# POST /Indoor/api/getTrnCodeMatrixByValidFlag

**Resource:** [Reference data](../resources/Reference-data.md)
**Service that lists valid Trn Code Matrix information**
**Operation ID:** `getTrnCodeMatrixByValidFlag`

Retrieves all valid transaction code matrices along with their details, flags, and associated metadata. This is used to get the list of transaction code matrices for core banking integration.

## Responses

| Status | Description |
|--------|-------------|
| 200 | Success |
| 400 | (reference) |
| 404 | (reference) |
| 500 | (reference) |

**Success Response Schema:**

[GetTrnCodeMatrixByValidFlagResponse](../schemas/Get/GetTrnCodeMatrixByValidFlagResponse.md)

