# Platform Documentation
> Billing, node types, and supported chains across plans — what's offered on the Quicknode platform and how it is billed.

- [Flat Rate RPS](https://www.quicknode.com/docs/platform/billing/flat-rate-rps.md): Fixed monthly pricing for single-endpoint RPC access with configured rate limits and concurrent connections.
- [Sales Tax Information](https://www.quicknode.com/docs/platform/billing/taxes/usa.md): Overview of Quicknode sales tax collection based on billing address, exemptions, and effective dates.
- [Supported Chains, Node Types, and Pruning Policies](https://www.quicknode.com/docs/platform/supported-chains-node-types.md): Overview of Full Nodes, Archive Nodes, and Pruning Policies