> For the complete documentation index, see [llms.txt](https://docs.entangle.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.entangle.fi/universal-data-feeds.md).

# Universal Data Feeds

- [Overview](https://docs.entangle.fi/universal-data-feeds/overview.md)
- [Architecture](https://docs.entangle.fi/universal-data-feeds/architecture.md)
- [Data Delivery Methods](https://docs.entangle.fi/universal-data-feeds/architecture/data-delivery-methods.md)
- [Pull Model](https://docs.entangle.fi/universal-data-feeds/architecture/data-delivery-methods/pull-model.md)
- [Push Model](https://docs.entangle.fi/universal-data-feeds/architecture/data-delivery-methods/push-model.md)
- [Oracle Contract & User Interaction](https://docs.entangle.fi/universal-data-feeds/architecture/oracle-contract-and-user-interaction.md)
- [Developer Guides](https://docs.entangle.fi/universal-data-feeds/developer-guides.md)
- [Custom Data Feeds](https://docs.entangle.fi/universal-data-feeds/developer-guides/custom-data-feeds.md)
- [Fetch Data via Pull Model (PAYG)](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-payg.md)
- [EVM Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-payg/evm-smart-contracts.md)
- [Solana Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-payg/solana-smart-contracts.md)
- [Fetch Data via Pull Model (Subscriptions)](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-subscriptions.md)
- [EVM Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-subscriptions/evm-smart-contracts.md)
- [Solana Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-pull-model-subscriptions/solana-smart-contracts.md)
- [Fetch Data via Push Model](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-push-model.md)
- [EVM Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-push-model/evm-smart-contracts.md)
- [Solana Smart Contracts](https://docs.entangle.fi/universal-data-feeds/developer-guides/fetch-data-via-push-model/solana-smart-contracts.md)
- [Data Publishing](https://docs.entangle.fi/universal-data-feeds/developer-guides/data-publishing.md)
- [User Guides](https://docs.entangle.fi/universal-data-feeds/user-guides.md)
- [Accessing Feeds](https://docs.entangle.fi/universal-data-feeds/user-guides/accessing-feeds.md)
- [Subscribe to a Data Feed](https://docs.entangle.fi/universal-data-feeds/user-guides/subscribe-to-a-data-feed.md)
- [Check Subscription](https://docs.entangle.fi/universal-data-feeds/user-guides/check-subscription.md)
- [Manage Subscription](https://docs.entangle.fi/universal-data-feeds/user-guides/manage-subscription.md)
- [Renew Subscription](https://docs.entangle.fi/universal-data-feeds/user-guides/renew-subscription.md)
- [Configuring Pull Model](https://docs.entangle.fi/universal-data-feeds/user-guides/configuring-pull-model.md)
- [Configuring Push Model](https://docs.entangle.fi/universal-data-feeds/user-guides/configuring-push-model.md)
- [Data Endpoints](https://docs.entangle.fi/universal-data-feeds/data-endpoints.md)