Hiro website screenshot

Hiro

Hiro builds developer tooling for Bitcoin and the Stacks layer. Provides REST APIs (Stacks Blockchain API, Token Metadata API, Signer Metrics API, Chainhooks API, Platform API), Stacks Node JSON-RPC, plus the Hiro Platform for managing devnets and chainhooks.

Hiro publishes 24 APIs on the APIs.io network, including Accounts API, Atlas API, Blocks API, and 21 more. Tagged areas include Web3, Blockchain, Bitcoin, Stacks, and sBTC.

Hiro’s developer surface includes authentication, engineering blog, and 8 more developer resources.

35.4/100 thin ▬ flat Agent 44/100 agent ready Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
26 APIs
Web3BlockchainBitcoinStackssBTCIndexing

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 35.4/100 · thin
Contract Quality 14.1 / 25
Developer Ergonomics 2.6 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 44/100 · 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 0 / 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/hiro: 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 26

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

Hiro Chainhooks API

REST API for Chainhook predicate registration and event streaming for Bitcoin and Stacks.

Hiro Platform API

REST API to programmatically manage Hiro Platform devnets and chainhooks.

Hiro Accounts API

Read-only endpoints to obtain Stacks account details

Hiro Atlas API

Operations related to the Atlas global namespace.

Hiro Blocks API

The Blocks API from Hiro — 37 operation(s) for blocks.

Hiro Blocks Proposals API

The Blocks Proposals API from Hiro — 2 operation(s) for blocks proposals.

Hiro Burn Blocks API

Read-only endpoints to obtain burn block details

Hiro Faucets API

Endpoints to request STX or BTC tokens (not possible on Mainnet)

Hiro Fees API

Read-only endpoints to obtain fee details

Hiro Fungible Tokens API

The Fungible Tokens API from Hiro — 1 operation(s) for fungible tokens.

Hiro Info API

Read-only endpoints to obtain network, Proof-of-Transfer, Stacking, STX token, and node information

Hiro Mempool API

Endpoints to obtain Mempool information

Hiro Microblocks API

Read-only endpoints to obtain microblocks details

Hiro Mining API

Endpoints related to Stacks block production and mining.

Hiro Names API

Read-only endpoints realted to the Blockchain Naming System on Stacks

Hiro Non-Fungible Tokens API

Read-only endpoints to obtain non-fungible token details

Hiro Proof of Transfer API

Endpoints to get information about the Proof of Transfer consensus mechanism

Hiro Search API

Read-only endpoints to search for accounts, blocks, smart contracts, and transactions

Hiro Signers API

The Signers API from Hiro — 4 operation(s) for signers.

Hiro Smart Contracts API

Read-only endpoints to obtain Clarity smart contract details

Hiro StackerDB API

Endpoints for interacting with StackerDB instances.

Hiro Stacking API

The Stacking API from Hiro — 4 operation(s) for stacking.

Hiro Stacking Rewards API

Read-only endpoints to obtain Stacking reward details

Hiro Status API

Service status endpoints

Hiro Tokens API

Token metadata endpoints

Hiro Transactions API

Endpoints to obtain transaction details and to broadcast transactions to the network

Scroll for all 26

Pricing Plans 1

Published pricing tiers and plan structures.

Hiro Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Hiro Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Hiro Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Hiro Authentication

apiKey · 1 scheme

SECURITY

Hiro Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Hiro Agentic Access

154 operations · 14 acting

154 operations · 14 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: hiro
url: https://raw.githubusercontent.com/api-evangelist/hiro/refs/heads/main/apis.yml
name: Hiro
kind: company
description: Hiro builds developer tooling for Bitcoin and the Stacks layer. Provides REST APIs (Stacks Blockchain API, Token
  Metadata API, Signer Metrics API, Chainhooks API, Platform API), Stacks Node JSON-RPC, plus the Hiro Platform for managing
  devnets and chainhooks.
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/hiro.png
tags:
- Web3
- Blockchain
- Bitcoin
- Stacks
- sBTC
- Indexing
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: hiro:chainhooks-api
  name: Hiro Chainhooks API
  description: REST API for Chainhook predicate registration and event streaming for Bitcoin and Stacks.
  humanURL: https://docs.hiro.so/stacks/chainhook
  baseURL: https://api.platform.hiro.so
  tags:
  - REST
  - Chainhook
  - Webhooks
  properties:
  - type: Documentation
    url: https://docs.hiro.so/stacks/chainhook
- aid: hiro:platform-api
  name: Hiro Platform API
  description: REST API to programmatically manage Hiro Platform devnets and chainhooks.
  humanURL: https://docs.hiro.so/stacks/platform-api
  baseURL: https://api.platform.hiro.so
  tags:
  - REST
  - Platform
  properties:
  - type: Documentation
    url: https://docs.hiro.so/stacks/platform-api
- aid: hiro:hiro-accounts-api
  name: Hiro Accounts API
  description: Read-only endpoints to obtain Stacks account details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/hiro-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-atlas-api
  name: Hiro Atlas API
  description: Operations related to the Atlas global namespace.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Atlas
  properties:
  - type: OpenAPI
    url: openapi/hiro-atlas-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-blocks-api
  name: Hiro Blocks API
  description: The Blocks API from Hiro — 37 operation(s) for blocks.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Blocks
  properties:
  - type: OpenAPI
    url: openapi/hiro-blocks-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-blocks-proposals-api
  name: Hiro Blocks Proposals API
  description: The Blocks Proposals API from Hiro — 2 operation(s) for blocks proposals.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Blocks Proposals
  properties:
  - type: OpenAPI
    url: openapi/hiro-blocks-proposals-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-burn-blocks-api
  name: Hiro Burn Blocks API
  description: Read-only endpoints to obtain burn block details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Burn Blocks
  properties:
  - type: OpenAPI
    url: openapi/hiro-burn-blocks-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-faucets-api
  name: Hiro Faucets API
  description: Endpoints to request STX or BTC tokens (not possible on Mainnet)
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Faucets
  properties:
  - type: OpenAPI
    url: openapi/hiro-faucets-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-fees-api
  name: Hiro Fees API
  description: Read-only endpoints to obtain fee details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Fees
  properties:
  - type: OpenAPI
    url: openapi/hiro-fees-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-fungible-tokens-api
  name: Hiro Fungible Tokens API
  description: The Fungible Tokens API from Hiro — 1 operation(s) for fungible tokens.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Fungible Tokens
  properties:
  - type: OpenAPI
    url: openapi/hiro-fungible-tokens-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-info-api
  name: Hiro Info API
  description: Read-only endpoints to obtain network, Proof-of-Transfer, Stacking, STX token, and node information
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Info
  properties:
  - type: OpenAPI
    url: openapi/hiro-info-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-mempool-api
  name: Hiro Mempool API
  description: Endpoints to obtain Mempool information
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Mempool
  properties:
  - type: OpenAPI
    url: openapi/hiro-mempool-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-microblocks-api
  name: Hiro Microblocks API
  description: Read-only endpoints to obtain microblocks details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Microblocks
  properties:
  - type: OpenAPI
    url: openapi/hiro-microblocks-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-mining-api
  name: Hiro Mining API
  description: Endpoints related to Stacks block production and mining.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Mining
  properties:
  - type: OpenAPI
    url: openapi/hiro-mining-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-names-api
  name: Hiro Names API
  description: Read-only endpoints realted to the Blockchain Naming System on Stacks
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Names
  properties:
  - type: OpenAPI
    url: openapi/hiro-names-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-non-fungible-tokens-api
  name: Hiro Non-Fungible Tokens API
  description: Read-only endpoints to obtain non-fungible token details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Non-Fungible Tokens
  properties:
  - type: OpenAPI
    url: openapi/hiro-non-fungible-tokens-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-proof-of-transfer-api
  name: Hiro Proof of Transfer API
  description: Endpoints to get information about the Proof of Transfer consensus mechanism
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Proof of Transfer
  properties:
  - type: OpenAPI
    url: openapi/hiro-proof-of-transfer-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-search-api
  name: Hiro Search API
  description: Read-only endpoints to search for accounts, blocks, smart contracts, and transactions
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/hiro-search-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-signers-api
  name: Hiro Signers API
  description: The Signers API from Hiro — 4 operation(s) for signers.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Signers
  properties:
  - type: OpenAPI
    url: openapi/hiro-signers-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-smart-contracts-api
  name: Hiro Smart Contracts API
  description: Read-only endpoints to obtain Clarity smart contract details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Smart Contracts
  properties:
  - type: OpenAPI
    url: openapi/hiro-smart-contracts-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-stackerdb-api
  name: Hiro StackerDB API
  description: Endpoints for interacting with StackerDB instances.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - StackerDB
  properties:
  - type: OpenAPI
    url: openapi/hiro-stackerdb-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-stacking-api
  name: Hiro Stacking API
  description: The Stacking API from Hiro — 4 operation(s) for stacking.
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Stacking
  properties:
  - type: OpenAPI
    url: openapi/hiro-stacking-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-stacking-rewards-api
  name: Hiro Stacking Rewards API
  description: Read-only endpoints to obtain Stacking reward details
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Stacking Rewards
  properties:
  - type: OpenAPI
    url: openapi/hiro-stacking-rewards-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-status-api
  name: Hiro Status API
  description: Service status endpoints
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Status
  properties:
  - type: OpenAPI
    url: openapi/hiro-status-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-tokens-api
  name: Hiro Tokens API
  description: Token metadata endpoints
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Tokens
  properties:
  - type: OpenAPI
    url: openapi/hiro-tokens-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
- aid: hiro:hiro-transactions-api
  name: Hiro Transactions API
  description: Endpoints to obtain transaction details and to broadcast transactions to the network
  humanURL: https://docs.hiro.so/stacks/api
  baseURL: https://api.mainnet.hiro.so
  tags:
  - Transactions
  properties:
  - type: OpenAPI
    url: openapi/hiro-transactions-api-openapi.yml
  - type: Documentation
    url: https://docs.hiro.so/stacks/api
  - type: Documentation
    url: https://docs.hiro.so/stacks/rpc-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/token-metadata-api
  - type: Documentation
    url: https://docs.hiro.so/stacks/signer-metrics-api
common:
- type: AgenticAccess
  url: agentic-access/hiro-agentic-access.yml
- type: DomainSecurity
  url: security/hiro-domain-security.yml
- type: Authentication
  url: authentication/hiro-authentication.yml
- type: Blog
  url: https://www.hiro.so/blog/rss.xml
- type: GitHubOrganization
  url: https://github.com/hirosystems
- type: LinkedIn
  url: https://www.linkedin.com/company/hiro-systems
- type: Website
  url: https://www.hiro.so/
- type: Plans
  url: plans/hiro-plans-pricing.yml
- type: RateLimits
  url: rate-limits/hiro-rate-limits.yml
- type: FinOps
  url: finops/hiro-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com