Iron Fish

Iron Fish is a zero-knowledge Layer 1 blockchain that brings optional, best-in-class privacy to cryptocurrency. Built on zk-SNARK cryptography, it lets anyone send, receive, and bridge assets privately across 20+ EVM-compatible chains while running their own node. For developers, Iron Fish exposes a self-hosted node RPC server (over TCP, IPC, and HTTP with JSON and streaming responses) organized into chain, wallet, node, peer, miner, config, event, mempool, and worker namespaces, plus a hosted public REST API at api.ironfish.network powering the block explorer and faucet. Integration is supported by a first-party JavaScript SDK (@ironfish/sdk), Rust/Node bindings, and the ironfish CLI for node operation, wallet management, mining, and multisig. Backed by a16z and Electric Capital.

Iron Fish publishes 1 API on the APIs.io network. Tagged areas include Blockchain, Cryptocurrency, Privacy, Zero Knowledge, and Layer 1.

Iron Fish’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, CLI, authentication, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

31.4/100 thin ▬ flat Agent 10/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

1 APIs

BlockchainCryptocurrencyPrivacyZero KnowledgeLayer 1Web3RPCWallet

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 31.4/100 · thin

Contract Quality 0.0 / 25

Developer Ergonomics 13.0 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 10/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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/iron-fish: 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 1

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

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SDKs

CLI

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

ChangeLog

ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Whitepaper

Whitepaper

Source (apis.yml)

aid: iron-fish
name: Iron Fish
description: Iron Fish is a zero-knowledge Layer 1 blockchain that brings optional, best-in-class privacy to cryptocurrency.
  Built on zk-SNARK cryptography, it lets anyone send, receive, and bridge assets privately across 20+ EVM-compatible chains
  while running their own node. For developers, Iron Fish exposes a self-hosted node RPC server (over TCP, IPC, and HTTP with
  JSON and streaming responses) organized into chain, wallet, node, peer, miner, config, event, mempool, and worker namespaces,
  plus a hosted public REST API at api.ironfish.network powering the block explorer and faucet. Integration is supported by
  a first-party JavaScript SDK (@ironfish/sdk), Rust/Node bindings, and the ironfish CLI for node operation, wallet management,
  mining, and multisig. Backed by a16z and Electric Capital.
url: https://raw.githubusercontent.com/api-evangelist/iron-fish/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- electric-capital
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://avatars.githubusercontent.com/u/43299557?v=4
tags:
- Blockchain
- Cryptocurrency
- Privacy
- Zero Knowledge
- Layer 1
- Web3
- RPC
- Wallet
apis:
- name: Iron Fish Public REST API
  description: Hosted public REST API (the block-explorer and faucet backend) exposing blocks, transactions, and network data
    with a list/object JSON envelope and cursor-style pagination. No authentication required for read endpoints.
  humanURL: https://github.com/iron-fish/ironfish-api
  baseURL: https://api.ironfish.network
  tags:
  - Blockchain
  - Block Explorer
  - REST
  properties:
  - type: APIReference
    url: https://ironfish.network/developers/documentation/integration_rpc
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://ironfish.network/
- type: DeveloperPortal
  url: https://ironfish.network/developers/documentation
- type: Documentation
  url: https://ironfish.network/developers/documentation
- type: APIReference
  url: https://ironfish.network/developers/documentation/integration_rpc
- type: GettingStarted
  url: https://ironfish.network/developers/documentation/install-npm
- type: GitHubOrganization
  url: https://github.com/iron-fish
- type: Blog
  url: https://ironfish.network/learn/blog
- type: Support
  url: https://discord.ironfish.network/
- type: TermsOfService
  url: https://ironfish.network/terms-and-conditions
- type: PrivacyPolicy
  url: https://ironfish.network/privacy-policy
- type: Whitepaper
  url: https://ironfish.network/learn/whitepaper
- type: Packages
  url: packages/iron-fish-packages.yml
- type: SDKs
  url: packages/iron-fish-packages.yml
- type: CLI
  url: cli/iron-fish-cli.yml
- type: Authentication
  url: authentication/iron-fish-authentication.yml
- type: Conventions
  url: conventions/iron-fish-conventions.yml
- type: ChangeLog
  url: changelog/iron-fish-changelog.yml
- type: LLMsTxt
  url: llms/iron-fish-llms.txt
- type: DomainSecurity
  url: security/iron-fish-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence