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.

Alchemy publishes 6 APIs on the APIs.io network, including Node API (JSON-RPC), Transfers API, Paymaster API, and 3 more. Tagged areas include Web3, Blockchain, RPC, NFT, and Indexing.

The Alchemy catalog on APIs.io includes 1 event-driven AsyncAPI specification, 3 JSON-LD contexts, and 3 Spectral governance rulesets.

Alchemy’s developer surface includes authentication, engineering blog, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

48.2/100 developing ▼ -5.6 Agent 50/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

12 APIs

Web3BlockchainRPCNFTIndexingAccount Abstraction

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 48.2/100 · developing

Contract Quality 18.2 / 25

Developer Ergonomics 2.6 / 20

Commercial Clarity 9.5 / 20

Operational Transparency 4.8 / 13

Governance 5.7 / 12

Discoverability 7.4 / 10

Agent readiness — 50/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/alchemy: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 12

Individual APIs this provider publishes, each with its own machine-readable definition.

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 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 Simulation API

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

Alchemy Paymaster API

Sponsor user operations via ERC-4337 paymaster endpoints.

Alchemy Policies API

Create and manage gas sponsorship policies.

Alchemy Token Balances API

Retrieve ERC-20 token balances for wallet addresses.

Alchemy Token Metadata API

Retrieve metadata for ERC-20 tokens.

Scroll for all 12

Open Collections 3

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Alchemy Gas Manager API

OPEN COLLECTION

Alchemy Token API

OPEN COLLECTION

Alchemy Transfers API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Rate Limits 1

Documented rate limits and quota policies.

Alchemy Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

JSON Schema 15

Standalone JSON Schema definitions for this provider's data models.

Scroll for all 15

JSON Structure 15

JSON Structure definitions describing this provider's data shapes.

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Examples 15

Example request and response payloads for these APIs.

Scroll for all 15

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Blog

Blog

LinkedIn

Website

Website

Source (apis.yml)

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.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/alchemy.png
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: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: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
- aid: alchemy:alchemy-paymaster-api
  name: Alchemy Paymaster API
  description: Sponsor user operations via ERC-4337 paymaster endpoints.
  humanURL: https://www.alchemy.com/docs/reference/api-overview
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - Paymaster
  properties:
  - type: OpenAPI
    url: openapi/alchemy-paymaster-api-openapi.yml
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/token-api-quickstart
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
- aid: alchemy:alchemy-policies-api
  name: Alchemy Policies API
  description: Create and manage gas sponsorship policies.
  humanURL: https://www.alchemy.com/docs/reference/api-overview
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - Policies
  properties:
  - type: OpenAPI
    url: openapi/alchemy-policies-api-openapi.yml
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/token-api-quickstart
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
- aid: alchemy:alchemy-token-balances-api
  name: Alchemy Token Balances API
  description: Retrieve ERC-20 token balances for wallet addresses.
  humanURL: https://www.alchemy.com/docs/reference/api-overview
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - Token Balances
  properties:
  - type: OpenAPI
    url: openapi/alchemy-token-balances-api-openapi.yml
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/token-api-quickstart
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
- aid: alchemy:alchemy-token-metadata-api
  name: Alchemy Token Metadata API
  description: Retrieve metadata for ERC-20 tokens.
  humanURL: https://www.alchemy.com/docs/reference/api-overview
  baseURL: https://{network}.g.alchemy.com/v2/{apiKey}
  tags:
  - Token Metadata
  properties:
  - type: OpenAPI
    url: openapi/alchemy-token-metadata-api-openapi.yml
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/token-api-quickstart
  - type: Documentation
    url: https://www.alchemy.com/docs/reference/gas-manager-api-quickstart
common:
- type: AgenticAccess
  url: agentic-access/alchemy-agentic-access.yml
- type: TrustCenter
  url: security/alchemy-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/alchemy-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/alchemy-domain-security.yml
- type: Authentication
  url: authentication/alchemy-authentication.yml
- url: https://www.alchemy.com/blog
  type: Blog
- 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: LlmsText
  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

Alchemy

APIs 12

Open Collections 3

GraphQL 1

Pricing Plans 1

Rate Limits 1

FinOps 1

Event Specifications 1

Semantic Vocabularies 3

Spectral Rules 3

JSON Schema 15

JSON Structure 15

Examples 15

Security Posture 4

Agentic Access 1

Agent Surfaces 2

Build 1

Access & Security 4

Operate 1

Commercial 2

Company 3

Source (apis.yml)