Flow

Flow is a developer-friendly Layer 1 proof-of-stake blockchain built for consumer applications, NFTs, games, AI agents, and DeFi at scale. The Flow REST API (Access API) enables developers to query accounts, blocks, collections, events, and transactions, execute Cadence scripts, and submit signed transactions to the network. Flow supports both native Cadence smart contracts and EVM-compatible Solidity deployments.

1 APIs 0 Features

BlockchainNFTsGamesDeFiLayer 1CadenceSmart ContractsWeb3

APIs

Flow Access REST API

The Flow Access REST API provides HTTP endpoints for querying on-chain data including blocks, transactions, collections, execution results, accounts, and events. It also support...

Pricing Plans

Plans

3 plans

PLANS

Rate Limits

0 limits

RATE LIMITS

FinOps

Finops

FINOPS

Semantic Vocabularies

context Context

30 classes · 77 properties

JSON-LD

Example Payloads

Account

6 fields

EXAMPLE

Block

4 fields

EXAMPLE

Event

5 fields

EXAMPLE

Submit Transaction

9 fields

EXAMPLE

Transaction

13 fields

EXAMPLE

Sources

name: Flow
description: Flow is a developer-friendly Layer 1 proof-of-stake blockchain built for consumer applications, NFTs, games,
  AI agents, and DeFi at scale. The Flow REST API (Access API) enables developers to query accounts, blocks, collections,
  events, and transactions, execute Cadence scripts, and submit signed transactions to the network. Flow supports both native
  Cadence smart contracts and EVM-compatible Solidity deployments.
image: https://developers.flow.com/img/flow-docs-logo.png
tags:
- Blockchain
- NFTs
- Games
- DeFi
- Layer 1
- Cadence
- Smart Contracts
- Web3
created: '2026-06-13'
modified: '2026-06-13'
url: https://raw.githubusercontent.com/api-evangelist/flow-blockchain/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- name: Flow Access REST API
  description: The Flow Access REST API provides HTTP endpoints for querying on-chain data including blocks, transactions,
    collections, execution results, accounts, and events. It also supports executing read-only Cadence scripts and submitting
    signed transactions to the Flow network.
  image: https://developers.flow.com/img/flow-docs-logo.png
  humanURL: https://developers.flow.com/http-api
  baseURL: https://rest-mainnet.onflow.org/v1
  tags:
  - Blockchain
  - REST API
  - Transactions
  - Blocks
  - Accounts
  - Events
  - Cadence
  properties:
  - type: Documentation
    url: https://developers.flow.com/http-api
  - type: OpenAPI
    url: https://raw.githubusercontent.com/onflow/flow/master/openapi/access.yaml
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/flow-blockchain/refs/heads/main/plans/plans.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/flow-blockchain/refs/heads/main/rate-limits/rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/flow-blockchain/refs/heads/main/finops/finops.yml
  contact:
  - FN: Flow Developer Support
    url: https://developers.flow.com/community
  - FN: Flow Discord
    url: https://discord.gg/flow
maintainers:
- FN: Kin Lane
  X-github: kinlane
  email: kin@apievangelist.com