AT Protocol

Summary
AT Protocol is an open, decentralized network designed for building social applications. It provides developers with SDKs and API access to create applications on its network. The protocol supports features like data repositories, schemas, and self-hosting.
Rationale
The AT Protocol website explicitly mentions and provides SDKs and API documentation, indicating API access for developers to build social applications on their decentralized network. While other features might be indirectly supported, API access is the most evident based on the website content.
Features
Must Have

API Access

Other

None