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Before you start

Make sure you have:
  • A PIK API key with FX conversion permissions.
  • A wallet balance in the sell currency. Check via GET /api/v1/accounts//wallet/balances.
  • The fx_conversion capability activated on the account.

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Option A — Convert using Rates

Call POST /api/v1/fx/conversions with:
  • sell_currency — Currency converting from, for example USDT.
  • buy_currency — Currency converting to, for example AUD.
  • sell_amount or buy_amount — The amount on either side.
  • conversion_type — Set to rate.
  • x-on-behalf-of header — Connected account ID if applicable.
A status of converted in the response means the conversion completed and the buy currency has been credited.

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Option B — Convert using Quotes

Step 1 — Call POST /api/v1/fx/quotes with sell_currency, buy_currency, and amount. PIK returns a quote_id and quote_expiry. Step 2 — Before the quote_expiry passes, call POST /api/v1/fx/conversions with conversion_type set to quote and the quote_id.

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Checking conversion status

Call GET /api/v1/fx/conversions/conversion_id.
  • pending — Processing in progress.
  • converted — Completed, buy currency credited.
  • failed — Could not complete. Check failure_reason.

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Common errors

INSUFFICIENT_BALANCE — Sell currency balance is lower than the sell amount. BELOW_MINIMUM_AMOUNT — Amount is below the minimum for the currency pair. QUOTE_EXPIRED — Quote has passed its expiry. Request a new quote and resubmit immediately. CAPABILITY_NOT_ACTIVATED — fx_conversion not activated on the account.