ship: Polkadot page + Parity product to prod

src/data/provider-registry.ts

@@ -579,6 +579,24 @@ export const PROVIDER_REGISTRY: Record<string, ProviderRegistryEntry> = {
   },
 
   // ─── Public RPC providers ─────────────────────────────────────
+  parity: {
+    url: "https://www.parity.io",
+    description:
+      "Parity Technologies is the primary implementation shop behind Polkadot and Substrate, and the operator of the reference public relay RPC at rpc.polkadot.io. Also builds the Polkadot-JS Apps UI, Kusama tooling, and enterprise Substrate deployments.",
+    twitter: "@ParityTech",
+  },
+  "polkadot-official": {
+    url: "https://rpc.polkadot.io",
+    description:
+      "Parity-operated Polkadot relay-chain public RPC endpoint (rpc.polkadot.io). Substrate JSON-RPC (chain_getHeader, state_getRuntimeVersion, system_health), keyless, rate-limited per IP. The reference endpoint any Polkadot integrator points at before wiring a dedicated node.",
+    twitter: "@ParityTech",
+  },
+  dwellir: {
+    url: "https://www.dwellir.com",
+    description:
+      "Web3 Foundation grantee running production-grade Substrate infrastructure across globally distributed bare-metal servers. Keyless public gateways on Polkadot, Kusama and every major parachain, plus dedicated node service.",
+    twitter: "@dwellir",
+  },
   "monad-official": {
     url: "https://docs.monad.xyz",
     description:

src/lib/chains.ts

@@ -309,6 +309,14 @@ export const CHAINS: ChainEntry[] = [
     description:
       "Sony Block Solutions OP Stack rollup in the Optimism Superchain, 2 s blocks, consumer and entertainment focus.",
   },
+  {
+    slug: "polkadot",
+    label: "Polkadot",
+    category: "L1",
+    nativeSymbol: "DOT",
+    description:
+      "Substrate-based relay chain coordinating a parachain ecosystem via shared security. GRANDPA finality with BABE block production, ~6 s block time.",
+  },
 ];
 
 export const CHAIN_BY_SLUG = new Map(CHAINS.map((c) => [c.slug, c]));

src/lib/logo-manifest.ts

@@ -108,6 +108,8 @@ const RAW: Record<string, string> = {
   drpc: "/logos/drpc.webp",
   "1rpc": "/logos/1rpc.svg",
   cloudflare: "/logos/cloudflare.svg",
+  parity: "/logos/parity.png",
+  polkadot: "/logos/polkadot.png",
   "base-official": "/logos/base.jpeg",
   binance: "/logos/binance.png",
   lava: "/logos/lava.webp",
@@ -380,6 +382,7 @@ const ALIASES: Record<string, string> = {
   // Long-tail RPC cluster (055-066).
   "sonic-official": "sonic",
   "monad-official": "monad",
+  "polkadot-official": "parity",
   hood: "robinhood",
   coin: "coinbase",
   "megaeth-official": "megaeth",

src/lib/providers.ts

@@ -40,6 +40,11 @@ const PRODUCT_ALIASES: Record<string, string> = {
   "avalanche-official": "avalanche",
   "base-official": "base",
   "optimism-official": "optimism",
+  // Polkadot's "official" endpoint is Parity-operated, so the product
+  // page for the endpoint slug collapses to the Parity brand rather
+  // than a synthetic "Polkadot Foundation RPC" entry (there is no such
+  // separate operator).
+  "polkadot-official": "parity",
   // Oracle pair → underlying chain / asset
   "eth-usd": "ethereum",
   "sol-usd": "solana",
@@ -74,6 +79,10 @@ const CANONICAL_NAMES: Record<string, string> = {
   arbitrum: "Arbitrum",
   base: "Base",
   optimism: "Optimism",
+  polkadot: "Polkadot",
+  parity: "Parity",
+  onfinality: "OnFinality",
+  dwellir: "Dwellir",
   // NFT bench 040 providers — explicit brand casing.
   opensea: "OpenSea",
   // Other brand casings frequently referenced.