Skill based on Alchemy SDK JS (alchemy-sdk) docs, generated at 2026-02-09.
The Alchemy SDK is a JavaScript SDK for blockchain access: Ethers.js–compatible provider plus Enhanced APIs (token balances, asset transfers, NFT API, WebSockets, transaction simulation, private tx, Portfolio, Notify, Debug). One client instance per network/API key; namespaces: core, nft, ws, transact, notify, portfolio, prices, debug.
Core References
| Topic |
Description |
Reference |
| Client |
Instantiation, namespaces, AlchemySettings, Network |
core-client |
| Core Namespace |
JSON-RPC, Enhanced APIs, token balances, asset transfers, findContractDeployer |
core-namespace |
Features
NFT
| Topic |
Description |
Reference |
| NFT API |
Metadata, owners, transfers, iterators, spam, rarity, floor price, pagination |
features-nft |
Realtime and Transact
| Topic |
Description |
Reference |
| WebSockets |
Subscriptions, AlchemySubscription, reconnection and backfill |
features-websockets |
| Transact |
Simulate asset changes/execution, send tx, private tx (Flashbots), cancel |
features-transact |
Portfolio and Notify
| Topic |
Description |
Reference |
| Portfolio |
Multi-wallet tokens, NFTs, collections, transactions (authToken) |
features-portfolio |
| Notify |
Webhooks CRUD, address/NFT activity, mined/dropped, GraphQL (authToken) |
features-notify |
Debug
| Topic |
Description |
Reference |
| Debug |
traceCall, traceTransaction, traceBlock, tracers |
features-debug |
1---2name: alchemy3description: Alchemy SDK for JavaScript — client, core RPC and Enhanced APIs, NFT, WebSockets, Transact, Portfolio, Notify, Debug.4---56> Skill based on Alchemy SDK JS (alchemy-sdk) docs, generated at 2026-02-09.78The Alchemy SDK is a JavaScript SDK for blockchain access: Ethers.js–compatible provider plus Enhanced APIs (token balances, asset transfers, NFT API, WebSockets, transaction simulation, private tx, Portfolio, Notify, Debug). One client instance per network/API key; namespaces: core, nft, ws, transact, notify, portfolio, prices, debug.910## Core References1112| Topic | Description | Reference |13|-------|-------------|-----------|14| Client | Instantiation, namespaces, AlchemySettings, Network | [core-client](references/core-client.md) |15| Core Namespace | JSON-RPC, Enhanced APIs, token balances, asset transfers, findContractDeployer | [core-namespace](references/core-namespace.md) |1617## Features1819### NFT2021| Topic | Description | Reference |22|-------|-------------|-----------|23| NFT API | Metadata, owners, transfers, iterators, spam, rarity, floor price, pagination | [features-nft](references/features-nft.md) |2425### Realtime and Transact2627| Topic | Description | Reference |28|-------|-------------|-----------|29| WebSockets | Subscriptions, AlchemySubscription, reconnection and backfill | [features-websockets](references/features-websockets.md) |30| Transact | Simulate asset changes/execution, send tx, private tx (Flashbots), cancel | [features-transact](references/features-transact.md) |3132### Portfolio and Notify3334| Topic | Description | Reference |35|-------|-------------|-----------|36| Portfolio | Multi-wallet tokens, NFTs, collections, transactions (authToken) | [features-portfolio](references/features-portfolio.md) |37| Notify | Webhooks CRUD, address/NFT activity, mined/dropped, GraphQL (authToken) | [features-notify](references/features-notify.md) |3839### Debug4041| Topic | Description | Reference |42|-------|-------------|-----------|43| Debug | traceCall, traceTransaction, traceBlock, tracers | [features-debug](references/features-debug.md) |