Wire Alchemy into application code using a standard API key. Covers EVM JSON-RPC, Token API, Transfers API, Prices API, Portfolio API, Simulation, Webhooks, Solana RPC/DAS/Yellowstone gRPC, Sui gRPC, Wallets/Account Kit. For NFT marketplace data, listings, offers, or Seaport fulfillment, use `opensea-api` / `opensea-marketplace`. For live agent work, use `alchemy-cli` or `alchemy-mcp`. For app code without an API key, use `alchemy-agentic-gateway`.