# Universal Data Feeds

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