Changelog

IMPROVED 22-JUN-2026

We've made several non-breaking changes to improve the Calico Platform API:

Added

A connection_ids parameter was added to the User assets and Transactions endpoints.

A HTTP 206 Partial Content response was added to Refresh Transactions and Assets endpoints to support paginated or partial updates.

Changed

The token_address field in the Assets response is now optional.

Action Required: No required action or changes.
Version in path: v2

VERSION 06-MAR-2026

Platform API v2 released with several improvements. These updates include breaking changes.

New version: The latest version is now accepted and is set in the URL.

Action Required: Update the version in the path of each request.

https://api.getcalico.com/platform/v2

Updated naming conventions: We’ve normalized all request responses to use snake case.

Action Required: Update your code to change JSON keys from camel case to snake case.

Example:

Change walletAddress to wallet_address

New data model: We’ve updated our response model in all Platform API JSON responses.

Action Required: Update your code to handle results for all endpoints to use the new data model.

{
    "page": {},
    "data": {
        "transactions": []
    },
    "errors": [
        {}
    ]
}

New pagination fields and object: We’ve added pagination. See the Pagination guide.

"page": {
        "next_uri": ""
    }

NEW 28-OCT-2025
Calico Platform API launched!