> For the complete documentation index, see [llms.txt](https://docs.compliance.phalcon.blocksec.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.compliance.phalcon.blocksec.com/es/api-documentation/transaction-screening/batch-screen-transactions.md).

# Verificar transacciones en lote

El screening por lotes para el riesgo de transacciones se ejecuta como una tarea asincrónica. Cada transacción generará un Task ID único, y los usuarios pueden obtener resultados detallados a través de la API de tareas.

## Screen multiple transactions

> Submit a batch transaction screening task and return task IDs.

```json
{"openapi":"3.0.0","info":{"title":"Compliance API","version":"2.0.0"},"tags":[{"name":"Transaction Screen","description":"Transaction screening and retrieval APIs."}],"servers":[{"url":"https://api.blocksec.com/phalcon/compliance/v2","description":"Production server"}],"security":[{"API-Key":[]}],"components":{"securitySchemes":{"API-Key":{"type":"apiKey","in":"header","name":"API-Key"}},"schemas":{"TransactionScreen":{"type":"object","required":["chainId","hash","direction"],"properties":{"chainId":{"type":"integer","description":"The chain ID. For all supported chains and corresponding chain IDs, see [https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/supported-chains](https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/supported-chains)."},"hash":{"type":"string","description":"The transaction hash."},"direction":{"type":"string","description":"The direction of the transaction."},"toAddress":{"type":"string","description":"The user’s deposit address (for deposits) or withdrawal address (for withdrawals)."},"transferIndex":{"type":"integer","description":"The index of the transfer within the transaction. Optional; used to identify a specific transfer if direction and toAddress are not unique. For BTC transactions, this field represents the toAddressIndex. If omitted and multiple transfers match, the first transfer will be used."},"includeDetails":{"type":"boolean","description":"Deprecated. Whether to include the legacy riskDetail field on every alert. Defaults to false. Still functional today; scheduled for removal on 2026-08-31.","deprecated":true}}},"ErrorCodeMsg":{"properties":{"code":{"type":"integer"},"msg":{"type":"string"}}},"TransactionTasksResult":{"type":"object","properties":{"taskIds":{"type":"array","description":"The list of task IDs.","items":{"type":"string","description":"The unique identifier for the task."}}}}}},"paths":{"/transactions/screen":{"post":{"tags":["Transaction Screen"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"transactions":{"type":"array","minItems":1,"maxItems":100,"items":{"$ref":"#/components/schemas/TransactionScreen"},"description":"The list of transactions to be screened. Provide between 1 and 100 transactions per request."}}}}}},"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"$ref":"#/components/schemas/ErrorCodeMsg/properties/code","description":"The status code of this request. For all possible codes and corresponding errors/messages, see [https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/error-messages](https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/error-messages)."},"msg":{"$ref":"#/components/schemas/ErrorCodeMsg/properties/msg","description":"The message of this request. For all possible codes and corresponding errors/messages, see [https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/error-messages](https://docs.compliance.phalcon.blocksec.com/api-documentation/introduction/error-messages)."},"data":{"$ref":"#/components/schemas/TransactionTasksResult"}}}}}}},"description":"Submit a batch transaction screening task and return task IDs.","summary":"Screen multiple transactions"}}}}
```