Hiro · Capability
Stacks Blockchain API — Transactions
Stacks Blockchain API — Transactions. 13 operations. Lead operation: Transactions for address. Self-contained Naftiko capability covering one Hiro business surface.
What You Can Do
GET
Getaddressmempooltransactions
— Transactions for address
/v1/extended/v1/address/{principal}/mempool
GET
Gettransactionlist
— Get recent transactions
/v1/extended/v1/tx
GET
Gettransactionsbyblockhash
— Transactions by block hash
/v1/extended/v1/tx/block/{block-hash}
GET
Gettransactionsbyblockheight
— Transactions by block height
/v1/extended/v1/tx/block-height/{height}
GET
Getfilteredevents
— Transaction Events
/v1/extended/v1/tx/events
GET
Getmempooltransactionlist
— Get mempool transactions
/v1/extended/v1/tx/mempool
GET
Getmempooltransactionstats
— Get statistics for mempool transactions
/v1/extended/v1/tx/mempool/stats
GET
Gettxlistdetails
— Get list of details for transactions
/v1/extended/v1/tx/multiple
GET
Gettransactionbyid
— Get transaction
/v1/extended/v1/tx/{tx-id}
GET
Getrawtransactionbyid
— Get raw transaction
/v1/extended/v1/tx/{tx-id}/raw
GET
Getaddresstransactions
— Get address transactions
/v1/extended/v2/addresses/{address}/transactions
GET
Getaddresstransactionevents
— Get events for an address transaction
/v1/extended/v2/addresses/{address}/transactions/{tx-id}/events
GET
Gettransactionsbyblock
— Get transactions by block
/v1/extended/v2/blocks/{height-or-hash}/transactions
MCP Tools
transactions-address
Transactions for address
read-only
idempotent
get-recent-transactions
Get recent transactions
read-only
idempotent
transactions-block-hash
Transactions by block hash
read-only
idempotent
transactions-block-height
Transactions by block height
read-only
idempotent
transaction-events
Transaction Events
read-only
idempotent
get-mempool-transactions
Get mempool transactions
read-only
idempotent
get-statistics-mempool-transactions
Get statistics for mempool transactions
read-only
idempotent
get-list-details-transactions
Get list of details for transactions
read-only
idempotent
get-transaction
Get transaction
read-only
idempotent
get-raw-transaction
Get raw transaction
read-only
idempotent
get-address-transactions
Get address transactions
read-only
idempotent
get-events-address-transaction
Get events for an address transaction
read-only
idempotent
get-transactions-block
Get transactions by block
read-only
idempotent
Capability Spec
naftiko: 1.0.0-alpha2
info:
label: Stacks Blockchain API — Transactions
description: 'Stacks Blockchain API — Transactions. 13 operations. Lead operation: Transactions for address. Self-contained
Naftiko capability covering one Hiro business surface.'
tags:
- Hiro
- Transactions
created: '2026-05-19'
modified: '2026-05-19'
binds:
- namespace: env
keys:
HIRO_API_KEY: HIRO_API_KEY
capability:
consumes:
- type: http
namespace: stacks-blockchain-transactions
baseUri: https://api.hiro.so
description: Stacks Blockchain API — Transactions business capability. Self-contained, no shared references.
resources:
- name: extended-v1-address-principal-mempool
path: /extended/v1/address/{principal}/mempool
operations:
- name: getaddressmempooltransactions
method: GET
description: Transactions for address
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: limit
in: query
type: integer
description: Results per page
- name: offset
in: query
type: integer
description: Result offset
- name: unanchored
in: query
type: boolean
description: Include data from unanchored (i.e. unconfirmed) microblocks
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: principal
in: path
type: string
required: true
- name: extended-v1-tx
path: /extended/v1/tx/
operations:
- name: gettransactionlist
method: GET
description: Get recent transactions
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: offset
in: query
type: integer
description: Result offset
- name: limit
in: query
type: integer
description: Results per page
- name: type
in: query
type: array
- name: unanchored
in: query
type: boolean
description: Include data from unanchored (i.e. unconfirmed) microblocks
- name: order
in: query
type: string
- name: sort_by
in: query
type: string
description: Option to sort results by block height, timestamp, or fee
- name: from_address
in: query
type: string
description: Option to filter results by sender address
- name: to_address
in: query
type: string
description: Option to filter results by recipient address
- name: start_time
in: query
type: integer
description: Filter by transactions after this timestamp (unix timestamp in seconds)
- name: end_time
in: query
type: integer
description: Filter by transactions before this timestamp (unix timestamp in seconds)
- name: contract_id
in: query
type: string
description: Option to filter results by contract ID
- name: function_name
in: query
type: string
description: Filter by contract call transactions involving this function name
- name: nonce
in: query
type: integer
description: Filter by transactions with this nonce
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: extended-v1-tx-block-block_hash
path: /extended/v1/tx/block/{block_hash}
operations:
- name: gettransactionsbyblockhash
method: GET
description: Transactions by block hash
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: offset
in: query
type: integer
description: Result offset
- name: limit
in: query
type: integer
description: Results per page
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: block_hash
in: path
type: string
required: true
- name: extended-v1-tx-block_height-height
path: /extended/v1/tx/block_height/{height}
operations:
- name: gettransactionsbyblockheight
method: GET
description: Transactions by block height
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: offset
in: query
type: integer
description: Result offset
- name: limit
in: query
type: integer
description: Results per page
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: height
in: path
type: integer
description: Block height
required: true
- name: extended-v1-tx-events
path: /extended/v1/tx/events
operations:
- name: getfilteredevents
method: GET
description: Transaction Events
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: tx_id
in: query
type: string
description: Transaction ID
- name: address
in: query
type: string
- name: type
in: query
type: array
- name: offset
in: query
type: integer
description: Result offset
- name: limit
in: query
type: integer
description: Results per page
- name: extended-v1-tx-mempool
path: /extended/v1/tx/mempool
operations:
- name: getmempooltransactionlist
method: GET
description: Get mempool transactions
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: sender_address
in: query
type: string
description: STX Address
- name: recipient_address
in: query
type: string
description: STX Address
- name: address
in: query
type: string
description: STX Address
- name: order_by
in: query
type: string
description: Option to sort results by transaction age, size, or fee rate.
- name: order
in: query
type: string
description: Results order
- name: unanchored
in: query
type: boolean
description: Include data from unanchored (i.e. unconfirmed) microblocks
- name: offset
in: query
type: integer
description: Result offset
- name: limit
in: query
type: integer
description: Results per page
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: extended-v1-tx-mempool-stats
path: /extended/v1/tx/mempool/stats
operations:
- name: getmempooltransactionstats
method: GET
description: Get statistics for mempool transactions
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
- name: extended-v1-tx-multiple
path: /extended/v1/tx/multiple
operations:
- name: gettxlistdetails
method: GET
description: Get list of details for transactions
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: tx_id
in: query
type: array
required: true
- name: event_limit
in: query
type: integer
description: Results per page
- name: event_offset
in: query
type: integer
description: Result offset
- name: unanchored
in: query
type: boolean
description: Include data from unanchored (i.e. unconfirmed) microblocks
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: extended-v1-tx-tx_id
path: /extended/v1/tx/{tx_id}
operations:
- name: gettransactionbyid
method: GET
description: Get transaction
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: event_limit
in: query
type: integer
description: Results per page
- name: event_offset
in: query
type: integer
description: Result offset
- name: unanchored
in: query
type: boolean
description: Include data from unanchored (i.e. unconfirmed) microblocks
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: tx_id
in: path
type: string
description: Transaction ID
required: true
- name: extended-v1-tx-tx_id-raw
path: /extended/v1/tx/{tx_id}/raw
operations:
- name: getrawtransactionbyid
method: GET
description: Get raw transaction
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: event_limit
in: query
type: integer
description: Results per page
- name: event_offset
in: query
type: integer
description: Result offset
- name: tx_id
in: path
type: string
description: Transaction ID
required: true
- name: extended-v2-addresses-address-transactions
path: /extended/v2/addresses/{address}/transactions
operations:
- name: getaddresstransactions
method: GET
description: Get address transactions
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: limit
in: query
type: integer
description: Results per page
- name: offset
in: query
type: integer
description: Result offset
- name: exclude_function_args
in: query
type: boolean
description: Exclude function_args from contract call responses for smaller transaction sizes.
- name: address
in: path
type: string
required: true
- name: extended-v2-addresses-address-transactions-tx_id-events
path: /extended/v2/addresses/{address}/transactions/{tx_id}/events
operations:
- name: getaddresstransactionevents
method: GET
description: Get events for an address transaction
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: limit
in: query
type: integer
description: Results per page
- name: offset
in: query
type: integer
description: Result offset
- name: address
in: path
type: string
required: true
- name: tx_id
in: path
type: string
description: Transaction ID
required: true
- name: extended-v2-blocks-height_or_hash-transactions
path: /extended/v2/blocks/{height_or_hash}/transactions
operations:
- name: gettransactionsbyblock
method: GET
description: Get transactions by block
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: limit
in: query
type: integer
description: Results per page
- name: offset
in: query
type: integer
description: Result offset
- name: height_or_hash
in: path
type: string
required: true
exposes:
- type: rest
namespace: stacks-blockchain-transactions-rest
port: 8080
description: REST adapter for Stacks Blockchain API — Transactions. One Spectral-compliant resource per consumed operation,
prefixed with /v1.
resources:
- path: /v1/extended/v1/address/{principal}/mempool
name: extended-v1-address-principal-mempool
description: REST surface for extended-v1-address-principal-mempool.
operations:
- method: GET
name: getaddressmempooltransactions
description: Transactions for address
call: stacks-blockchain-transactions.getaddressmempooltransactions
with:
limit: rest.limit
offset: rest.offset
unanchored: rest.unanchored
exclude_function_args: rest.exclude_function_args
principal: rest.principal
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx
name: extended-v1-tx
description: REST surface for extended-v1-tx.
operations:
- method: GET
name: gettransactionlist
description: Get recent transactions
call: stacks-blockchain-transactions.gettransactionlist
with:
offset: rest.offset
limit: rest.limit
type: rest.type
unanchored: rest.unanchored
order: rest.order
sort_by: rest.sort_by
from_address: rest.from_address
to_address: rest.to_address
start_time: rest.start_time
end_time: rest.end_time
contract_id: rest.contract_id
function_name: rest.function_name
nonce: rest.nonce
exclude_function_args: rest.exclude_function_args
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/block/{block-hash}
name: extended-v1-tx-block-block-hash
description: REST surface for extended-v1-tx-block-block_hash.
operations:
- method: GET
name: gettransactionsbyblockhash
description: Transactions by block hash
call: stacks-blockchain-transactions.gettransactionsbyblockhash
with:
offset: rest.offset
limit: rest.limit
exclude_function_args: rest.exclude_function_args
block_hash: rest.block_hash
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/block-height/{height}
name: extended-v1-tx-block-height-height
description: REST surface for extended-v1-tx-block_height-height.
operations:
- method: GET
name: gettransactionsbyblockheight
description: Transactions by block height
call: stacks-blockchain-transactions.gettransactionsbyblockheight
with:
offset: rest.offset
limit: rest.limit
exclude_function_args: rest.exclude_function_args
height: rest.height
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/events
name: extended-v1-tx-events
description: REST surface for extended-v1-tx-events.
operations:
- method: GET
name: getfilteredevents
description: Transaction Events
call: stacks-blockchain-transactions.getfilteredevents
with:
tx_id: rest.tx_id
address: rest.address
type: rest.type
offset: rest.offset
limit: rest.limit
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/mempool
name: extended-v1-tx-mempool
description: REST surface for extended-v1-tx-mempool.
operations:
- method: GET
name: getmempooltransactionlist
description: Get mempool transactions
call: stacks-blockchain-transactions.getmempooltransactionlist
with:
sender_address: rest.sender_address
recipient_address: rest.recipient_address
address: rest.address
order_by: rest.order_by
order: rest.order
unanchored: rest.unanchored
offset: rest.offset
limit: rest.limit
exclude_function_args: rest.exclude_function_args
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/mempool/stats
name: extended-v1-tx-mempool-stats
description: REST surface for extended-v1-tx-mempool-stats.
operations:
- method: GET
name: getmempooltransactionstats
description: Get statistics for mempool transactions
call: stacks-blockchain-transactions.getmempooltransactionstats
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/multiple
name: extended-v1-tx-multiple
description: REST surface for extended-v1-tx-multiple.
operations:
- method: GET
name: gettxlistdetails
description: Get list of details for transactions
call: stacks-blockchain-transactions.gettxlistdetails
with:
tx_id: rest.tx_id
event_limit: rest.event_limit
event_offset: rest.event_offset
unanchored: rest.unanchored
exclude_function_args: rest.exclude_function_args
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/{tx-id}
name: extended-v1-tx-tx-id
description: REST surface for extended-v1-tx-tx_id.
operations:
- method: GET
name: gettransactionbyid
description: Get transaction
call: stacks-blockchain-transactions.gettransactionbyid
with:
event_limit: rest.event_limit
event_offset: rest.event_offset
unanchored: rest.unanchored
exclude_function_args: rest.exclude_function_args
tx_id: rest.tx_id
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v1/tx/{tx-id}/raw
name: extended-v1-tx-tx-id-raw
description: REST surface for extended-v1-tx-tx_id-raw.
operations:
- method: GET
name: getrawtransactionbyid
description: Get raw transaction
call: stacks-blockchain-transactions.getrawtransactionbyid
with:
event_limit: rest.event_limit
event_offset: rest.event_offset
tx_id: rest.tx_id
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v2/addresses/{address}/transactions
name: extended-v2-addresses-address-transactions
description: REST surface for extended-v2-addresses-address-transactions.
operations:
- method: GET
name: getaddresstransactions
description: Get address transactions
call: stacks-blockchain-transactions.getaddresstransactions
with:
limit: rest.limit
offset: rest.offset
exclude_function_args: rest.exclude_function_args
address: rest.address
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v2/addresses/{address}/transactions/{tx-id}/events
name: extended-v2-addresses-address-transactions-tx-id-events
description: REST surface for extended-v2-addresses-address-transactions-tx_id-events.
operations:
- method: GET
name: getaddresstransactionevents
description: Get events for an address transaction
call: stacks-blockchain-transactions.getaddresstransactionevents
with:
limit: rest.limit
offset: rest.offset
address: rest.address
tx_id: rest.tx_id
outputParameters:
- type: object
mapping: $.
- path: /v1/extended/v2/blocks/{height-or-hash}/transactions
name: extended-v2-blocks-height-or-hash-transactions
description: REST surface for extended-v2-blocks-height_or_hash-transactions.
operations:
- method: GET
name: gettransactionsbyblock
description: Get transactions by block
call: stacks-blockchain-transactions.gettransactionsbyblock
with:
limit: rest.limit
offset: rest.offset
height_or_hash: rest.height_or_hash
outputParameters:
- type: object
mapping: $.
- type: mcp
namespace: stacks-blockchain-transactions-mcp
port: 9090
transport: http
description: MCP adapter for Stacks Blockchain API — Transactions. One tool per consumed operation, routed inline through
this capability's consumes block.
tools:
- name: transactions-address
description: Transactions for address
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getaddressmempooltransactions
with:
limit: tools.limit
offset: tools.offset
unanchored: tools.unanchored
exclude_function_args: tools.exclude_function_args
principal: tools.principal
outputParameters:
- type: object
mapping: $.
- name: get-recent-transactions
description: Get recent transactions
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettransactionlist
with:
offset: tools.offset
limit: tools.limit
type: tools.type
unanchored: tools.unanchored
order: tools.order
sort_by: tools.sort_by
from_address: tools.from_address
to_address: tools.to_address
start_time: tools.start_time
end_time: tools.end_time
contract_id: tools.contract_id
function_name: tools.function_name
nonce: tools.nonce
exclude_function_args: tools.exclude_function_args
outputParameters:
- type: object
mapping: $.
- name: transactions-block-hash
description: Transactions by block hash
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettransactionsbyblockhash
with:
offset: tools.offset
limit: tools.limit
exclude_function_args: tools.exclude_function_args
block_hash: tools.block_hash
outputParameters:
- type: object
mapping: $.
- name: transactions-block-height
description: Transactions by block height
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettransactionsbyblockheight
with:
offset: tools.offset
limit: tools.limit
exclude_function_args: tools.exclude_function_args
height: tools.height
outputParameters:
- type: object
mapping: $.
- name: transaction-events
description: Transaction Events
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getfilteredevents
with:
tx_id: tools.tx_id
address: tools.address
type: tools.type
offset: tools.offset
limit: tools.limit
outputParameters:
- type: object
mapping: $.
- name: get-mempool-transactions
description: Get mempool transactions
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getmempooltransactionlist
with:
sender_address: tools.sender_address
recipient_address: tools.recipient_address
address: tools.address
order_by: tools.order_by
order: tools.order
unanchored: tools.unanchored
offset: tools.offset
limit: tools.limit
exclude_function_args: tools.exclude_function_args
outputParameters:
- type: object
mapping: $.
- name: get-statistics-mempool-transactions
description: Get statistics for mempool transactions
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getmempooltransactionstats
outputParameters:
- type: object
mapping: $.
- name: get-list-details-transactions
description: Get list of details for transactions
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettxlistdetails
with:
tx_id: tools.tx_id
event_limit: tools.event_limit
event_offset: tools.event_offset
unanchored: tools.unanchored
exclude_function_args: tools.exclude_function_args
outputParameters:
- type: object
mapping: $.
- name: get-transaction
description: Get transaction
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettransactionbyid
with:
event_limit: tools.event_limit
event_offset: tools.event_offset
unanchored: tools.unanchored
exclude_function_args: tools.exclude_function_args
tx_id: tools.tx_id
outputParameters:
- type: object
mapping: $.
- name: get-raw-transaction
description: Get raw transaction
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getrawtransactionbyid
with:
event_limit: tools.event_limit
event_offset: tools.event_offset
tx_id: tools.tx_id
outputParameters:
- type: object
mapping: $.
- name: get-address-transactions
description: Get address transactions
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getaddresstransactions
with:
limit: tools.limit
offset: tools.offset
exclude_function_args: tools.exclude_function_args
address: tools.address
outputParameters:
- type: object
mapping: $.
- name: get-events-address-transaction
description: Get events for an address transaction
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.getaddresstransactionevents
with:
limit: tools.limit
offset: tools.offset
address: tools.address
tx_id: tools.tx_id
outputParameters:
- type: object
mapping: $.
- name: get-transactions-block
description: Get transactions by block
hints:
readOnly: true
destructive: false
idempotent: true
call: stacks-blockchain-transactions.gettransactionsbyblock
with:
limit: tools.limit
offset: tools.offset
height_or_hash: tools.height_or_hash
outputParameters:
- type: object
mapping: $.