chainstack · mintlify · May 6, 2026
diff --git a/docs/protocols-tutorials.mdx b/docs/protocols-tutorials.mdx
@@ -4,3 +4,21 @@ description: "These tutorials provide a basic introduction to the protocols supp
 sidebarTitle: Overview
 ---
 
+This section collects hands-on tutorials across every protocol supported by Chainstack. Each guide is self-contained and walks through a concrete build — deploying a contract, monitoring on-chain activity, bridging assets, or integrating a SDK — using a Chainstack RPC node.
+
+### How to use these tutorials
+
+1. Pick a protocol from the left pane (Ethereum, Solana, Polygon, BNB Smart Chain, Base, Arbitrum, TON, and many more).
+2. [Deploy a node](/docs/manage-your-networks) for that protocol on Chainstack and grab its HTTPS or WSS endpoint.
+3. Drop the endpoint into the tutorial's code sample and run it.
+
+### What you'll find
+
+- **EVM chains** — smart contract deployment with Hardhat, Truffle, Foundry, and Remix; ERC‑20, ERC‑721, and ERC‑1155 walkthroughs; bridging and L2 messaging examples.
+- **Non‑EVM chains** — TON jettons and NFTs, Solana program interaction, Aptos modules, Starknet contracts, NEAR upgrades, Tezos in LIGO.
+- **On‑chain analytics** — pending block analysis, event monitoring, mempool watching, DEX price fetching, and validator metrics.
+- **Protocol upgrades** — deep dives into Dencun, Lorentz, Granite, and other recent hardforks with runnable examples.
+
+<Tip>
+  New to Web3 development? Start with [Ethereum: Academic certificates with Truffle](/docs/ethereum-tutorial-academic-certificates-with-truffle) or [Base: Deploy an ERC‑721 contract with Hardhat](/docs/base-tutorial-deploy-an-erc-721-contract-with-hardhat) for a gentle on‑ramp.
+</Tip>
diff --git a/docs/solana-development.mdx b/docs/solana-development.mdx
@@ -4,4 +4,23 @@ description: Get started with Solana development on Chainstack, covering node de
 sidebarTitle: Overview
 ---
 
-Check the guides on the left pane.
+This section is a curated path through Solana development on Chainstack — from spinning up your first RPC node to building production trading bots, indexers, and DeFi integrations.
+
+### Prerequisites
+
+- A [Chainstack account](https://console.chainstack.com/) and a [deployed Solana node](/docs/manage-your-networks) (mainnet, devnet, or a [Solana Trader Node](/docs/trader-node) for low-latency trading).
+- Familiarity with the [Solana JSON-RPC API](https://solana.com/docs/rpc) and one Solana SDK (`@solana/web3.js`, `solana-py`, or Anchor).
+
+### What you'll learn
+
+- **Pump.fun and Raydium** — build a Pump.fun trading bot, listen to Pump.fun → Raydium migrations, and detect new token mints via `logsSubscribe`.
+- **Priority fees and landing transactions** — compute Jupiter priority fees in Python and analyze adjacent transactions for fee optimization.
+- **Token swaps** — execute swaps with the Raydium SDK and route trades through Jupiter.
+- **Migrations** — move from Helius `getTokenAccounts` to standard Solana RPC methods, and from Syndica to Chainstack with no code rewrite.
+- **Archive and infrastructure** — see [Solana archive nodes: the backbone of Solana's data availability](/docs/solana-archive-nodes-the-backbone-of-solanas-data-availability-and-developer-tooling) for when (and why) you need archive history.
+
+<Tip>
+  For ultra-low-latency trading workloads, pair these tutorials with a [Solana Trader Node](/docs/trader-node) and the [Yellowstone gRPC Geyser plugin](/docs/yellowstone-grpc-geyser-plugin).
+</Tip>
+
+Pick a guide from the left pane to get started.
diff --git a/docs/unlimited-node-add-on.mdx b/docs/unlimited-node-add-on.mdx
@@ -2,4 +2,31 @@
 title: "Unlimited Node add-on"
 description: Enable the Unlimited Node add-on to convert any existing Chainstack RPC node into a flat-fee endpoint with predictable monthly costs and capped capacity.
 ---
-See [Unlimited Node](/docs/unlimited-node) for full description.
+
+The **Unlimited Node add-on** turns any existing Chainstack RPC node into a flat-fee endpoint. You pick an RPS tier, enable the add-on, and the node stops consuming plan request quota — replaced by a predictable monthly bill.
+
+### Available RPS tiers
+
+- 25 RPS
+- 100 RPS
+- 250 RPS
+- 500 RPS
+- 1000 RPS
+
+### Why use it
+
+- **Fixed monthly cost** — no per-request billing, no overage math.
+- **Zero plan quota usage** — the attached node stops drawing from your plan request pool, freeing those requests for other nodes.
+- **No extra usage required** — overage and extra usage settings do not apply to an Unlimited Node. Traffic above the tier limit is rate-limited rather than billed.
+- **Available from the Growth plan and up.**
+
+### Enable the add-on
+
+1. In the Chainstack console, open **Nodes** and select the node you want to convert.
+2. Click **Add-ons** > **Unlimited Node**.
+3. Pick an RPS tier and click **Apply changes**.
+4. Confirm payment. The add-on activates within seconds.
+
+<Info>
+  For the full feature description, tier details, and FAQ, see [Unlimited Node](/docs/unlimited-node).
+</Info>