# Parameters
source: https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/index.md

This section provides details on each of the API data elements mentioned in [API Reference](https://developer.mastercard.com/fld-suspected-fraud/documentation/api-reference/index.md). They have been elaborated on the following areas:

* Presence
* Data type
* Minimum and maximum length
* Field description
* Sample value

### API data elements {#api-data-elements}

Refer to the sections below for more information about API data elements.

* [SFA Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/sfa-req_resp/index.md) SFA request and response data elements using minimal parameters for Mastercard built records.
* [SFC Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/sfc-req_resp/index.md) SFC request and response data elements using minimal parameters for Mastercard built records.
* [FSC Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/fsc-req_resp/index.md) FSC request and response data elements for Mastercard and built records.
* [FSN Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/fsn-req_resp/index.md) FSN request and response data elements for Mastercard Issuer records.
* [SFD Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/sfd-req-resp/index.md) SFD request and response data elements for Mastercard built records.
* [SFS Request and Response:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/sfs-req/index.md) SFS request and response data elements for Mastercard built records.
* [Annexure 1:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/annexure-1/index.md) Annexure for master table references.
* [Annexure 2:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/annexure-2/index.md) Master table for Card Type Codes.
* [Annexure 3:](https://developer.mastercard.com/fld-suspected-fraud/documentation/parameters/annexure-3/index.md) Master table for ISO country and currency codes.

#### Document download {#document-download}

Download a spreadsheet containing the API data elements using this link [API data elements](https://static.developer.mastercard.com/content/fld-suspected-fraud/uploads/suspect_api_data_element.xlsx).