How to buy contract for Higher/Lower

Hello, kindly explain how to place how to place an order for Higher/Lower call or put contract types. I am conversant with the way to place a price proposal and then using the id from it to buy a contract, but how do you specify the offset barrier in the parameters for the buy call? I really appreciate your answers.


  • A sample json explaining it would be appreciated.

  • Solved it, here is a sample price proposal request for Higher CALL contract type
    "proposal": 1,
    "amount": "100",
    "basis": "payout",
    "contract_type": "CALL",
    "currency": "USD",
    "duration": "60",
    "duration_unit": "s",
    "symbol": "R_100"
    "barrier": "-0.00032"
    Use the id derived from the response to buy the contract

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