

Body

Response

Overview

Authentication

Request Body

Response Fields

Error Responses

Next Steps