For AI agents: visit https://docs.cielo.com.br/risco/v1.0-en/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
| Key | Value | Type | Size |
|---|
| 1 to 3 | Reserved | - | - |
| 4 to 8 | Free fields and fields defined by the anti-fraud provider, according to business rules | var | 256 |
| 9 to 13 | Reserved | - | - |
| 14 | Segment | MCC (Merchant Category Code) of your store | int |
| 15 to 20 | Free fields and fields defined by the anti-fraud provider, according to business rules | var | 30 |
| 21 | Reserved | - | - |
| 22 | Free field and fields defined by the anti-fraud provider, according to business rules | var | 30 |
| 23 | Reserved | - | - |
| 24 | Free field and fields defined by the anti-fraud provider, according to business rules | var | 30 |
| 25 | Reserved | - | - |
