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The SDK sends this request in the background after any successful submission that targets the Ostium Trading contract. 
curl https://builder.ostium.io/v1/trade \
  -H 'Content-Type: application/json' \
  -d '{
    "hash": "0xTransactionHash"
  }'

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Request schema

interface Request {
  hash: `0x${string}`;
}

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SDK behavior

OstiumClient sends this as a fire-and-forget attribution request. The SDK does not wait for the response, does not inspect the response body, and swallows failures so attribution can never block or change trading behavior.