# Licensing

This repository uses two licenses so implementers can freely use the code and schemas while preserving attribution for the written specification.

## Apache License 2.0

The website source, scripts, tests, JSON Schemas, and JSON examples are licensed under the Apache License, Version 2.0.

SPDX identifier: `Apache-2.0`

The full license text is in [`LICENSES/Apache-2.0.txt`](LICENSES/Apache-2.0.txt).

## Creative Commons Attribution 4.0 International

The protocol specification, documentation, and explanatory prose are licensed under Creative Commons Attribution 4.0 International.

SPDX identifier: `CC-BY-4.0`

The full legal code is in [`LICENSES/CC-BY-4.0.txt`](LICENSES/CC-BY-4.0.txt).

## Attribution

Copyright © 2026 Trent McNelly / Ad+Verb contributors.

A reasonable attribution is: “Ad+Card Protocol, created by Trent McNelly with Ad+Verb contributors.”

## Marks and conformance

These licenses do not grant permission to imply endorsement, certification, or conformance. An implementation may describe itself as “compatible with the Ad+Card draft” only when it identifies the implemented draft version and does not overstate its assurance.
