# Spec Change Log
source: https://developer.mastercard.com/token-requestor-identifier-api/documentation/api-reference/spec-change-log/index.md

Occasionally the Token Requestor Identifier (TRID) API specification requires an update for clarification of existing functionality and can occur at any time. No backwards breaking changes will be introduced, and the requests and responses returned from the service will not change without prior notice.

|                                                              Version                                                               |                                       Description                                        |     Date     |
|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------|--------------|
| [v1.1.0](https://developer.mastercard.com/token-requestor-identifier-api/documentation/api-reference/api-reference-1-1-0/index.md) | API Reference updated to support a new parameter to suppress token provisioning updates. | 28 July 2025 |
| [v1.0.1](https://developer.mastercard.com/token-requestor-identifier-api/documentation/api-reference/api-reference-1-0-1/index.md) | API Reference corrected to include Customer ID.                                          | 8 July 2025  |
| [v1.0.0](https://developer.mastercard.com/token-requestor-identifier-api/documentation/api-reference/api-reference-1-0-0/index.md) | Initial version                                                                          |              |