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.
Kin Score
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
PLANSRate Limits 1
Documented rate limits and quota policies.
Hiro Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Hiro Finops
FINOPSSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
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