Alchemy logo

Alchemy

Alchemy is a Web3 developer platform offering blockchain JSON-RPC, Data APIs (NFT, Token, Transfers, Portfolio, Prices, Webhooks/Notify, Simulation), Smart Wallets / Account Abstraction (Bundler, Gas Manager), and dedicated Rollup infrastructure across 50+ chains including Ethereum, Polygon, Arbitrum, Optimism, Base, and Solana.

10 APIs 0 Features
Web3BlockchainRPCNFTIndexingAccount Abstraction

APIs

Alchemy Node API (JSON-RPC)

Multi-chain JSON-RPC over HTTPS and WebSockets covering standard eth_*, solana, and other chain methods, plus Alchemy-enhanced subscriptions (alchemy_minedTransactions, alchemy_...

Alchemy NFT API

REST endpoints for NFT ownership, metadata, floor price, sales, contract metadata, and transfers across EVM chains and Solana.

Alchemy Token API

REST endpoints for ERC-20 token balances, metadata, allowances, prices, and historical transfers.

Alchemy Transfers API

REST endpoints for paginated address-level transfer history (external, internal, ERC-20, ERC-721, ERC-1155).

Alchemy Portfolio API

REST endpoints aggregating multi-chain wallet balances, NFTs, and tokens in a single call.

Alchemy Prices API

REST endpoints for token spot and historical pricing.

Alchemy Webhooks (Notify)

REST API for managing webhook subscriptions (mined / dropped transactions, address activity, NFT activity, custom).

Alchemy Bundler API (ERC-4337)

JSON-RPC bundler endpoints for ERC-4337 user operations (eth_sendUserOperation, eth_estimateUserOperationGas, alchemy_*).

Alchemy Gas Manager API

JSON-RPC paymaster API for sponsoring ERC-4337 user operations with policy-based gas funding.

Alchemy Simulation API

REST/JSON-RPC API for simulating transactions and asset changes before broadcasting.

Event Specifications

Alchemy WebSocket Subscription API

AsyncAPI definition for Alchemy's JSON-RPC WebSocket subscription API. Clients open a `wss://` connection to a per-network Alchemy endpoint and use the standard Ethereum `eth_su...

ASYNCAPI

Semantic Vocabularies

Alchemy Gas Manager Api Context

7 classes · 15 properties

JSON-LD

Alchemy Token Api Context

6 classes · 12 properties

JSON-LD

Alchemy Transfers Api Context

4 classes · 14 properties

JSON-LD

API Governance Rules

Alchemy API Rules

32 rules · 13 errors 15 warnings 4 info

SPECTRAL

JSON Structure

Alchemy Gas Manager Api Policy Structure

6 properties

JSON STRUCTURE

Alchemy Token Api Token Balance Structure

3 properties

JSON STRUCTURE

Alchemy Token Api Token Metadata Structure

4 properties

JSON STRUCTURE

Example Payloads

Visuals

Alchemy screenshot

Resources

👥
GitHubOrganization
GitHubOrganization
🔗
LinkedIn
LinkedIn
🔗
Website
Website
🔗
Plans
Plans
🔗
RateLimits
RateLimits
🔗
FinOps
FinOps
🔗
LLMsTxt
LLMsTxt

Sources

Raw ↑
aid: alchemy
url: https://raw.githubusercontent.com/api-evangelist/alchemy/refs/heads/main/apis.yml
name: Alchemy
kind: company
description: Alchemy is a Web3 developer platform offering blockchain JSON-RPC, Data
  APIs (NFT, Token, Transfers, Portfolio, Prices, Webhooks/Notify, Simulation), Smart
  Wallets / Account Abstraction (Bundler, Gas Manager), and dedicated Rollup infrastructure
  across 50+ chains including Ethereum, Polygon, Arbitrum, Optimism, Base, and Solana.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Web3
- Blockchain
- RPC
- NFT
- Indexing
- Account Abstraction
created: '2026-05-08'
modified: '2026-05-29'
specificationVersion: '0.19'
apis:
- aid: alchemy:node-rpc
  name: Alchemy Node API (JSON-RPC)
  description: Multi-chain JSON-RPC over HTTPS and WebSockets covering standard eth_*,
    solana, and other chain methods, plus Alchemy-enhanced subscriptions (alchemy_minedTransactions,
    alchemy_pendingTransactions).
  humanURL: https://www.alchemy.com/docs/reference/api-overview
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - JSON-RPC
  - WebSocket
  - Multi-chain
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/api-overview
  - type: AsyncAPI
    url: asyncapi/alchemy-asyncapi.yml
  - url: graphql/alchemy-graphql.md
    type: GraphQL
- aid: alchemy:nft-api
  name: Alchemy NFT API
  description: REST endpoints for NFT ownership, metadata, floor price, sales, contract
    metadata, and transfers across EVM chains and Solana.
  humanURL: https://www.alchemy.com/docs/reference/nft-api-quickstart
  baseURL: https://{network}.g.alchemy.com/nft/v3/{apiKey}
  tags:
  - REST
  - NFT
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/nft-api-quickstart
- aid: alchemy:token-api
  name: Alchemy Token API
  description: REST endpoints for ERC-20 token balances, metadata, allowances, prices,
    and historical transfers.
  humanURL: https://www.alchemy.com/docs/reference/token-api-quickstart
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - REST
  - Token
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/token-api-quickstart
  - type: OpenAPI
    url: openapi/alchemy-token-api-openapi.yml
- aid: alchemy:transfers-api
  name: Alchemy Transfers API
  description: REST endpoints for paginated address-level transfer history (external,
    internal, ERC-20, ERC-721, ERC-1155).
  humanURL: https://www.alchemy.com/docs/reference/transfers-api-quickstart
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - REST
  - Transfers
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/transfers-api-quickstart
  - type: OpenAPI
    url: openapi/alchemy-transfers-api-openapi.yml
- aid: alchemy:portfolio-api
  name: Alchemy Portfolio API
  description: REST endpoints aggregating multi-chain wallet balances, NFTs, and tokens
    in a single call.
  humanURL: https://www.alchemy.com/docs/reference/portfolio-api-quickstart
  baseURL: https://api.g.alchemy.com/data/v1/{apiKey}
  tags:
  - REST
  - Portfolio
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/portfolio-api-quickstart
- aid: alchemy:prices-api
  name: Alchemy Prices API
  description: REST endpoints for token spot and historical pricing.
  humanURL: https://www.alchemy.com/docs/reference/prices-api-quickstart
  baseURL: https://api.g.alchemy.com/prices/v1/{apiKey}
  tags:
  - REST
  - Prices
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/prices-api-quickstart
- aid: alchemy:webhooks-notify
  name: Alchemy Webhooks (Notify)
  description: REST API for managing webhook subscriptions (mined / dropped transactions,
    address activity, NFT activity, custom).
  humanURL: https://www.alchemy.com/docs/reference/notify-api-quickstart
  baseURL: https://dashboard.alchemy.com/api
  tags:
  - REST
  - Webhooks
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/notify-api-quickstart
- aid: alchemy:bundler
  name: Alchemy Bundler API (ERC-4337)
  description: JSON-RPC bundler endpoints for ERC-4337 user operations (eth_sendUserOperation,
    eth_estimateUserOperationGas, alchemy_*).
  humanURL: https://www.alchemy.com/docs/reference/bundler-api-quickstart
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - JSON-RPC
  - ERC-4337
  - Account Abstraction
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/bundler-api-quickstart
- aid: alchemy:gas-manager
  name: Alchemy Gas Manager API
  description: JSON-RPC paymaster API for sponsoring ERC-4337 user operations with
    policy-based gas funding.
  humanURL: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
  baseURL: https://manage.g.alchemy.com/api/gasManager/policy
  tags:
  - JSON-RPC
  - Paymaster
  - Account Abstraction
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
  - type: OpenAPI
    url: openapi/alchemy-gas-manager-api-openapi.yml
- aid: alchemy:simulation-api
  name: Alchemy Simulation API
  description: REST/JSON-RPC API for simulating transactions and asset changes before
    broadcasting.
  humanURL: https://www.alchemy.com/docs/reference/transaction-simulation-api-quickstart
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - JSON-RPC
  - Simulation
  properties:
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/transaction-simulation-api-quickstart
common:
- type: GitHubOrganization
  url: https://github.com/alchemyplatform
- type: LinkedIn
  url: https://www.linkedin.com/company/alchemyinc
- type: Website
  url: https://www.alchemy.com/
- type: Plans
  url: plans/alchemy-plans-pricing.yml
- type: RateLimits
  url: rate-limits/alchemy-rate-limits.yml
- type: FinOps
  url: finops/alchemy-finops.yml
- type: Integrations
  url: https://www.alchemy.com/integrations
- type: LLMsTxt
  url: https://alchemy.com/llms.txt
integrations:
- name: Alchemy
- name: Blockaid
- name: Blockscout
- name: Boost
- name: Coinflow
- name: Decent
- name: DIA
- name: Halliday
- name: Hexagate
- name: Hyperlane
- name: Hypernative
- name: Noves
- name: Palmera
- name: Parsec
- name: Predicate
- name: Succinct
- name: Spearbit
- name: Superbridge
- name: Tally
- name: Thirdweb
- name: Webacy
- name: Zapper
- name: Rollup background
- name: LinkedIn
- name: YouTube
- name: Discord
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com