Hiro

Hiro Blocks API

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

GitHub OpenAPI

Operations 37

3 of 37 operations are conformant: apis.io called them with no credentials and the responses matched this contract; 3 more answered but could not be checked against a schema. Checked 2026-11-12. how this works · status file

GET /signer-metrics/v1/blocks Aggregated signer information for most recent blocks conformant #
GET /signer-metrics/v1/blocks/{height_or_hash} Aggregated signer information for a block #
GET /extended/v1/block/ Get recent blocks conformant #
GET /extended/v1/block/by_height/{height} Get block by height #
GET /extended/v1/block/by_burn_block_height/{burn_block_height} Get block by burnchain height #
GET /extended/v1/block/{hash} Get block by hash #
GET /extended/v1/block/by_burn_block_hash/{burn_block_hash} Get block by burnchain block hash #
GET /extended/v2/blocks/ Get blocks conformant #
GET /extended/v2/blocks/average-times Get average block times #
GET /extended/v2/blocks/{height_or_hash} Get block #
GET /extended/v2/blocks/{height_or_hash}/signer-signatures Get signer signatures for block #
GET /extended/v2/block-tenures/{tenure_height}/blocks Get blocks by tenure #
GET /v3/blocks/{block_id} Get Nakamoto block by ID #
GET /v3/blocks/height/{block_height} Fetch a Nakamoto block by its height and optional tip #
GET /v3/tenures/info Fetch metadata about the ongoing Nakamoto tenure observed #
GET /v3/tenures/{block_id} Fetch a sequence of Nakamoto blocks in a tenure #
GET /v3/tenures/blocks/{consensus_hash} Get the list of Stacks blocks in a tenure #
GET /v3/tenures/blocks/hash/{burnchain_block_hash} Get the list of Nakamoto Stacks blocks in a tenure given Bitcoin block hash #
GET /v3/tenures/blocks/height/{burnchain_block_height} Get the list of Nakamoto Stacks blocks in a tenure given Bitcoin block height #
GET /v3/sortitions Get latest sortition information observed #
GET /v3/sortitions/latest_and_last Get latest and last winning sortitions observed #
GET /v3/sortitions/consensus/{consensus_hash} Get sortition by consensus hash #
GET /v3/sortitions/burn/{burn_header_hash} Get sortition by burn header hash #
GET /v3/sortitions/burn_height/{height} Get sortition by burn block height #
GET /v3/signer/{signer_pubkey}/{cycle_number} Get number of blocks signed by signer during a given reward cycle #
GET /v2/microblocks/confirmed/{block_id} Get stream of confirmed microblocks (Epoch 2.x) #
GET /v2/microblocks/{microblock_id} Get a stream of microblocks beginning with the given microblock (Epoch 2.x) #
GET /v2/microblocks/unconfirmed/{block_id}/{seq} Get stream of unconfirmed microblocks (Epoch 2.x) #
POST /v2/microblocks Submit a microblock (Epoch 2.x) #
GET /v2/headers/{quantity} Get recent 2.x block headers #
GET /v2/blocks/{block_id} Get Stacks 2.x block by ID #
GET /v3/tenures/fork_info/{start}/{stop} Get tenure fork information #
GET /v3/tenures/tip/{consensus_hash} Get tenure tip #
GET /v3/tenures/tip_metadata/{consensus_hash} Get tenure tip with metadata #
POST /v3/blocks/upload Upload a Nakamoto block #
GET /v3/blocks/replay/{block_id} Replay mining of a block and returns its content #
GET /v3/blocks/simulate/{block_id} Simulate mining of a block with the specified transactions and returns its… #

Documentation

📖
Documentation
https://docs.hiro.so/stacks/api
📖
Documentation
https://docs.hiro.so/stacks/rpc-api
📖
Documentation
https://docs.hiro.so/stacks/token-metadata-api
📖
Documentation
https://docs.hiro.so/stacks/signer-metrics-api

Specifications

⚙
OpenAPI
https://artifacts.apis.io/hiro/openapi/hiro-blocks-api-openapi.yml

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OpenAPI Specification

hiro-blocks-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Hiro Blocks API
  version: '1.0'
  description: 'Operations tagged Blocks across 3 of this provider''s published API definitions: hiro-signer-metrics-api-openapi.yaml, hiro-stacks-blockchain-api-openapi.yaml, hiro-stacks-node-rpc-api-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.hiro.so/
  description: mainnet
- url: https://api.testnet.hiro.so/
  description: testnet
- url: http://localhost:20443
  description: Local Stacks Node
tags:


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# Full source: https://artifacts.apis.io/hiro/openapi/hiro-blocks-api-openapi.yml