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OpenAPI Specification
openapi: 3.2.0
info:
description: Cached proxy layer for multiple blockchain APIs with 24-hour caching and automatic fallback across chains. Supports both Blockscout and ThirdWeb Insights APIs. Add ?mintlify parameter for Mintlify-compatible version.
version: 1.0.0
title: B3 Data API - Multi-Chain Data Blockscout/transactions API
contact:
name: B3 Team
url: https://b3.fun
license:
name: Apache 2.0
url: http://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: https://data-api.b3.fun/
description: B3 Data API - Multi-Chain Proxy
tags:
- name: blockscout/transactions
description: Blockscout transaction data
paths:
/blockscout/internal-transactions:
get:
summary: Get Internal Transactions
operationId: get_internal_transactions
responses:
'200':
description: Internal Transactions
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/InternalTransaction'
next_page_params:
type: object
example:
block_number: 27170298
index: 0
transaction_index: 0
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}:
get:
summary: Get Transaction Info
operationId: get_tx
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: Transaction Info
content:
application/json:
schema:
$ref: '#/components/schemas/Transaction'
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/token-transfers:
get:
summary: Get Transaction Token Transfers
operationId: get_transaction_token_transfers
parameters:
- $ref: '#/components/parameters/transactionHash'
- in: query
name: type
schema:
type: string
example: ERC-20,ERC-721,ERC-1155
responses:
'200':
description: Token Transfers
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/TokenTransfer'
next_page_params:
type: object
example:
block_number: 27350206
index: 1
items_count: 50
transaction_hash: '0xa3b401d6f3124c9d1528cd8d4b692f523d86fd88e48c391ffe9c67e4436ae5ca'
examples:
large_1155_batch:
$ref: '#/components/examples/TokenTransferLarge1155Batch'
some_batches_on_the_first_page_and_one_on_the_second:
$ref: '#/components/examples/TokenTransferSomeBatchesOnTheFirstPageAndOneOnTheSecond'
a_lot_of_batches:
$ref: '#/components/examples/TokenTransferALotOfBatches'
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/internal-transactions:
get:
summary: Get Transaction Internal Transactions
operationId: get_transaction_internal_txs
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: Internal Transactions
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/InternalTransaction'
next_page_params:
type: object
example:
block_number: 27350206
index: 1
items_count: 50
transaction_index: 0
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/logs:
get:
summary: Get Transaction Logs
operationId: get_transaction_logs
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: Internal Transactions
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/Log'
next_page_params:
type: object
example:
index: 0
items_count: 50
block_number: 2
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/raw-trace:
get:
summary: Get Transaction Raw Trace
operationId: get_transaction_raw_trace
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: Raw Trace
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/RawTrace'
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/state-changes:
get:
summary: Get Transaction State Changes
operationId: get_transaction_state_changes
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: State Changes
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/StateChange'
next_page_params:
type: object
example:
items_count: 1
state_changes: null
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/transactions/{transaction_hash}/summary:
get:
summary: Get Human-Readable Transaction Summary
operationId: get_transaction_summary
parameters:
- $ref: '#/components/parameters/transactionHash'
responses:
'200':
description: Human-Readable Transaction Summary
content:
application/json:
schema:
$ref: '#/components/schemas/TransactionSummary'
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
/blockscout/addresses/{address_hash}/internal-transactions:
get:
summary: Get Address Internal Transactions
operationId: get_address_internal_txs
parameters:
- $ref: '#/components/parameters/addressHash'
- in: query
name: filter
schema:
type: string
example: to | from
responses:
'200':
description: Address
content:
application/json:
schema:
type: object
required:
- items
- next_page_params
properties:
items:
type: array
items:
$ref: '#/components/schemas/InternalTransaction'
next_page_params:
type: object
example:
block_number: 27625575
index: 0
items_count: 50
transaction_index: 0
'400':
description: Bad Input Parameter
tags:
- blockscout/transactions
components:
parameters:
addressHash:
name: address_hash
in: path
description: Address hash
required: true
schema:
type: string
pattern: ^0x([A-Fa-f0-9]{40})$
transactionHash:
schema:
type: string
required: true
name: transaction_hash
in: path
schemas:
AddressParam:
type: object
required:
- hash
- implementation_name
- is_contract
- is_verified
- name
- private_tags
- public_tags
- watchlist_names
properties:
hash:
type: string
example: '0xEb533ee5687044E622C69c58B1B12329F56eD9ad'
implementation_name:
type: string
example: implementationName
name:
type: string
example: contractName
ens_domain_name:
type: string
example: domain.eth
metadata:
type: object
example:
slug: tag_slug
name: Tag name
tagType: name
ordinal: 0
meta: {}
is_contract:
type: boolean
private_tags:
type: array
items:
$ref: '#/components/schemas/AddressTag'
watchlist_names:
type: array
items:
$ref: '#/components/schemas/WatchlistName'
public_tags:
type: array
items:
$ref: '#/components/schemas/AddressTag'
is_verified:
type: boolean
AddressTag:
type: object
required:
- address_hash
- display_name
- label
properties:
address_hash:
type: string
example: '0xEb533ee5687044E622C69c58B1B12329F56eD9ad'
display_name:
type: string
example: name to show
label:
type: string
example: label
DecodedInput:
type: object
required:
- method_call
- method_id
- parameters
properties:
method_call:
type: string
example: transferFrom(address _from, address _to, uint256 _value)
method_id:
type: string
example: 23b872dd
parameters:
type: array
items:
$ref: '#/components/schemas/DecodedInputParameter'
Summary:
type: object
required:
- summary_template
- summary_template_variables
properties:
summary_template:
type: string
example: '{action_type} of {amount} {token}'
description: Summary template
summary_template_variables:
$ref: '#/components/schemas/SummaryTemplateVariables'
description: Variables for summary
TransactionSummary:
type: object
required:
- success
- data
properties:
success:
type: boolean
example: true
data:
$ref: '#/components/schemas/TransactionSummaryObj'
Log:
type: object
required:
- address
- data
- decoded
- index
- smart_contract
- topics
- transaction_hash
properties:
address:
$ref: '#/components/schemas/AddressParam'
block_hash:
type: string
example: '0xf90fdff5f174f7f29ebdf203d32cad2fe95376e41880bb9e731ca5eb0eef7941'
block_number:
type: integer
example: 8844586
data:
type: string
example: '0x000000000000000000000000000000000000000000000000006a94d74f430000'
decoded:
$ref: '#/components/schemas/DecodedInputLog'
example:
method_call: Transfer(address indexed from, address indexed to, uint256 tokens)
method_id: '0x630cea8e'
parameters:
- name: signature
type: bytes
indexed?: true
value: '0x0'
- name: message
type: bytes
indexed?: false
value: '0x01'
index:
type: integer
example: 35
smart_contract:
$ref: '#/components/schemas/AddressParam'
topics:
type: array
items:
type: string
example: '0xe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c'
transaction_hash:
type: string
example: '0x08ea4d75ad0abe327a7fd368733eaeac43077989e635d800530d7906ebf3bd54'
SummaryVariableToken:
type: object
required:
- type
- value
properties:
type:
type: string
example: token
description: Type
value:
$ref: '#/components/schemas/TokenInfoDetailed'
description: Token info
TransactionActionUniswapV3BCS:
required:
- data
- protocol
- type
properties:
data:
type: object
example:
address0: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9'
address1: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48'
amount0: '1.289548595490270429'
amount1: '110.824768'
symbol0: AAVE
symbol1: USDC
protocol:
type: string
example: uniswap_v3
type:
type: string
example: burn | collect | swap
ERC20Or1155OrCoinChange:
type: string
example: '-10000000'
DecodedInputLog:
type: object
required:
- method_call
- method_id
- parameters
properties:
method_call:
type: string
example: transferFrom(address _from, address _to, uint256 _value)
method_id:
type: string
example: 23b872dd
parameters:
type: array
items:
$ref: '#/components/schemas/DecodedInputLogParameter'
RawTraceCreateAction:
type: object
required:
- from
- gas
- init
- value
properties:
from:
type: string
example: '0xf57b55b01b831e602e09674a4e5d69cbcf343f98'
gas:
type: string
example: '0x25D3FC'
init:
type: string
example: '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'
value:
type: string
example: '0x0'
InternalTransaction:
type: object
required:
- block_number
- created_contract
- error
- from
- gas_limit
- index
- success
- timestamp
- to
- transaction_hash
- type
- value
properties:
block_number:
type: integer
example: 8844586
created_contract:
$ref: '#/components/schemas/AddressParam'
error:
type: string
example: reverted
from:
$ref: '#/components/schemas/AddressParam'
gas_limit:
type: string
example: '351759'
index:
type: integer
example: 1
success:
type: boolean
example: true
timestamp:
type: string
example: '2023-04-17T10:37:12.000000Z'
to:
$ref: '#/components/schemas/AddressParam'
transaction_hash:
type: string
example: '0x08ea4d75ad0abe327a7fd368733eaeac43077989e635d800530d7906ebf3bd54'
type:
type: string
example: call
value:
type: string
example: '30000000000000000'
TransactionSummaryObj:
type: object
properties:
summaries:
type: array
items:
$ref: '#/components/schemas/Summary'
TotalERC721:
required:
- token_id
properties:
token_id:
type: string
example: '1'
token_instance:
$ref: '#/components/schemas/NFTInstance'
TokenInfo:
type: object
required:
- address
- circulating_market_cap
- icon_url
- symbol
- name
- decimals
- type
- holders
- exchange_rate
- total_supply
properties:
circulating_market_cap:
type: string
example: '83606435600.3635'
icon_url:
type: string
example: https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/assets/0xdAC17F958D2ee523a2206206994597C13D831ec7/logo.png
name:
type: string
example: Tether USD
decimals:
type: string
example: '6'
symbol:
type: string
example: USDT
address:
type: string
example: '0x394c399dbA25B99Ab7708EdB505d755B3aa29997'
type:
type: string
example: ERC-20
holders:
type: string
example: '837494234523'
exchange_rate:
type: string
example: '0.99'
total_supply:
type: string
example: '10000000'
Transaction:
type: object
required:
- timestamp
- fee
- gas_limit
- block_number
- status
- method
- confirmations
- type
- exchange_rate
- to
- transaction_burnt_fee
- max_fee_per_gas
- result
- hash
- gas_price
- priority_fee
- base_fee_per_gas
- from
- token_transfers
- transaction_types
- gas_used
- created_contract
- position
- nonce
- has_error_in_internal_transactions
- actions
- decoded_input
- token_transfers_overflow
- raw_input
- value
- max_priority_fee_per_gas
- revert_reason
- confirmation_duration
- transaction_tag
properties:
timestamp:
type: string
example: '2022-08-02T07:18:05.000000Z'
fee:
$ref: '#/components/schemas/Fee'
gas_limit:
type: integer
block_number:
type: integer
format: int32
example: 23484035
status:
type: string
example: ok | error
method:
type: string
example: transferFrom
confirmations:
type: integer
example: 1035
type:
type: integer
example: 2
exchange_rate:
type: string
example: '1866.51'
to:
nullable: true,
$ref: '#/components/schemas/AddressParam'
transaction_burnt_fee:
type: string
example: '1099596081903840'
max_fee_per_gas:
type: string
example: '55357460102'
result:
type: string
example: 'Error: (Awaiting internal transactions for reason)'
hash:
type: string
example: '0x5d90a9da2b8da402b11bc92c8011ec8a62a2d59da5c7ac4ae0f73ec51bb73368'
gas_price:
type: string
example: '26668595172'
priority_fee:
type: string
example: '2056916056308'
base_fee_per_gas:
type: string
example: '26618801760'
from:
$ref: '#/components/schemas/AddressParam'
token_transfers:
type: array
items:
$ref: '#/components/schemas/TokenTransfer'
transaction_types:
type: array
items:
type: string
example:
- token_transfer
- contract_creation
- contract_call
- token_creation
- coin_transfer
gas_used:
type: string
example: '41309'
created_contract:
nullable: true,
$ref: '#/components/schemas/AddressParam'
position:
type: integer
example: 117
nonce:
type: integer
example: 115
has_error_in_internal_transactions:
type: boolean
example: false
actions:
type: array
items:
$ref: '#/components/schemas/TransactionAction'
decoded_input:
$ref: '#/components/schemas/DecodedInput'
token_transfers_overflow:
type: boolean
example: false
raw_input:
type: string
example: '0xa9059cbb000000000000000000000000ef8801eaf234ff82801821ffe2d78d60a0237f97000000000000000000000000000000000000000000000000000000003178cb80'
value:
type: string
example: '0'
max_priority_fee_per_gas:
type: string
example: '49793412'
revert_reason:
type: string
example: 'Error: (Awaiting internal transactions for reason)'
confirmation_duration:
type: object
example:
- 0
- 17479
transaction_tag:
type: string
example: private_transaction_tag
NFTChangesArray:
type: array
items:
$ref: '#/components/schemas/NFTChange'
TotalERC20:
required:
- decimals
- value
properties:
decimals:
type: string
example: '18'
value:
type: string
example: '1000'
SummaryVariable:
type: object
required:
- type
- value
properties:
type:
type: string
example: string
description: Variable type
value:
type: string
example: Registered withdrawal of
description: Action Type
TransactionActionUniswapV3MintNFT:
required:
- data
- protocol
- type
properties:
data:
type: object
example:
name: 'Uniswap V3: Positions NFT'
symbol: UNI-V3-POS
address: '0x1F98431c8aD98523631AE4a59f267346ea31F984'
to: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9'
ids:
- '1'
- '2'
block_number: 1
protocol:
type: string
example: uniswap_v3
type:
type: string
example: mint_nft
TransactionActionAaveV3EnableDisableCollateral:
required:
- data
- protocol
- type
properties:
data:
type: object
example:
symbol: AAVE
address: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9'
block_number: 1
protocol:
type: string
example: aave_v3
type:
type: string
example: enable_collateral | disable_collateral
DecodedInputLogParameter:
type: object
required:
- name
- type
- value
- indexed
properties:
name:
type: string
example: signature
type:
type: string
example: bytes
value:
type: string
example: '0x0'
indexed:
type: boolean
NFTInstance:
required:
- is_unique
- id
- token
- owner
properties:
is_unique:
type: boolean
id:
type: string
example: '431'
holder_address_hash:
type: string
example: '0x394c399dbA25B99Ab7708EdB505d755B3aa29997'
image_url:
type: string
example: example.com/picture.png
animation_url:
type: string
example: example.com/video.mp4
external_app_url:
type: string
example: d-app.com
metadata:
type: object
example:
year: 2023
tags:
- poap
- event
name: 'Social Listening Committee #2 Attendees'
image_url: https://assets.poap.xyz/chanel-poap-4c-2023-logo-1675083420470.png
home_url: https://app.poap.xyz/token/6292128
external_url: https://api.poap.tech/metadata/99010/6292128
description: This is the POAP for attendees of the second Social Listening Committee.
attributes:
- value: 01-Feb-2023
trait_type: startDate
- value: 01-Feb-2023
trait_type: endDate
- value: 'false'
trait_type: virtualEvent
- value: Paris
trait_type: city
- value: France
trait_type: country
- value: https://www.chanel.com
trait_type: eventURL
owner:
$ref: '#/components/schemas/AddressParam'
token:
$ref: '#/components/schemas/TokenInfo'
TransactionAction:
oneOf:
- $ref: '#/components/schemas/TransactionActionAaveV3LiquidationCall'
- $ref: '#/components/schemas/TransactionActionAaveV3BSWRF'
- $ref: '#/components/schemas/TransactionActionAaveV3EnableDisableCollateral'
- $ref: '#/components/schemas/TransactionActionUniswapV3MintNFT'
- $ref: '#/components/schemas/TransactionActionUniswapV3BCS'
TransactionActionAaveV3BSWRF:
required:
- data
- protocol
- type
properties:
data:
type: object
example:
amount: '1.289548595490270429'
symbol: AAVE
address: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9'
block_number: 1
protocol:
type: string
example: aave_v3
type:
type: string
example: borrow | supply | withdraw | repay | flash_loan
SummaryTemplateVariables:
type: object
required:
- action_type
- amount
- token
properties:
action_type:
$ref: '#/components/schemas/SummaryVariable'
description: Action type
amount:
$ref: '#/components/schemas/SummaryVariableCurrency'
description: Amount
token:
$ref: '#/components/schemas/SummaryVariableToken'
description: Token info
SummaryVariableCurrency:
type: object
required:
- type
- value
properties:
type:
type: string
example: currency
description: Currency type
value:
type: string
example: '0.195999999980484004'
description: Value
RawTrace:
type: object
required:
- action
- subtraces
- traceAddress
- type
properties:
action:
oneOf:
- $ref: '#/components/schemas/RawTraceCallAction'
- $ref: '#/components/schemas/RawTraceCreateAction'
- $ref: '#/components/schemas/RawTraceSelfDestructAction'
subtraces:
type: integer
example: 0
traceAddress:
type: array
items:
type: integer
example:
- 0
- 0
type:
type: string
example: call
error:
type: string
example: Reverted
result:
oneOf:
- $ref: '#/components/schemas/RawTraceCallResult'
- $ref: '#/components/schemas/RawTraceCreateResult'
Fee:
type: object
required:
- type
- value
properties:
type:
type: string
example: maximum | actual
value:
type: string
example: '9853224000000000'
RawTraceSelfDestructAction:
type: object
required:
- address
- balance
- refundAddress
properties:
address:
type: string
example: '0xf57b55b01b831e602e09674a4e5d69cbcf343f98'
balance:
type: string
example: '0x25D3FC'
refundAddress:
type: string
example: '0x162e898bd0aacb578c8d5f8d6ca588c13d2a383f'
WatchlistName:
type: object
required:
- display_name
- label
properties:
display_name:
type: string
example: name to show
label:
type: string
example: label
TransactionActionAaveV3LiquidationCall:
required:
- data
- protocol
- type
properties:
data:
type: object
example:
debt_amount: '1.289548595490270429'
debt_symbol: AAVE
debt_address: '0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9'
collateral_amount: '110.824768'
collateral_symbol: USDC
collateral_address: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48'
block_number: 1
protocol:
type: string
example: aave_v3
type:
type: string
example: liquidation_call
StateChange:
required:
- address
- is_miner
- type
properties:
token:
$ref: '#/components/schemas/TokenInfo'
type:
type: string
example: coin | token
is_miner:
type: boolean
address:
$ref: '#/components/schemas/AddressParam'
balance_before:
type: string
example: '100000000'
balance_after:
type: string
example: '100000000'
token_id:
type: string
example: null
change:
oneOf:
- $ref: '#/components/schemas/NFTChangesArray'
- $ref: '#/components/schemas/ERC20Or1155OrCoinChange'
TokenInfoDetailed:
type: object
required:
- address
- circulating_market_cap
- decimals
- exchange_rate
- holders
- icon_url
- name
- symbol
- total_supply
- type
- volume_24h
properties:
address:
type: string
example: '0xBEEF69Ac7870777598A04B2bd4771c71212E6aBc'
description: Token Address
circulating_market_cap:
type: string
example: '0.0'
description: Token circulating market cap
decimals:
type: string
example: '18'
description: Token decimals
exchange_rate:
type: string
example: '2890.96'
description: Token exchange rate
holders:
type: string
example: '2999'
description: Token holders amount
icon_url:
type: string
example: https://assets.coingecko.com/coins/images/39410/small/Steakhouse_logo-05.jpg?1722053893
description: 'Token image URL '
name:
type: string
example: Steakhouse Resteaking Vault
description: Token name
symbol:
type: string
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# Full source: https://raw.githubusercontent.com/api-evangelist/b3/refs/heads/main/openapi/b3-blockscout-transactions-api-openapi.yml