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.

Collections

Alchemy Gas Manager API

OPEN

Alchemy Token API

OPEN

Alchemy Transfers API

OPEN

GraphQL

Alchemy GraphQL Schema

This conceptual GraphQL schema models the Alchemy Web3 developer platform, covering the full surface of Alchemy's blockchain APIs: Node RPC (JSON-RPC over HTTPS/WebSockets), NFT...

GRAPHQL

Pricing Plans

Alchemy Plans Pricing

4 plans

PLANS

Rate Limits

Alchemy Rate Limits

4 limits

RATE LIMITS

FinOps

Alchemy Finops

FINOPS

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 Create Policy Request Structure

4 properties

JSON STRUCTURE

Alchemy Gas Manager Api Policy List Response Structure

1 properties

JSON STRUCTURE

Alchemy Gas Manager Api Policy Structure

6 properties

JSON STRUCTURE

Alchemy Gas Manager Api Sponsor User Operation Request Structure

4 properties

JSON STRUCTURE

Alchemy Gas Manager Api Sponsor User Operation Response Structure

3 properties

JSON STRUCTURE

Alchemy Gas Manager Api Sponsor User Operation Result Structure

4 properties

JSON STRUCTURE

Alchemy Token Api Token Balance Structure

3 properties

JSON STRUCTURE

Alchemy Token Api Token Balances Response Structure

3 properties

JSON STRUCTURE

Alchemy Token Api Token Balances Result Structure

3 properties

JSON STRUCTURE

Alchemy Token Api Token Metadata Response Structure

3 properties

JSON STRUCTURE

Alchemy Token Api Token Metadata Structure

4 properties

JSON STRUCTURE

Alchemy Transfers Api Asset Transfer Structure

8 properties

JSON STRUCTURE

Alchemy Transfers Api Asset Transfers Response Structure

3 properties

JSON STRUCTURE

Alchemy Transfers Api Asset Transfers Result Structure

2 properties

JSON STRUCTURE

Alchemy Transfers Api Transfer Metadata Structure

1 properties

JSON STRUCTURE

Example Payloads

Alchemy Gas Manager Api Create Policy Request Example

4 fields

EXAMPLE

Alchemy Gas Manager Api Policy Example

6 fields

EXAMPLE

Alchemy Gas Manager Api Policy List Response Example

1 fields

EXAMPLE

Alchemy Gas Manager Api Sponsor User Operation Request Example

4 fields

EXAMPLE

Alchemy Gas Manager Api Sponsor User Operation Response Example

3 fields

EXAMPLE

Alchemy Gas Manager Api Sponsor User Operation Result Example

4 fields

EXAMPLE

Alchemy Token Api Token Balance Example

3 fields

EXAMPLE

Alchemy Token Api Token Balances Response Example

3 fields

EXAMPLE

Alchemy Token Api Token Balances Result Example

3 fields

EXAMPLE

Alchemy Token Api Token Metadata Example

4 fields

EXAMPLE

Alchemy Token Api Token Metadata Response Example

3 fields

EXAMPLE

Alchemy Transfers Api Asset Transfer Example

8 fields

EXAMPLE

Alchemy Transfers Api Asset Transfers Response Example

3 fields

EXAMPLE

Alchemy Transfers Api Asset Transfers Result Example

2 fields

EXAMPLE

Alchemy Transfers Api Transfer Metadata Example

1 fields

EXAMPLE

Resources

👥

GitHubOrganization

Sources

opencollection: 1.0.0
info:
  name: Alchemy Transfers API
  version: '1.0'
items:
- info:
    name: Transfers
    type: folder
  items:
  - info:
      name: Alchemy Get Asset Transfers
      type: http
    http:
      method: POST
      url: https://eth-mainnet.g.alchemy.com/v2/{apiKey}/
      body:
        type: json
        data: '{}'
      auth:
        type: apikey
        key: X-Alchemy-Token
        value: '{{X-Alchemy-Token}}'
        placement: header
    docs: Returns an array of asset transfers based on the specified filters. Supports querying ETH transfers, ERC-20 token
      transfers, ERC-721 NFT transfers, ERC-1155 multi-token transfers, and internal contract transfers across supported EVM
      networks.
bundled: true